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Matsunaga T, Fukuhara S, Sasaki M, Kato M. Successful resection of a sessile serrated lesion completely involving a colonic diverticulum by endoscopic submucosal dissection with water pressure method. Endoscopy 2024; 56:E10-E12. [PMID: 38194980 PMCID: PMC10776271 DOI: 10.1055/a-2218-3103] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/11/2024]
Affiliation(s)
- Takahiro Matsunaga
- Department of Gastroenterology and Hepatology, National Hospital Organization Tokyo Medical Center, Tokyo, Japan
| | - Seiichiro Fukuhara
- Department of Gastroenterology and Hepatology, National Hospital Organization Tokyo Medical Center, Tokyo, Japan
| | - Motoki Sasaki
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Motohiko Kato
- Center for Diagnostic and Therapeutic Endoscopy, Keio University School of Medicine, Tokyo, Japan
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Furube T, Takeuchi M, Kawakubo H, Maeda Y, Matsuda S, Fukuda K, Nakamura R, Kato M, Yahagi N, Kitagawa Y. Automated artificial intelligence-based phase-recognition system for esophageal endoscopic submucosal dissection (with video). Gastrointest Endosc 2024; 99:830-838. [PMID: 38185182 DOI: 10.1016/j.gie.2023.12.037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/15/2023] [Revised: 11/13/2023] [Accepted: 12/22/2023] [Indexed: 01/09/2024]
Abstract
BACKGROUND AND AIMS Endoscopic submucosal dissection (ESD) for superficial esophageal cancer is a multistep treatment involving several endoscopic processes. Although analyzing each phase separately is worthwhile, it is not realistic in practice owing to the need for considerable manpower. To solve this problem, we aimed to establish a state-of-the-art artificial intelligence (AI)-based system, specifically, an automated phase-recognition system that can automatically identify each endoscopic phase based on video images. METHODS Ninety-four videos of ESD procedures for superficial esophageal cancer were evaluated in this single-center study. A deep neural network-based phase-recognition system was developed in an automated manner to recognize each of the endoscopic phases. The system was trained with the use of videos that were annotated and verified by 2 GI endoscopists. RESULTS The overall accuracy of the AI model for automated phase recognition was 90%, and the average precision, recall, and F value rates were 91%, 90%, and 90%, respectively. Two representative ESD videos predicted by the model indicated the usability of AI in clinical practice. CONCLUSIONS We demonstrated that an AI-based automated phase-recognition system for esophageal ESD can be established with high accuracy. To the best of our knowledge, this is the first report on automated recognition of ESD treatment phases. Because this system enabled a detailed analysis of phases, collecting large volumes of data in the future may help to identify quality indicators for treatment techniques and uncover unmet medical needs that necessitate the creation of new treatment methods and devices.
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Affiliation(s)
- Tasuku Furube
- Department of Surgery, Keio University School of Medicine, Tokyo, Japan
| | - Masashi Takeuchi
- Department of Surgery, Keio University School of Medicine, Tokyo, Japan
| | - Hirofumi Kawakubo
- Department of Surgery, Keio University School of Medicine, Tokyo, Japan
| | - Yusuke Maeda
- Department of Surgery, Keio University School of Medicine, Tokyo, Japan
| | - Satoru Matsuda
- Department of Surgery, Keio University School of Medicine, Tokyo, Japan
| | - Kazumasa Fukuda
- Department of Surgery, Keio University School of Medicine, Tokyo, Japan
| | - Rieko Nakamura
- Department of Surgery, Keio University School of Medicine, Tokyo, Japan
| | - Motohiko Kato
- Center for Diagnostic and Therapeutic Endoscopy, Keio University School of Medicine, Tokyo, Japan
| | - Naohisa Yahagi
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Graduate School of Medicine, Keio University School of Medicine, Tokyo, Japan
| | - Yuko Kitagawa
- Department of Surgery, Keio University School of Medicine, Tokyo, Japan
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Kitagawa Y, Matsuda S, Gotoda T, Kato K, Wijnhoven B, Lordick F, Bhandari P, Kawakubo H, Kodera Y, Terashima M, Muro K, Takeuchi H, Mansfield PF, Kurokawa Y, So J, Mönig SP, Shitara K, Rha SY, Janjigian Y, Takahari D, Chau I, Sharma P, Ji J, de Manzoni G, Nilsson M, Kassab P, Hofstetter WL, Smyth EC, Lorenzen S, Doki Y, Law S, Oh DY, Ho KY, Koike T, Shen L, van Hillegersberg R, Kawakami H, Xu RH, Wainberg Z, Yahagi N, Lee YY, Singh R, Ryu MH, Ishihara R, Xiao Z, Kusano C, Grabsch HI, Hara H, Mukaisho KI, Makino T, Kanda M, Booka E, Suzuki S, Hatta W, Kato M, Maekawa A, Kawazoe A, Yamamoto S, Nakayama I, Narita Y, Yang HK, Yoshida M, Sano T. Clinical practice guidelines for esophagogastric junction cancer: Upper GI Oncology Summit 2023. Gastric Cancer 2024; 27:401-425. [PMID: 38386238 PMCID: PMC11016517 DOI: 10.1007/s10120-023-01457-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/21/2023] [Accepted: 12/09/2023] [Indexed: 02/23/2024]
Affiliation(s)
- Yuko Kitagawa
- Department of Surgery, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-Ku, Tokyo, 160-8582, Japan.
| | - Satoru Matsuda
- Department of Surgery, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-Ku, Tokyo, 160-8582, Japan
| | - Takuji Gotoda
- Department of Gastroenterology, Cancer Institute Hospital of Japanese Foundation for Cancer Research, Tokyo, Japan
| | - Ken Kato
- Department of Gastrointestinal Medical Oncology, National Cancer Center Hospital, Tokyo, Japan
- Department of Head and Neck, Esophageal Medical Oncology, National Cancer Center Hospital, Tokyo, Japan
| | - Bas Wijnhoven
- Department of Surgery, Erasmus University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Florian Lordick
- Department of Oncology and University Cancer Center Leipzig, Leipzig University Medical Center, Comprehensive Cancer Center Central, Leipzig, Jena, Germany
| | - Pradeep Bhandari
- Department of Gastroenterology, Portsmouth University Hospital NHS Trust, Portsmouth, UK
| | - Hirofumi Kawakubo
- Department of Surgery, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-Ku, Tokyo, 160-8582, Japan
| | - Yasuhiro Kodera
- Department of Gastroenterological Surgery, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | | | - Kei Muro
- Department of Clinical Oncology, Aichi Cancer Center Hospital, Nagoya, Japan
| | - Hiroya Takeuchi
- Department of Surgery, Hamamatsu University School of Medicine, Hamamatsu, Japan
| | - Paul F Mansfield
- Surgical Oncology, University of Texas, MD Anderson Cancer Center, Houston, USA
| | - Yukinori Kurokawa
- Department of Gastroenterological Surgery, Graduate School of Medicine, Osaka University, Suita, Japan
| | - Jimmy So
- Department of Surgery, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Stefan Paul Mönig
- Upper-GI-Surgery University Hospital of Geneva, Rue Gabrielle-Perret-Gentil 4, Geneva, Switzerland
| | - Kohei Shitara
- Department of Gastrointestinal Oncology, National Cancer Center Hospital East, Kashiwa, Japan
| | - Sun Young Rha
- Medical Oncology, Yonsei Cancer Center, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Yelena Janjigian
- Department of Medicine, Solid Tumor Gastrointestinal Oncology, Memorial Sloan Kettering Cancer Center, New York, USA
| | - Daisuke Takahari
- Gastroenterological Chemotherapy, Cancer Institute Hospital of Japanese Foundation for Cancer Research, Tokyo, Japan
| | - Ian Chau
- Department of Medicine, Royal Marsden Hospital, London, UK
| | - Prateek Sharma
- Division of Gastroenterology, School of Medicine and VA Medical Center, University of Kansas, Kansas, USA
| | - Jiafu Ji
- Department of Gastrointestinal Surgery, Peking University Cancer Hospital, Beijing, China
| | - Giovanni de Manzoni
- Department of Surgery, Dentistry, Maternity and Infant, University of Verona, Verona, Italy
| | - Magnus Nilsson
- Division of Surgery and Oncology, Department of Clinical Science, Intervention and Technology, Department of Upper Abdominal Diseases, Karolinska University Hospital, Stockholm, Sweden
| | - Paulo Kassab
- Gastroesophageal Surgery, Santa Casa of Sao Paulo Medical School, São Paulo, Brazil
| | - Wayne L Hofstetter
- Department of Thoracic and Cardiovascular Surgery, University of Texas, MD Anderson Cancer Center, Houston, USA
| | | | - Sylvie Lorenzen
- Department of Hematology and Oncology, Klinikum Rechts Der Isar Munich, Munich, Germany
| | - Yuichiro Doki
- Department of Gastroenterological Surgery, Graduate School of Medicine, Osaka University, Suita, Japan
| | - Simon Law
- Department of Surgery, School of Clinical Medicine, The University of Hong Kong, Hong Kong, China
| | - Do-Youn Oh
- Medical Oncology, Department of Internal Medicine, Seoul National University Hospital, Cancer Research Institute, Seoul National University College of Medicine, Integrated Major in Innovative Medical Science, Seoul National University Graduate School, Seoul, Republic of Korea
| | - Khek Yu Ho
- National University of Singapore, Singapore, Singapore
| | - Tomoyuki Koike
- Division of Gastroenterology, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Lin Shen
- Department of Gastrointestinal Oncology, Peking University Cancer Hospital, Beijing, China
| | - Richard van Hillegersberg
- Department of Upper Gastrointestinal Surgery, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Hisato Kawakami
- Department of Medical Oncology, Faculty of Medicine, Kindai University, Higashiosaka, Japan
| | - Rui-Hua Xu
- Department of Medical Oncology, Sun YAT-Sen University Cancer Center, Guangzhou, China
| | - Zev Wainberg
- Gastrointestinal Medical Oncology, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, USA
| | - Naohisa Yahagi
- Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Yeong Yeh Lee
- School of Medical Sciences, Universiti Sains Malaysia, Penang, Malaysia
| | - Rajvinder Singh
- Department of Gastroenterology, Lyell McEwin Hospital, Elizabeth Vale, Australia
| | - Min-Hee Ryu
- Department of Oncology, Asan Medical Center, University of Ulsan College of Medicine, Ulsan, South Korea
| | - Ryu Ishihara
- Gastrointestinal Oncology, Osaka International Cancer Institute, Osaka, Japan
| | - Zili Xiao
- Digestive Endoscopic Unit, Huadong Hospital Affiliated to Fudan University, Shanghai, China
| | - Chika Kusano
- Department of Gastroenterology, Kitasato University School of Medicine, Sagamihara, Japan
| | - Heike Irmgard Grabsch
- Department of Pathology, GROW School for Oncology and Reproduction, Maastricht University Medical Center+, Maastricht, The Netherlands
- Pathology & Data Analytics, Leeds Institute of Medical Research at St. James's, University of Leeds, Leeds, UK
| | - Hiroki Hara
- Gastroenterology, Saitama Cancer Center, Saitama, Japan
| | - Ken-Ichi Mukaisho
- Education Center for Medicine and Nursing, Shiga University of Medical Science, Otsu, Japan
| | - Tomoki Makino
- Department of Gastroenterological Surgery, Graduate School of Medicine, Osaka University, Suita, Japan
| | - Mitsuro Kanda
- Department of Gastroenterological Surgery, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Eisuke Booka
- Department of Surgery, Hamamatsu University School of Medicine, Hamamatsu, Japan
| | - Sho Suzuki
- Department of Gastroenterology, International University of Health and Welfare Ichikawa Hospital, Ichikawa, Japan
| | - Waku Hatta
- Division of Gastroenterology, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Motohiko Kato
- Center for Diagnostic and Therapeutic Endoscopy, Keio University School of Medicine, Tokyo, Japan
| | - Akira Maekawa
- Department of Gastroenterology, Osaka Police Hospital, Osaka, Japan
| | - Akihito Kawazoe
- Department of Gastrointestinal Oncology, National Cancer Center Hospital East, Kashiwa, Japan
| | - Shun Yamamoto
- Department of Gastrointestinal Medical Oncology, National Cancer Center Hospital, Tokyo, Japan
- Department of Head and Neck, Esophageal Medical Oncology, National Cancer Center Hospital, Tokyo, Japan
| | - Izuma Nakayama
- Gastroenterological Chemotherapy, Cancer Institute Hospital of Japanese Foundation for Cancer Research, Tokyo, Japan
| | - Yukiya Narita
- Department of Clinical Oncology, Aichi Cancer Center Hospital, Nagoya, Japan
| | - Han-Kwang Yang
- Department of Surgery, Seoul National University, Seoul, Republic of Korea
| | - Masahiro Yoshida
- Department of Hepato-Biliary-Pancreatic and Gastrointestinal Surgery, School of Medicine, International University of Health and Welfare, Otawara, Japan
| | - Takeshi Sano
- Gastroenterological Surgery, Cancer Institute Hospital of Japanese Foundation for Cancer Research, Tokyo, Japan
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Kubo T, Sunami K, Koyama T, Kitami M, Fujiwara Y, Kondo S, Yonemori K, Noguchi E, Morizane C, Goto Y, Maejima A, Iwasa S, Hamaguchi T, Kawai A, Namikawa K, Arakawa A, Sugiyama M, Ohno M, Yoshida T, Hiraoka N, Yoshida A, Yoshida M, Nishino T, Furukawa E, Narushima D, Nagai M, Kato M, Ichikawa H, Fujiwara Y, Kohno T, Yamamoto N. The impact of rare cancer and early-line treatments on the benefit of comprehensive genome profiling-based precision oncology. ESMO Open 2024; 9:102981. [PMID: 38613908 PMCID: PMC11033064 DOI: 10.1016/j.esmoop.2024.102981] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2023] [Revised: 03/04/2024] [Accepted: 03/04/2024] [Indexed: 04/15/2024] Open
Abstract
BACKGROUND Comprehensive genome profiling (CGP) serves as a guide for suitable genomically matched therapies for patients with cancer. However, little is known about the impact of the timing and types of cancer on the therapeutic benefit of CGP. MATERIALS AND METHODS A single hospital-based pan-cancer prospective study (TOP-GEAR; UMIN000011141) was conducted to examine the benefit of CGP with respect to the timing and types of cancer. Patients with advanced solid tumors (>30 types) who either progressed with or without standard treatments were genotyped using a single CGP test. The subjects were followed up for a median duration of 590 days to examine therapeutic response, using progression-free survival (PFS), PFS ratio, and factors associated with therapeutic response. RESULTS Among the 507 patients, 62 (12.2%) received matched therapies with an overall response rate (ORR) of 32.3%. The PFS ratios (≥1.3) were observed in 46.3% (19/41) of the evaluated patients. The proportion of subjects receiving such therapies in the rare cancer cohort was lower than that in the non-rare cancer cohort (9.6% and 17.4%, respectively; P = 0.010). However, ORR of the rare cancer patients was higher than that in the non-rare cancer cohort (43.8% and 20.0%, respectively; P = 0.046). Moreover, ORR of matched therapies in the first or second line after receiving the CGP test was higher than that in the third or later lines (62.5% and 21.7%, respectively; P = 0.003). Rare cancer and early-line treatment were significantly and independently associated with ORR of matched therapies in multivariable analysis (P = 0.017 and 0.004, respectively). CONCLUSION Patients with rare cancer preferentially benefited from tumor mutation profiling by increasing the chances of therapeutic response to matched therapies. Early-line treatments after profiling increase the therapeutic benefit, irrespective of tumor types.
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Affiliation(s)
- T Kubo
- Department of Laboratory Medicine, National Cancer Center Hospital, Tokyo; Department of Clinical Genomics, National Cancer Center Research Institute, Tokyo
| | - K Sunami
- Department of Laboratory Medicine, National Cancer Center Hospital, Tokyo; Division of Genome Biology, National Cancer Center Research Institute, Tokyo
| | - T Koyama
- Department of Experimental Therapeutics, National Cancer Center Hospital, Tokyo
| | - M Kitami
- Department of Laboratory Medicine, National Cancer Center Hospital, Tokyo
| | - Y Fujiwara
- Department of Thoracic Oncology, National Cancer Center Hospital, Tokyo; Department of Thoracic Oncology, Aichi Cancer Center Hospital, Aichi
| | - S Kondo
- Department of Experimental Therapeutics, National Cancer Center Hospital, Tokyo; Department of Hepatobiliary and Pancreatic Oncology, National Cancer Center Hospital, Tokyo
| | - K Yonemori
- Department of Experimental Therapeutics, National Cancer Center Hospital, Tokyo; Department of Medical Oncology, National Cancer Center Hospital, Tokyo
| | - E Noguchi
- Department of Medical Oncology, National Cancer Center Hospital, Tokyo
| | - C Morizane
- Department of Hepatobiliary and Pancreatic Oncology, National Cancer Center Hospital, Tokyo
| | - Y Goto
- Department of Thoracic Oncology, National Cancer Center Hospital, Tokyo
| | - A Maejima
- Department of Medical Oncology, National Cancer Center Hospital, Tokyo; Department of Urology, National Cancer Center Hospital, Tokyo
| | - S Iwasa
- Department of Experimental Therapeutics, National Cancer Center Hospital, Tokyo; Department of Gastrointestinal Medical Oncology, National Cancer Center Hospital, Tokyo
| | - T Hamaguchi
- Department of Medical Oncology, Saitama Medical University International Medical Center, Saitama
| | - A Kawai
- Department of Musculoskeletal Oncology and Rehabilitation, National Cancer Center Hospital, Tokyo
| | - K Namikawa
- Department of Dermatologic Oncology, National Cancer Center Hospital, Tokyo
| | - A Arakawa
- Department of Pediatric Oncology, National Cancer Center Hospital, Tokyo
| | - M Sugiyama
- Department of Pediatric Oncology, National Cancer Center Hospital, Tokyo
| | - M Ohno
- Department of Neurosurgery and Neuro-Oncology, National Cancer Center Hospital, Tokyo
| | - T Yoshida
- Department of Genetic Services and Medicine, National Cancer Center Hospital, Tokyo
| | - N Hiraoka
- Department of Diagnostic Pathology, National Cancer Center Hospital, Tokyo
| | - A Yoshida
- Department of Diagnostic Pathology, National Cancer Center Hospital, Tokyo
| | - M Yoshida
- Department of Diagnostic Pathology, National Cancer Center Hospital, Tokyo
| | - T Nishino
- Department of Laboratory Medicine, National Cancer Center Hospital, Tokyo
| | - E Furukawa
- Division of Bioinformatics, National Cancer Center Research Institute, Tokyo
| | - D Narushima
- Division of Bioinformatics, National Cancer Center Research Institute, Tokyo
| | - M Nagai
- Division of Bioinformatics, National Cancer Center Research Institute, Tokyo
| | - M Kato
- Division of Bioinformatics, National Cancer Center Research Institute, Tokyo
| | - H Ichikawa
- Department of Clinical Genomics, National Cancer Center Research Institute, Tokyo; Division of Translational Genomics, National Cancer Center Exploratory Oncology Research & Clinical Trial Center, Tokyo, Japan
| | - Y Fujiwara
- Department of Medical Oncology, National Cancer Center Hospital, Tokyo
| | - T Kohno
- Division of Genome Biology, National Cancer Center Research Institute, Tokyo; Division of Translational Genomics, National Cancer Center Exploratory Oncology Research & Clinical Trial Center, Tokyo, Japan
| | - N Yamamoto
- Department of Experimental Therapeutics, National Cancer Center Hospital, Tokyo.
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5
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Tojo A, Sujino T, Hayashi Y, Kamiya KJLL, Sato M, Hinako S, Yoshimatsu Y, Kinoshita S, Kiyohara H, Mikami Y, Takabayashi K, Kato M, Ogata H, Kanai T, Hosoe N. Video capsule endoscopy in overt and occult obscure gastrointestinal bleeding: Insights from a single-center, observational study in Japan. DEN Open 2024; 4:e354. [PMID: 38567032 PMCID: PMC10985219 DOI: 10.1002/deo2.354] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/08/2023] [Revised: 02/15/2024] [Accepted: 03/08/2024] [Indexed: 04/04/2024]
Abstract
Objective This study aimed to evaluate the use of video capsule endoscopy (VCE) in patients with obscure gastrointestinal bleeding (OGIB), compare cases of overt and occult OGIB, assess the rates of balloon-assisted enteroscopy (BAE) interventions and rebleeding, and identify predictive markers of positive VCE findings. Methods Medical records of 430 patients who underwent VCE for OGIB between 2004 and 2022 were analyzed. Occult OGIB was defined as IDA or positive fecal occult blood, whereas overt OGIB was defined as clinically imperceptible bleeding. We retrospectively analyzed demographics, VCE findings based on Saurin classification (P0, P1, and P2), outcome of BAE interventions, and rebleeding rates. Results A total of 253 patients with overt OGIB and 177 with occult OGIB were included. P1 findings were predominant in both groups, with a similar distribution. The percentage of patients receiving conservative therapy was higher in P1 than in P2 for both overt and occult OGIB. BAE was more frequently performed in P2 than in P1 VCE (83.0% vs. 35.3% in overt OGIB, 84.4% vs. 24.4% in occult OGIB). The percentage of positive findings and intervention in total BAE performed patients were comparable in P1 and P2 of overt OGIB, whereas these percentages in P2 were more than P1 of occult OGIB. Conclusion VCE effectively identified OGIB lesions requiring intervention, particularly occult OGIB lesions, potentially reducing unnecessary BAE. Rebleeding rates varied according to the VCE findings, emphasizing the importance of follow-up in high-risk patients.
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Affiliation(s)
- Anna Tojo
- Division of Gastroenterology and HepatologyDepartment of Internal MedicineSchool of MedicineKeio UniversityTokyoJapan
- Center for Diagnostic and Therapeutic EndoscopySchool of MedicineKeio UniversityTokyoJapan
| | - Tomohisa Sujino
- Center for Diagnostic and Therapeutic EndoscopySchool of MedicineKeio UniversityTokyoJapan
| | - Yukie Hayashi
- Division of Gastroenterology and HepatologyDepartment of Internal MedicineSchool of MedicineKeio UniversityTokyoJapan
- Center for Diagnostic and Therapeutic EndoscopySchool of MedicineKeio UniversityTokyoJapan
| | - Kenji J L Limpias Kamiya
- Division of Gastroenterology and HepatologyDepartment of Internal MedicineSchool of MedicineKeio UniversityTokyoJapan
| | - Moe Sato
- Division of Gastroenterology and HepatologyDepartment of Internal MedicineSchool of MedicineKeio UniversityTokyoJapan
- Center for Diagnostic and Therapeutic EndoscopySchool of MedicineKeio UniversityTokyoJapan
| | - Sakurai Hinako
- Division of Gastroenterology and HepatologyDepartment of Internal MedicineSchool of MedicineKeio UniversityTokyoJapan
- Center for Diagnostic and Therapeutic EndoscopySchool of MedicineKeio UniversityTokyoJapan
| | - Yusuke Yoshimatsu
- Division of Gastroenterology and HepatologyDepartment of Internal MedicineSchool of MedicineKeio UniversityTokyoJapan
| | | | - Hiroki Kiyohara
- Division of Gastroenterology and HepatologyDepartment of Internal MedicineSchool of MedicineKeio UniversityTokyoJapan
| | - Yohei Mikami
- Division of Gastroenterology and HepatologyDepartment of Internal MedicineSchool of MedicineKeio UniversityTokyoJapan
| | - Kaoru Takabayashi
- Center for Diagnostic and Therapeutic EndoscopySchool of MedicineKeio UniversityTokyoJapan
| | - Motohiko Kato
- Center for Diagnostic and Therapeutic EndoscopySchool of MedicineKeio UniversityTokyoJapan
| | - Haruhiko Ogata
- Center for Diagnostic and Therapeutic EndoscopySchool of MedicineKeio UniversityTokyoJapan
| | - Takanori Kanai
- Division of Gastroenterology and HepatologyDepartment of Internal MedicineSchool of MedicineKeio UniversityTokyoJapan
| | - Naoki Hosoe
- Center for Diagnostic and Therapeutic EndoscopySchool of MedicineKeio UniversityTokyoJapan
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Takabayashi K, Kato M, Kanai T. Clinical usefulness of image-enhanced endoscopy for the diagnosis of ulcerative colitis-associated neoplasia. DEN Open 2024; 4:e325. [PMID: 38188357 PMCID: PMC10771229 DOI: 10.1002/deo2.325] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Accepted: 12/06/2023] [Indexed: 01/09/2024]
Abstract
Patients with a long history of ulcerative colitis (UC) are at risk of developing a significant complication known as UC-associated neoplasia (UCAN). To reduce the risk of UCAN and the associated mortality, the current guidelines recommend initiating surveillance colonoscopy 8-10 years after confirmation of UC diagnosis. In recent years, advancements in endoscopic diagnostic technologies, including magnifying and image-enhancing techniques, have allowed for the production of high-contrast images that emphasize mucosal structures, vascular patterns, and color tones. Recently, image-enhanced endoscopy technologies have become available and offer the potential to improve the qualitative endoscopic assessment of UCAN. The use of high-definition chromoendoscopy enables the evaluation of subtle mucosal patterns in the colon. Magnifying narrow-band imaging facilitates the visualization of mucosal vascular structures. Texture and color enhancement imaging processes structure, color tone, and brightness aspects more appropriately, whereas linked color imaging optimizes the emphasis on mucosal and vascular redness. Both techniques are expected to excel in the depiction of subtle color variations and mucosal changes characteristic of UCAN. This article provides an overview of the current status and future challenges regarding the use of various image-enhanced endoscopy techniques in the diagnosis of UCAN.
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Affiliation(s)
- Kaoru Takabayashi
- Center for Diagnostic and Therapeutic Endoscopy, Keio University School of MedicineTokyoJapan
| | - Motohiko Kato
- Center for Diagnostic and Therapeutic Endoscopy, Keio University School of MedicineTokyoJapan
| | - Takanori Kanai
- Department of Internal MedicineDivision of Gastroenterology and HepatologyKeio University School of MedicineTokyoJapan
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7
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Nose Y, Kato M, Aoyagi S, Akeo K, Yamashita K, Saito T, Tanaka K, Yamamoto K, Makino T, Takahashi T, Kurokawa Y, Eguchi H, Doki Y, Nakajima K. Use of current automatic smoke evacuation system in flexible gastrointestinal endoscopy: Its feasibility and potential usefulness. DEN Open 2024; 4:e367. [PMID: 38605997 PMCID: PMC11007223 DOI: 10.1002/deo2.367] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/25/2024] [Revised: 03/28/2024] [Accepted: 04/02/2024] [Indexed: 04/13/2024]
Abstract
Objectives Flexible endoscopy does not have a system that can automatically evacuate surgical smoke generated in the gastrointestinal lumen. We aimed to investigate the feasibility and potential usefulness of automatic smoke evacuation systems in flexible endoscopy. Methods [Bench] After surgical smoke generated in the stomach was evacuated by the evacuator, the degree of residual smoke and gastric luminal collapse were evaluated to optimize the evacuator settings. [Animal] Insufflation, suction, and total operation time to complete the protocol of 10 cauterizations of the gastric mucosa were measured in three groups: "manual suction only," "manual suction with automatic evacuation (50% force)," and "manual suction with automatic evacuation (70% force)." The stability of endoscopic visualization and operability was evaluated by 10 endoscopists blinded to those suction settings, and the number of manual suctions, insufflations, and total operation time were measured. Results [Bench] The degree of residual smoke and gastric luminal collapse were inversely correlated. [Animal] When the automatic evacuator was partially used, there was no difference in the insufflation time, but the suction time (vs 50%; p = 0.011, vs. 70%; p = 0.011) and total operation time (vs. 50%; p = 0.012, vs. 70%; p = 0.036) were significantly reduced compared to manual operation only. Furthermore, manual suction with automatic evacuation (50% force) significantly improved the stability of endoscopic visualization and operability compared to manual operation only (p = 0.041, p = 0.0085). Conclusions The automatic smoke evacuation in flexible gastrointestinal endoscopy was potentially feasible and useful by improving the device setting.
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Affiliation(s)
- Yohei Nose
- Department of Next Generation Endoscopic Intervention (Project ENGINE)Graduate School of Medicine, Osaka UniversityOsakaJapan
- Department of Gastroenterological SurgeryGraduate School of Medicine Osaka UniversityOsakaJapan
| | - Motohiko Kato
- Center for Diagnostic and Therapeutic EndoscopyKeio University School of MedicineTokyoJapan
| | | | | | - Kotaro Yamashita
- Department of Gastroenterological SurgeryGraduate School of Medicine Osaka UniversityOsakaJapan
| | - Takuro Saito
- Department of Gastroenterological SurgeryGraduate School of Medicine Osaka UniversityOsakaJapan
| | - Koji Tanaka
- Department of Gastroenterological SurgeryGraduate School of Medicine Osaka UniversityOsakaJapan
| | - Kazuyoshi Yamamoto
- Department of Gastroenterological SurgeryGraduate School of Medicine Osaka UniversityOsakaJapan
| | - Tomoki Makino
- Department of Gastroenterological SurgeryGraduate School of Medicine Osaka UniversityOsakaJapan
| | - Tsuyoshi Takahashi
- Department of Gastroenterological SurgeryGraduate School of Medicine Osaka UniversityOsakaJapan
| | - Yukinori Kurokawa
- Department of Gastroenterological SurgeryGraduate School of Medicine Osaka UniversityOsakaJapan
| | - Hidetoshi Eguchi
- Department of Gastroenterological SurgeryGraduate School of Medicine Osaka UniversityOsakaJapan
| | - Yuichiro Doki
- Department of Gastroenterological SurgeryGraduate School of Medicine Osaka UniversityOsakaJapan
| | - Kiyokazu Nakajima
- Department of Next Generation Endoscopic Intervention (Project ENGINE)Graduate School of Medicine, Osaka UniversityOsakaJapan
- Department of Gastroenterological SurgeryGraduate School of Medicine Osaka UniversityOsakaJapan
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8
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Takabayashi K, Sugimoto S, Nanki K, Yoshimatsu Y, Kiyohara H, Mikami Y, Sujino T, Kato M, Hosoe N, Shimoda M, Yahagi N, Ogata H, Iwao Y, Kanai T. Characteristics of flat-type ulcerative colitis-associated neoplasia on chromoendoscopic imaging with indigo carmine dye spraying. Dig Endosc 2024; 36:446-454. [PMID: 37389858 DOI: 10.1111/den.14628] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/15/2023] [Accepted: 06/27/2023] [Indexed: 07/01/2023]
Abstract
OBJECTIVES Despite recent advances in endoscopic equipment and diagnostic techniques, early detection of ulcerative colitis-associated neoplasia (UCAN) remains difficult because of the complex background of the inflamed mucosa of ulcerative colitis and the morphologic diversity of the lesions. We aimed to describe the main diagnostic patterns for UCAN in our cohort, including lateral extension surrounding flat lesions. METHODS Sixty-three lesions in 61 patients with flat-type dysplasia that were imaged with dye chromoendoscopy (DCE) were included in this analysis. These DCE images were analyzed to clarify the dye-chromoendoscopic imaging characteristics of flat dysplasia, and the lesions were broadly classified into dysplastic and nondysplastic mucosal patterns. RESULTS Dysplastic mucosal patterns were classified into two types: small round patterns with round to roundish structures, and mesh patterns with intricate mesh-like structures. Lesions with a nondysplastic mucosal pattern were divided into two major types: a ripple-like type and a gyrus-like type. Of note, 35 lesions (55.6%) had a small round pattern, and 51 lesions (80.9%) had some type of mesh pattern. About 70% of lesions with small round patterns and 49% of lesions with mesh patterns were diagnosed as high-grade dysplasia or carcinoma, while about 30% of lesions with small round patterns and 51% of lesions with mesh patterns were diagnosed as low-grade dysplasia. CONCLUSION When a characteristic mucosal pattern, such as a small round or mesh pattern, is found by DCE, the possibility of UCAN should be considered.
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Affiliation(s)
- Kaoru Takabayashi
- Center for Diagnostic and Therapeutic Endoscopy, Keio University School of Medicine, Tokyo, Japan
| | - Shinya Sugimoto
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan
| | - Kosaku Nanki
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan
| | - Yusuke Yoshimatsu
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan
| | - Hiroki Kiyohara
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan
| | - Yohei Mikami
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan
| | - Tomohisa Sujino
- Center for Diagnostic and Therapeutic Endoscopy, Keio University School of Medicine, Tokyo, Japan
| | - Motohiko Kato
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Naoki Hosoe
- Center for Diagnostic and Therapeutic Endoscopy, Keio University School of Medicine, Tokyo, Japan
| | - Masayuki Shimoda
- Department of Pathology, Keio University School of Medicine, Tokyo, Japan
| | - Naohisa Yahagi
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Haruhiko Ogata
- Center for Diagnostic and Therapeutic Endoscopy, Keio University School of Medicine, Tokyo, Japan
| | - Yasushi Iwao
- Center for Preventive Medicine, Keio University School of Medicine, Tokyo, Japan
| | - Takanori Kanai
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan
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9
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Shimada F, Yoshimatsu Y, Sujino T, Fukuda T, Aoki Y, Hayashi Y, Tojo A, Kawaguchi T, Kiyohara H, Sugimoto S, Nanki K, Mikami Y, Miyamoto K, Takabayashi K, Hosoe N, Kato M, Ogata H, Naganuma M, Kanai T. Clinical outcomes of patients with remitting ulcerative colitis after discontinuation of indigo naturalis. Sci Rep 2024; 14:5778. [PMID: 38459203 PMCID: PMC10923923 DOI: 10.1038/s41598-024-56543-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2023] [Accepted: 03/07/2024] [Indexed: 03/10/2024] Open
Abstract
Indigo naturalis is an effective treatment for ulcerative colitis. However, long-term use of indigo naturalis causes adverse events, such as pulmonary hypertension. The natural history of patients with ulcerative colitis who discontinued indigo naturalis after induction therapy is unknown. Moreover, the clinical features of patients who relapsed within 52 weeks after the discontinuation of indigo naturalis are unclear. This study aimed to assess the clinical outcomes of patients with ulcerative colitis after discontinuation of indigo naturalis and to identify potential markers responsible for relapse. This single-center retrospective study investigated the follow-up of 72 patients who achieved a clinical response 8 weeks after indigo naturalis treatment. We observed relapse in patients with ulcerative colitis after the discontinuation of indigo naturalis. We analyzed the factors predicting long-term outcomes after discontinuation of indigo naturalis. Relapse was observed in 24%, 57%, and 71% of patients at 8, 26, and 52 weeks, respectively. There were no predictive markers in patients who relapsed within 52 weeks after the discontinuation of indigo naturalis. The ulcerative colitis relapse rate after indigo naturalis discontinuation was high. Follow-up treatment is required after the discontinuation of indigo naturalis in patients with ulcerative colitis.
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Affiliation(s)
- Fumie Shimada
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo, 160-8582, Japan
| | - Yusuke Yoshimatsu
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo, 160-8582, Japan
| | - Tomohisa Sujino
- Center for Diagnostic and Therapeutic Endoscopy, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo, 160-8582, Japan.
| | - Tomohiro Fukuda
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo, 160-8582, Japan
- Division of Gastroenterology, Yokohama Municipal Citizen's Hospital, 1-1, Nishimachi, Mitsuzawa, Kanagawaku, Yokohama, Kanagawa, 221-0855, Japan
| | - Yasuhiro Aoki
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo, 160-8582, Japan
| | - Yukie Hayashi
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo, 160-8582, Japan
- Center for Diagnostic and Therapeutic Endoscopy, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo, 160-8582, Japan
| | - Anna Tojo
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo, 160-8582, Japan
- Center for Diagnostic and Therapeutic Endoscopy, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo, 160-8582, Japan
| | - Takaaki Kawaguchi
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo, 160-8582, Japan
| | - Hiroki Kiyohara
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo, 160-8582, Japan
| | - Shinya Sugimoto
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo, 160-8582, Japan
| | - Kosaku Nanki
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo, 160-8582, Japan
| | - Yohei Mikami
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo, 160-8582, Japan
| | - Kentaro Miyamoto
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo, 160-8582, Japan
- Miyarisan Pharmaceutical Co., Ltd., 1-10-3, Kaminakazato, Kita-ku, Tokyo, 114-0016, Japan
| | - Kaoru Takabayashi
- Center for Diagnostic and Therapeutic Endoscopy, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo, 160-8582, Japan
| | - Naoki Hosoe
- Center for Diagnostic and Therapeutic Endoscopy, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo, 160-8582, Japan
| | - Motohiko Kato
- Center for Diagnostic and Therapeutic Endoscopy, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo, 160-8582, Japan
| | - Haruhiko Ogata
- Center for Diagnostic and Therapeutic Endoscopy, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo, 160-8582, Japan
| | - Makoto Naganuma
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo, 160-8582, Japan
- Department of Gastroenterology and Hepatology, Kansai Medical University, 2-3-1, Shinmachi, Maikatashi, Osaka, 573-1191, Japan
| | - Takanori Kanai
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo, 160-8582, Japan.
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10
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Masunaga T, Yahagi N, Kato M. Layered closure by endoscopic hand suturing involving the muscle layer for large defect after gastric endoscopic submucosal dissection. Dig Endosc 2024; 36:384-385. [PMID: 38205670 DOI: 10.1111/den.14748] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Accepted: 12/18/2023] [Indexed: 01/12/2024]
Abstract
Watch a video of this article.
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Affiliation(s)
- Teppei Masunaga
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Naohisa Yahagi
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Motohiko Kato
- Center for Diagnostic and Therapeutic Endoscopy, Keio University School of Medicine, Tokyo, Japan
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11
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Miyazaki K, Nakayama A, Sasaki M, Minezaki D, Morioka K, Iwata K, Masunaga T, Kubosawa Y, Mizutani M, Hayashi Y, Kiguchi Y, Akimoto T, Takatori Y, Kawasaki S, Matsuura N, Sujino T, Takabayashi K, Yamanoi K, Mori K, Kanai T, Yahagi N, Kato M. Resectability of Small Duodenal Tumors: A Randomized Controlled Trial Comparing Underwater Endoscopic Mucosal Resection and Cold Snare Polypectomy. Am J Gastroenterol 2024:00000434-990000000-00965. [PMID: 38131610 DOI: 10.14309/ajg.0000000000002634] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/20/2023] [Accepted: 11/10/2023] [Indexed: 12/23/2023]
Abstract
INTRODUCTION Underwater endoscopic mucosal resection (UEMR) and cold snare polypectomy (CSP) are novel endoscopic procedures for superficial nonampullary duodenal epithelial tumors (SNADET). However, consensus on how to use both procedures appropriately has not been established. In this study, we evaluated treatment outcomes of both procedures, including resectability. METHODS In this single-center randomized controlled study conducted between January 2020 and June 2022, patients with SNADET ≤12 mm were randomly allocated to UEMR and CSP groups. The primary end point was sufficient vertical R0 resection (SVR0), which was defined as R0 resection including a sufficient submucosal layer. We compared treatment outcomes including SVR0 rate between groups. RESULTS The SVR0 rate was significantly higher in the UEMR group than in the CSP group (65.6% vs 41.5%, P = 0.01). By contrast, the R0 resection rate was not significantly different between study groups (70.3% vs 61.5%, P = 0.29). The submucosal layer thickness was significantly greater in the UEMR group than in the CSP group (median 546 [range, 309-833] μm vs 69 [0-295] μm, P < 0.01). CSP had a shorter total procedure time (median 12 [range, 8-16] min vs 1 [1-3] min, P < 0.01) and fewer total bleeding events (9.4% vs 1.5%, P = 0.06). DISCUSSION UEMR has superior vertical resectability compared with CSP, but CSP has a shorter procedure time and fewer bleeding events. Although CSP is preferable for most small SNADET, UEMR should be selected for lesions that cannot be definitively diagnosed as mucosal low-grade neoplasias.
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Affiliation(s)
- Kurato Miyazaki
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Atsushi Nakayama
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Motoki Sasaki
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Daisuke Minezaki
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Kohei Morioka
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Kentaro Iwata
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Teppei Masunaga
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Yoko Kubosawa
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Mari Mizutani
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Yukie Hayashi
- Center for Preventive Medicine, Keio University School of Medicine, Tokyo, Japan
| | - Yoshiyuki Kiguchi
- Preventive Medical Plaza, Kurashiki Central Hospital, Okayama, Japan
| | - Teppei Akimoto
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Yusaku Takatori
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Shintaro Kawasaki
- Center for Diagnostic and Therapeutic Endoscopy, Keio University School of Medicine, Tokyo, Japan
| | - Noriko Matsuura
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Tomohisa Sujino
- Center for Diagnostic and Therapeutic Endoscopy, Keio University School of Medicine, Tokyo, Japan
| | - Kaoru Takabayashi
- Center for Diagnostic and Therapeutic Endoscopy, Keio University School of Medicine, Tokyo, Japan
| | - Kazuhiro Yamanoi
- Division of Pathology and Diagnosis, Keio University School of Medicine, Tokyo, Japan
| | - Keita Mori
- Department of Biostatistics, Clinical Research Support Center, Shizuoka Cancer Center, Shizuoka, Japan
| | - Takanori Kanai
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan
| | - Naohisa Yahagi
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Motohiko Kato
- Center for Diagnostic and Therapeutic Endoscopy, Keio University School of Medicine, Tokyo, Japan
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12
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Nakayama A, Kato M, Matsuura N, Yahagi N. Endoscopic Diagnosis of Superficial Gastrointestinal Cancer. Gastrointest Endosc Clin N Am 2024; 34:1-17. [PMID: 37973222 DOI: 10.1016/j.giec.2023.08.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2023]
Abstract
White light image (WLI) findings are important for detection and characterization in the GI tract. However, magnified endoscopic examination with image enhanced endoscopy (IEE-NE) is becoming increasingly important for qualitative diagnosis of GI neoplastic lesions. IEE-ME is extremely useful for diagnosis of invasion depth in esophageal squamous cell cancer (ESCC) and colorectal cancer, whereas macroscopic findings of WLI are still useful in Barrett's adenocarcinoma (BAC) and gastric cancer. IEE-ME is also useful for diagnosis of tumor extent in BAC and gastric cancer, whereas chromoendoscopy with indigo carmine is useful in colorectal cancer and iodine staining is indispensable in ESCC.
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Affiliation(s)
- Atsushi Nakayama
- Department of Research and Development for Minimal Invasive Treatment, Cancer Center, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo 160-8582, Japan
| | - Motohiko Kato
- Center for Diagnostic and Therapeutic Endoscopy, Keio University Hospital, 35 Shinanomachi, Shinjuku-ku, Tokyo 160-8582, Japan
| | - Noriko Matsuura
- Department of Research and Development for Minimal Invasive Treatment, Cancer Center, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo 160-8582, Japan
| | - Naohisa Yahagi
- Department of Research and Development for Minimal Invasive Treatment, Cancer Center, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo 160-8582, Japan.
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13
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Staplin N, Haynes R, Judge PK, Wanner C, Green JB, Emberson J, Preiss D, Mayne KJ, Ng SYA, Sammons E, Zhu D, Hill M, Stevens W, Wallendszus K, Brenner S, Cheung AK, Liu ZH, Li J, Hooi LS, Liu WJ, Kadowaki T, Nangaku M, Levin A, Cherney D, Maggioni AP, Pontremoli R, Deo R, Goto S, Rossello X, Tuttle KR, Steubl D, Petrini M, Seidi S, Landray MJ, Baigent C, Herrington WG, Abat S, Abd Rahman R, Abdul Cader R, Abdul Hafidz MI, Abdul Wahab MZ, Abdullah NK, Abdul-Samad T, Abe M, Abraham N, Acheampong S, Achiri P, Acosta JA, Adeleke A, Adell V, Adewuyi-Dalton R, Adnan N, Africano A, Agharazii M, Aguilar F, Aguilera A, Ahmad M, Ahmad MK, Ahmad NA, Ahmad NH, Ahmad NI, Ahmad Miswan N, Ahmad Rosdi H, Ahmed I, Ahmed S, Ahmed S, Aiello J, Aitken A, AitSadi R, Aker S, Akimoto S, Akinfolarin A, Akram S, Alberici F, Albert C, Aldrich L, Alegata M, Alexander L, Alfaress S, Alhadj Ali M, Ali A, Ali A, Alicic R, Aliu A, Almaraz R, Almasarwah R, Almeida J, Aloisi A, Al-Rabadi L, Alscher D, Alvarez P, Al-Zeer B, Amat M, Ambrose C, Ammar H, An Y, Andriaccio L, Ansu K, Apostolidi A, Arai N, Araki H, Araki S, Arbi A, Arechiga O, Armstrong S, Arnold T, Aronoff S, Arriaga W, Arroyo J, Arteaga D, Asahara S, Asai A, Asai N, Asano S, Asawa M, Asmee MF, Aucella F, Augustin M, Avery A, Awad A, Awang IY, Awazawa M, Axler A, Ayub W, Azhari Z, Baccaro R, Badin C, Bagwell B, Bahlmann-Kroll E, Bahtar AZ, Baigent C, Bains D, Bajaj H, Baker R, Baldini E, Banas B, Banerjee D, Banno S, Bansal S, Barberi S, Barnes S, Barnini C, Barot C, Barrett K, Barrios R, Bartolomei Mecatti B, Barton I, Barton J, Basily W, Bavanandan S, Baxter A, Becker L, Beddhu S, Beige J, Beigh S, Bell S, Benck U, Beneat A, Bennett A, Bennett D, Benyon S, Berdeprado J, Bergler T, Bergner A, Berry M, Bevilacqua M, Bhairoo J, Bhandari S, Bhandary N, Bhatt A, Bhattarai M, Bhavsar M, Bian W, Bianchini F, Bianco S, Bilous R, Bilton J, Bilucaglia D, Bird C, Birudaraju D, Biscoveanu M, Blake C, Bleakley N, Bocchicchia K, Bodine S, Bodington R, Boedecker S, Bolduc M, Bolton S, Bond C, Boreky F, Boren K, Bouchi R, Bough L, Bovan D, Bowler C, Bowman L, Brar N, Braun C, Breach A, Breitenfeldt M, Brenner S, Brettschneider B, Brewer A, Brewer G, Brindle V, Brioni E, Brown C, Brown H, Brown L, Brown R, Brown S, Browne D, Bruce K, Brueckmann M, Brunskill N, Bryant M, Brzoska M, Bu Y, Buckman C, Budoff M, Bullen M, Burke A, Burnette S, Burston C, Busch M, Bushnell J, Butler S, Büttner C, Byrne C, Caamano A, Cadorna J, Cafiero C, Cagle M, Cai J, Calabrese K, Calvi C, Camilleri B, Camp S, Campbell D, Campbell R, Cao H, Capelli I, Caple M, Caplin B, Cardone A, Carle J, Carnall V, Caroppo M, Carr S, Carraro G, Carson M, Casares P, Castillo C, Castro C, Caudill B, Cejka V, Ceseri M, Cham L, Chamberlain A, Chambers J, Chan CBT, Chan JYM, Chan YC, Chang E, Chang E, Chant T, Chavagnon T, Chellamuthu P, Chen F, Chen J, Chen P, Chen TM, Chen Y, Chen Y, Cheng C, Cheng H, Cheng MC, Cherney D, Cheung AK, Ching CH, Chitalia N, Choksi R, Chukwu C, Chung K, Cianciolo G, Cipressa L, Clark S, Clarke H, Clarke R, Clarke S, Cleveland B, Cole E, Coles H, Condurache L, Connor A, Convery K, Cooper A, Cooper N, Cooper Z, Cooperman L, Cosgrove L, Coutts P, Cowley A, Craik R, Cui G, Cummins T, Dahl N, Dai H, Dajani L, D'Amelio A, Damian E, Damianik K, Danel L, Daniels C, Daniels T, Darbeau S, Darius H, Dasgupta T, Davies J, Davies L, Davis A, Davis J, Davis L, Dayanandan R, Dayi S, Dayrell R, De Nicola L, Debnath S, Deeb W, Degenhardt S, DeGoursey K, Delaney M, Deo R, DeRaad R, Derebail V, Dev D, Devaux M, Dhall P, Dhillon G, Dienes J, Dobre M, Doctolero E, Dodds V, Domingo D, Donaldson D, Donaldson P, Donhauser C, Donley V, Dorestin S, Dorey S, Doulton T, Draganova D, Draxlbauer K, Driver F, Du H, Dube F, Duck T, Dugal T, Dugas J, Dukka H, Dumann H, Durham W, Dursch M, Dykas R, Easow R, Eckrich E, Eden G, Edmerson E, Edwards H, Ee LW, Eguchi J, Ehrl Y, Eichstadt K, Eid W, Eilerman B, Ejima Y, Eldon H, Ellam T, Elliott L, Ellison R, Emberson J, Epp R, Er A, Espino-Obrero M, Estcourt S, Estienne L, Evans G, Evans J, Evans S, Fabbri G, Fajardo-Moser M, Falcone C, Fani F, Faria-Shayler P, Farnia F, Farrugia D, Fechter M, Fellowes D, Feng F, Fernandez J, Ferraro P, Field A, Fikry S, Finch J, Finn H, Fioretto P, Fish R, Fleischer A, Fleming-Brown D, Fletcher L, Flora R, Foellinger C, Foligno N, Forest S, Forghani Z, Forsyth K, Fottrell-Gould D, Fox P, Frankel A, Fraser D, Frazier R, Frederick K, Freking N, French H, Froment A, Fuchs B, Fuessl L, Fujii H, Fujimoto A, Fujita A, Fujita K, Fujita Y, Fukagawa M, Fukao Y, Fukasawa A, Fuller T, Funayama T, Fung E, Furukawa M, Furukawa Y, Furusho M, Gabel S, Gaidu J, Gaiser S, Gallo K, Galloway C, Gambaro G, Gan CC, Gangemi C, Gao M, Garcia K, Garcia M, Garofalo C, Garrity M, Garza A, Gasko S, Gavrila M, Gebeyehu B, Geddes A, Gentile G, George A, George J, Gesualdo L, Ghalli F, Ghanem A, Ghate T, Ghavampour S, Ghazi A, Gherman A, Giebeln-Hudnell U, Gill B, Gillham S, Girakossyan I, Girndt M, Giuffrida A, Glenwright M, Glider T, Gloria R, Glowski D, Goh BL, Goh CB, Gohda T, Goldenberg R, Goldfaden R, Goldsmith C, Golson B, Gonce V, Gong Q, Goodenough B, Goodwin N, Goonasekera M, Gordon A, Gordon J, Gore A, Goto H, Goto S, Goto S, Gowen D, Grace A, Graham J, Grandaliano G, Gray M, Green JB, Greene T, Greenwood G, Grewal B, Grifa R, Griffin D, Griffin S, Grimmer P, Grobovaite E, Grotjahn S, Guerini A, Guest C, Gunda S, Guo B, Guo Q, Haack S, Haase M, Haaser K, Habuki K, Hadley A, Hagan S, Hagge S, Haller H, Ham S, Hamal S, Hamamoto Y, Hamano N, Hamm M, Hanburry A, Haneda M, Hanf C, Hanif W, Hansen J, Hanson L, Hantel S, Haraguchi T, Harding E, Harding T, Hardy C, Hartner C, Harun Z, Harvill L, Hasan A, Hase H, Hasegawa F, Hasegawa T, Hashimoto A, Hashimoto C, Hashimoto M, Hashimoto S, Haskett S, Hauske SJ, Hawfield A, Hayami T, Hayashi M, Hayashi S, Haynes R, Hazara A, Healy C, Hecktman J, Heine G, Henderson H, Henschel R, Hepditch A, Herfurth K, 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Shimizu Y, Shimoda H, Shin K, Shivashankar G, Shojima N, Silva R, Sim CSB, Simmons K, Sinha S, Sitter T, Sivanandam S, Skipper M, Sloan K, Sloan L, Smith R, Smyth J, Sobande T, Sobata M, Somalanka S, Song X, Sonntag F, Sood B, Sor SY, Soufer J, Sparks H, Spatoliatore G, Spinola T, Squyres S, Srivastava A, Stanfield J, Staplin N, Staylor K, Steele A, Steen O, Steffl D, Stegbauer J, Stellbrink C, Stellbrink E, Stevens W, Stevenson A, Stewart-Ray V, Stickley J, Stoffler D, Stratmann B, Streitenberger S, Strutz F, Stubbs J, Stumpf J, Suazo N, Suchinda P, Suckling R, Sudin A, Sugamori K, Sugawara H, Sugawara K, Sugimoto D, Sugiyama H, Sugiyama H, Sugiyama T, Sullivan M, Sumi M, Suresh N, Sutton D, Suzuki H, Suzuki R, Suzuki Y, Suzuki Y, Suzuki Y, Swanson E, Swift P, Syed S, Szerlip H, Taal M, Taddeo M, Tailor C, Tajima K, Takagi M, Takahashi K, Takahashi K, Takahashi M, Takahashi T, Takahira E, Takai T, Takaoka M, Takeoka J, Takesada A, Takezawa M, Talbot M, Taliercio J, Talsania T, Tamori 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Vinathan J, Visnjic M, Voigt E, von-Eynatten M, Vourvou M, Wada J, Wada J, Wada T, Wada Y, Wakayama K, Wakita Y, Wallendszus K, Walters T, Wan Mohamad WH, Wang L, Wang W, Wang X, Wang X, Wang Y, Wanner C, Wanninayake S, Watada H, Watanabe K, Watanabe K, Watanabe M, Waterfall H, Watkins D, Watson S, Weaving L, Weber B, Webley Y, Webster A, Webster M, Weetman M, Wei W, Weihprecht H, Weiland L, Weinmann-Menke J, Weinreich T, Wendt R, Weng Y, Whalen M, Whalley G, Wheatley R, Wheeler A, Wheeler J, Whelton P, White K, Whitmore B, Whittaker S, Wiebel J, Wiley J, Wilkinson L, Willett M, Williams A, Williams E, Williams K, Williams T, Wilson A, Wilson P, Wincott L, Wines E, Winkelmann B, Winkler M, Winter-Goodwin B, Witczak J, Wittes J, Wittmann M, Wolf G, Wolf L, Wolfling R, Wong C, Wong E, Wong HS, Wong LW, Wong YH, Wonnacott A, Wood A, Wood L, Woodhouse H, Wooding N, Woodman A, Wren K, Wu J, Wu P, Xia S, Xiao H, Xiao X, Xie Y, Xu C, Xu Y, Xue H, Yahaya H, Yalamanchili H, Yamada A, Yamada N, Yamagata K, Yamaguchi M, Yamaji Y, Yamamoto A, Yamamoto S, Yamamoto S, Yamamoto T, Yamanaka A, Yamano T, Yamanouchi Y, Yamasaki N, Yamasaki Y, Yamasaki Y, Yamashita C, Yamauchi T, Yan Q, Yanagisawa E, Yang F, Yang L, Yano S, Yao S, Yao Y, Yarlagadda S, Yasuda Y, Yiu V, Yokoyama T, Yoshida S, Yoshidome E, Yoshikawa H, Young A, Young T, Yousif V, Yu H, Yu Y, Yuasa K, Yusof N, Zalunardo N, Zander B, Zani R, Zappulo F, Zayed M, Zemann B, Zettergren P, Zhang H, Zhang L, Zhang L, Zhang N, Zhang X, Zhao J, Zhao L, Zhao S, Zhao Z, Zhong H, Zhou N, Zhou S, Zhu D, Zhu L, Zhu S, Zietz M, Zippo M, Zirino F, Zulkipli FH. Effects of empagliflozin on progression of chronic kidney disease: a prespecified secondary analysis from the empa-kidney trial. Lancet Diabetes Endocrinol 2024; 12:39-50. [PMID: 38061371 PMCID: PMC7615591 DOI: 10.1016/s2213-8587(23)00321-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Revised: 10/24/2023] [Accepted: 10/25/2023] [Indexed: 12/23/2023]
Abstract
BACKGROUND Sodium-glucose co-transporter-2 (SGLT2) inhibitors reduce progression of chronic kidney disease and the risk of cardiovascular morbidity and mortality in a wide range of patients. However, their effects on kidney disease progression in some patients with chronic kidney disease are unclear because few clinical kidney outcomes occurred among such patients in the completed trials. In particular, some guidelines stratify their level of recommendation about who should be treated with SGLT2 inhibitors based on diabetes status and albuminuria. We aimed to assess the effects of empagliflozin on progression of chronic kidney disease both overall and among specific types of participants in the EMPA-KIDNEY trial. METHODS EMPA-KIDNEY, a randomised, controlled, phase 3 trial, was conducted at 241 centres in eight countries (Canada, China, Germany, Italy, Japan, Malaysia, the UK, and the USA), and included individuals aged 18 years or older with an estimated glomerular filtration rate (eGFR) of 20 to less than 45 mL/min per 1·73 m2, or with an eGFR of 45 to less than 90 mL/min per 1·73 m2 with a urinary albumin-to-creatinine ratio (uACR) of 200 mg/g or higher. We explored the effects of 10 mg oral empagliflozin once daily versus placebo on the annualised rate of change in estimated glomerular filtration rate (eGFR slope), a tertiary outcome. We studied the acute slope (from randomisation to 2 months) and chronic slope (from 2 months onwards) separately, using shared parameter models to estimate the latter. Analyses were done in all randomly assigned participants by intention to treat. EMPA-KIDNEY is registered at ClinicalTrials.gov, NCT03594110. FINDINGS Between May 15, 2019, and April 16, 2021, 6609 participants were randomly assigned and then followed up for a median of 2·0 years (IQR 1·5-2·4). Prespecified subgroups of eGFR included 2282 (34·5%) participants with an eGFR of less than 30 mL/min per 1·73 m2, 2928 (44·3%) with an eGFR of 30 to less than 45 mL/min per 1·73 m2, and 1399 (21·2%) with an eGFR 45 mL/min per 1·73 m2 or higher. Prespecified subgroups of uACR included 1328 (20·1%) with a uACR of less than 30 mg/g, 1864 (28·2%) with a uACR of 30 to 300 mg/g, and 3417 (51·7%) with a uACR of more than 300 mg/g. Overall, allocation to empagliflozin caused an acute 2·12 mL/min per 1·73 m2 (95% CI 1·83-2·41) reduction in eGFR, equivalent to a 6% (5-6) dip in the first 2 months. After this, it halved the chronic slope from -2·75 to -1·37 mL/min per 1·73 m2 per year (relative difference 50%, 95% CI 42-58). The absolute and relative benefits of empagliflozin on the magnitude of the chronic slope varied significantly depending on diabetes status and baseline levels of eGFR and uACR. In particular, the absolute difference in chronic slopes was lower in patients with lower baseline uACR, but because this group progressed more slowly than those with higher uACR, this translated to a larger relative difference in chronic slopes in this group (86% [36-136] reduction in the chronic slope among those with baseline uACR <30 mg/g compared with a 29% [19-38] reduction for those with baseline uACR ≥2000 mg/g; ptrend<0·0001). INTERPRETATION Empagliflozin slowed the rate of progression of chronic kidney disease among all types of participant in the EMPA-KIDNEY trial, including those with little albuminuria. Albuminuria alone should not be used to determine whether to treat with an SGLT2 inhibitor. FUNDING Boehringer Ingelheim and Eli Lilly.
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Masunaga T, Kato M, Sasaki M, Iwata K, Miyazaki K, Kubosawa Y, Mizutani M, Takatori Y, Matsuura N, Nakayama A, Takabayashi K, Yahagi N. Novel quantitative assessment indicators for efficiency and precision of endoscopic submucosal dissection in animal training models by analyzing an electrical surgical unit. Dig Endosc 2024; 36:19-27. [PMID: 37405690 DOI: 10.1111/den.14632] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Accepted: 07/02/2023] [Indexed: 07/06/2023]
Abstract
OBJECTIVES Although endoscopic submucosal dissection (ESD) training is important, quantitative assessments have not been established. This study aimed to explore a novel quantitative assessment system by analyzing an electrical surgical unit (ESU). METHODS This was an ex vivo study. Step one: to identify the novel efficiency indicators, 20 endoscopists performed one ESD each, and we analyzed correlations between their resection speed and electrical status. Step two: to identify the novel precision indicators, three experts and three novices performed one ESD each, and we compared the stability of the electrical status. Step three: three novices in step two performed 19 additional ESDs, and we analyzed the learning curve using novel indicators. RESULTS Step one: the percentage of total activation time (AT) of ESU in the procedure time (β coefficient, 0.80; P < 0.01) and AT required for submucosal dissection (β coefficient, -0.57; P < 0.01) were significantly correlated with the resection speed. Step two: coefficient of variation of the AT per one pulse (0.16 [range, 0.13-0.17] vs. 0.26 [range, 0.20-0.41], P = 0.049) and coefficient of variation of the peak electric power per pulse during mucosal incision (0.14 [range, 0.080-0.15] vs. 0.25 [range, 0.24-0.28], P = 0.049) were significantly lower in the experts than in the novices. Regarding the learning curve, the percentage of total AT of ESU in the procedure time and AT required for submucosal dissection had a trend of improvement. CONCLUSION Novel indicators identified by analyzing ESU enable quantitative assessment for endoscopist's skill.
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Affiliation(s)
- Teppei Masunaga
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Motohiko Kato
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Motoki Sasaki
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Kentaro Iwata
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Kurato Miyazaki
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Yoko Kubosawa
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Mari Mizutani
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Yusaku Takatori
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Noriko Matsuura
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Atsushi Nakayama
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Kaoru Takabayashi
- Center for Diagnostic and Therapeutic Endoscopy, Keio University School of Medicine, Tokyo, Japan
| | - Naohisa Yahagi
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
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Impact of primary kidney disease on the effects of empagliflozin in patients with chronic kidney disease: secondary analyses of the EMPA-KIDNEY trial. Lancet Diabetes Endocrinol 2024; 12:51-60. [PMID: 38061372 DOI: 10.1016/s2213-8587(23)00322-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Revised: 10/24/2023] [Accepted: 10/25/2023] [Indexed: 12/23/2023]
Abstract
BACKGROUND The EMPA-KIDNEY trial showed that empagliflozin reduced the risk of the primary composite outcome of kidney disease progression or cardiovascular death in patients with chronic kidney disease mainly through slowing progression. We aimed to assess how effects of empagliflozin might differ by primary kidney disease across its broad population. METHODS EMPA-KIDNEY, a randomised, controlled, phase 3 trial, was conducted at 241 centres in eight countries (Canada, China, Germany, Italy, Japan, Malaysia, the UK, and the USA). Patients were eligible if their estimated glomerular filtration rate (eGFR) was 20 to less than 45 mL/min per 1·73 m2, or 45 to less than 90 mL/min per 1·73 m2 with a urinary albumin-to-creatinine ratio (uACR) of 200 mg/g or higher at screening. They were randomly assigned (1:1) to 10 mg oral empagliflozin once daily or matching placebo. Effects on kidney disease progression (defined as a sustained ≥40% eGFR decline from randomisation, end-stage kidney disease, a sustained eGFR below 10 mL/min per 1·73 m2, or death from kidney failure) were assessed using prespecified Cox models, and eGFR slope analyses used shared parameter models. Subgroup comparisons were performed by including relevant interaction terms in models. EMPA-KIDNEY is registered with ClinicalTrials.gov, NCT03594110. FINDINGS Between May 15, 2019, and April 16, 2021, 6609 participants were randomly assigned and followed up for a median of 2·0 years (IQR 1·5-2·4). Prespecified subgroupings by primary kidney disease included 2057 (31·1%) participants with diabetic kidney disease, 1669 (25·3%) with glomerular disease, 1445 (21·9%) with hypertensive or renovascular disease, and 1438 (21·8%) with other or unknown causes. Kidney disease progression occurred in 384 (11·6%) of 3304 patients in the empagliflozin group and 504 (15·2%) of 3305 patients in the placebo group (hazard ratio 0·71 [95% CI 0·62-0·81]), with no evidence that the relative effect size varied significantly by primary kidney disease (pheterogeneity=0·62). The between-group difference in chronic eGFR slopes (ie, from 2 months to final follow-up) was 1·37 mL/min per 1·73 m2 per year (95% CI 1·16-1·59), representing a 50% (42-58) reduction in the rate of chronic eGFR decline. This relative effect of empagliflozin on chronic eGFR slope was similar in analyses by different primary kidney diseases, including in explorations by type of glomerular disease and diabetes (p values for heterogeneity all >0·1). INTERPRETATION In a broad range of patients with chronic kidney disease at risk of progression, including a wide range of non-diabetic causes of chronic kidney disease, empagliflozin reduced risk of kidney disease progression. Relative effect sizes were broadly similar irrespective of the cause of primary kidney disease, suggesting that SGLT2 inhibitors should be part of a standard of care to minimise risk of kidney failure in chronic kidney disease. FUNDING Boehringer Ingelheim, Eli Lilly, and UK Medical Research Council.
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Yamanoi K, Fujii C, Nakayama A, Matsuura N, Takatori Y, Kato M, Yahagi N, Nakayama J. Decreased expression of TFF2 and decreased αGlcNAc glycosylation are malignant biomarkers of pyloric gland adenoma of the duodenum. Sci Rep 2023; 13:21641. [PMID: 38062108 PMCID: PMC10703765 DOI: 10.1038/s41598-023-49040-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2023] [Accepted: 12/03/2023] [Indexed: 12/18/2023] Open
Abstract
Pyloric gland adenoma (PGA) is a duodenal neoplasm expressing MUC6 and is often associated with high-grade dysplasia and adenocarcinoma. MUC6 secreted from the pyloric gland cells carries unique O-glycans exhibiting terminal α1,4-linked N-acetylglucosamine residues (αGlcNAc). The small peptide trefoil factor 2 (TFF2) is also secreted from pyloric gland cells and binds to αGlcNAc. We recently demonstrated that αGlcNAc serves as a tumor suppressor for gastric neoplasm including PGA, but the significance of TFF2 expression remains unknown. We examined 20 lesions representing low- and high-grade PGA in 22 cases by immunohistochemistry for αGlcNAc, TFF2, MUC6, MUC5AC, MUC2 and p53. αGlcNAc, TFF2 and MUC6 were co-expressed on the cell surface and a dot-like pattern in the cytosol in low-grade PGA lesions. High-grade PGA also expressed MUC6, but reduced αGlcNAc and TFF2 expression. The ratios of αGlcNAc or TFF2 to MUC6 score in high-grade PGA were significantly lower than low-grade PGA (P < 0.001). Co-expression of αGlcNAc-glycosylated MUC6 and TFF2 in PGA suggests the existence of αGlcNAc/TFF2 form complex in PGA cells, a finding consistent with our observations in non-neoplastic Brunner's gland cells. The decreased αGlcNAc and TFF2 expression are associated with high grade atypical cells, indicative of the malignant potential of PGA.
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Affiliation(s)
- Kazuhiro Yamanoi
- Department of Pathology, School of Medicine, Keio University, 35 Shinanomachi, Shinjuku, Tokyo, 160-8582, Japan.
- Department of Molecular Pathology, Shinshu University School of Medicine, Matsumoto, Japan.
| | - Chifumi Fujii
- Department of Molecular Pathology, Shinshu University School of Medicine, Matsumoto, Japan
- Department of Biotechnology, Institute for Biomedical Sciences, Interdisciplinary Cluster for Cutting Edge Research, Shinshu University, Matsumoto, Japan
- Center for Medical Education and Clinical Training, Shinshu University School of Medicine, Matsumoto, Japan
| | - Atsushi Nakayama
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Noriko Matsuura
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Yusaku Takatori
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Motohiko Kato
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Naohisa Yahagi
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Jun Nakayama
- Department of Molecular Pathology, Shinshu University School of Medicine, Matsumoto, Japan
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Mizutani M, Minesaki D, Morioka K, Iwata K, Miyazaki K, Masunaga T, Kubosawa Y, Hayashi Y, Sasaki M, Akimoto T, Takatori Y, Matsuura N, Nakayama A, Sujino T, Takabayashi K, Kanai T, Yahagi N, Kato M. Prospective cross-organ analysis for the causes of fever and increased inflammatory response after endoscopic resection. Dig Endosc 2023. [PMID: 38062904 DOI: 10.1111/den.14740] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/04/2023] [Accepted: 12/06/2023] [Indexed: 01/23/2024]
Abstract
OBJECTIVES Fever and increased inflammatory responses sometimes occur following endoscopic resection (ER). However, the differences in causes according to the organ are scarcely understood, and several modified ER techniques have been proposed. Therefore, we conducted a comprehensive prospective study to investigate the cause of fever and increased inflammatory response across multiple organs after ER. METHODS We included patients who underwent gastrointestinal endoscopic submucosal dissection (ESD) and duodenal endoscopic mucosal resection at our hospital between January 2020 and April 2022. Primary endpoints were fever and increased C-reactive protein (CRP) levels following ER. The secondary endpoints were risk factors for aspiration pneumonia. Blood tests and radiography were performed on the day after ER, and computed tomography was performed if the cause was unknown. RESULTS Among the 822 patients included, aspiration pneumonia was the most common cause of fever and increased CRP levels after ER of the upper gastrointestinal tract (esophagus, 53%; stomach, 48%; and duodenum, 71%). Post-ER coagulation syndrome was most common after colorectal ESD (38%). On multivariate logistic regression analysis, lesions located in the esophagus (odds ratio [OR] 3.57; P < 0.001) and an amount of irrigation liquid of ≥1 L (OR 3.71; P = 0.003) were independent risk factors for aspiration pneumonia. CONCLUSIONS Aspiration pneumonia was the most common cause of fever after upper gastrointestinal ER and post-ER coagulation syndrome following colorectal ESD. Lesions in the esophagus and an amount of irrigation liquid of ≥1 L were independent risk factors for aspiration pneumonia.
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Affiliation(s)
- Mari Mizutani
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University, School of Medicine, Tokyo, Japan
| | - Daisuke Minesaki
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University, School of Medicine, Tokyo, Japan
| | - Kohei Morioka
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University, School of Medicine, Tokyo, Japan
| | - Kentaro Iwata
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University, School of Medicine, Tokyo, Japan
| | - Kurato Miyazaki
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University, School of Medicine, Tokyo, Japan
| | - Teppei Masunaga
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University, School of Medicine, Tokyo, Japan
| | - Yoko Kubosawa
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University, School of Medicine, Tokyo, Japan
| | - Yukie Hayashi
- Center for Preventive Medicine, Keio University, School of Medicine, Tokyo, Japan
| | - Motoki Sasaki
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University, School of Medicine, Tokyo, Japan
| | - Teppei Akimoto
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University, School of Medicine, Tokyo, Japan
| | - Yusaku Takatori
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University, School of Medicine, Tokyo, Japan
| | - Noriko Matsuura
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University, School of Medicine, Tokyo, Japan
| | - Atsushi Nakayama
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University, School of Medicine, Tokyo, Japan
| | - Tomohisa Sujino
- Center for Diagnostic and Therapeutic Endoscopy, Keio University, School of Medicine, Tokyo, Japan
| | - Kaoru Takabayashi
- Center for Diagnostic and Therapeutic Endoscopy, Keio University, School of Medicine, Tokyo, Japan
| | - Takanori Kanai
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University, School of Medicine, Tokyo, Japan
| | - Naohisa Yahagi
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University, School of Medicine, Tokyo, Japan
| | - Motohiko Kato
- Center for Diagnostic and Therapeutic Endoscopy, Keio University, School of Medicine, Tokyo, Japan
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Miyazaki K, Kato M, Kanai T, Yahagi N. Esophageal endoscopic submucosal dissection using a novel thin therapeutic scope for early esophageal cancer adjacent to chemoradiotherapy-induced stricture. Endoscopy 2023; 55:E581-E582. [PMID: 36996890 PMCID: PMC10063342 DOI: 10.1055/a-2045-7601] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 04/01/2023]
Affiliation(s)
- Kurato Miyazaki
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Motohiko Kato
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Takanori Kanai
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan
| | - Naohisa Yahagi
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
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Takatori Y, Matsuura N, Nakayama A, Kato M, Yahagi N. Endoscopic submucosal dissection using a novel therapeutic thin gastroscope for a locally recurrent rectal tumor after endoluminal rectal surgery. Endoscopy 2023; 55:E1097-E1098. [PMID: 37802110 PMCID: PMC10558285 DOI: 10.1055/a-2174-5398] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/08/2023]
Affiliation(s)
- Yusaku Takatori
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Noriko Matsuura
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Atsushi Nakayama
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Motohiko Kato
- Center for Diagnostic and Therapeutic Endoscopy, Keio University School of Medicine, Tokyo, Japan
| | - Naohisa Yahagi
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
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Miyazaki K, Kato M, Takatori Y, Kanai T, Yahagi N. A successful case of endoscopic submucosal dissection using the water pressure method for hypopharyngeal carcinoma with severe fibrosis. Endoscopy 2023; 55:E721-E722. [PMID: 37187205 PMCID: PMC10185412 DOI: 10.1055/a-2079-2910] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 05/17/2023]
Affiliation(s)
- Kurato Miyazaki
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Motohiko Kato
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Yusaku Takatori
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Takanori Kanai
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan
| | - Naohisa Yahagi
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
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21
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Miyazaki K, Kato M, Takabayashi K, Matsuura N, Yahagi N. Successful endoscopic submucosal dissection for a cecal laterally spreading tumor using a motorized spiral enteroscope in a case with difficult intubation. Endoscopy 2023; 55:E717-E718. [PMID: 37164330 PMCID: PMC10171999 DOI: 10.1055/a-2078-1165] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 05/12/2023]
Affiliation(s)
- Kurato Miyazaki
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Motohiko Kato
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Kaoru Takabayashi
- Center for Diagnostic and Therapeutic Endoscopy, Keio University School of Medicine, Tokyo, Japan
| | - Noriko Matsuura
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Naohisa Yahagi
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
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22
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Masunaga T, Kato M, Yahagi N. Novel therapeutic thin endoscope facilitates endoscopic submucosal dissection for cervical esophageal cancer involving the pharyngoesophageal junction. Endoscopy 2023; 55:E602-E603. [PMID: 37040889 PMCID: PMC10089799 DOI: 10.1055/a-2044-0512] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 04/13/2023]
Affiliation(s)
- Teppei Masunaga
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Motohiko Kato
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Naohisa Yahagi
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
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23
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Dohi O, Kato M, Takeuchi Y, Hoteya S, Oyama T, Nonaka S, Yoshimizu S, Yoshida M, Ohata K, Miura Y, Hara Y, Tsuji S, Yamasaki Y, Ueyama H, Kurahara K, Tashima T, Abe N, Nakayama A, Oda I, Yahagi N. Clinical course and management of adverse events after endoscopic resection of superficial duodenal epithelial tumors: Multicenter retrospective study. Dig Endosc 2023; 35:879-888. [PMID: 36945191 DOI: 10.1111/den.14552] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/27/2022] [Accepted: 03/19/2023] [Indexed: 03/23/2023]
Abstract
OBJECTIVES This study aimed to elucidate the clinical course and management of adverse events (AEs) after endoscopic resection (ER) for superficial duodenal epithelial tumors (SDETs). METHODS Consecutive patients who underwent ER of SDETs between January 2008 and July 2018 at 18 Japanese institutions were retrospectively enrolled. The study outcomes included the clinical course, management, and risk of surgical conversion with perioperative AEs after ER for SDETs. RESULTS Of the 226 patients with AEs, the surgical conversion rate was 8.0% (18/226), including 3.7% (4/108), 1.0% (1/99), and 50.0% (12/24) of patients with intraoperative perforation, delayed bleeding, or delayed perforation, respectively. In the multivariate logistic analysis, involvement of the major papilla (odds ratio [OR] 12.788; 95% confidence interval [CI] 2.098-77.961, P = 0.006) and delayed perforation (OR 37.054; 95% CI 10.219-134.366, P < 0.001) were significant risk factors for surgical conversion after AEs. Delayed bleeding occurred from postoperative days 1-14 or more, whereas delayed perforation occurred within 3 days in all cases. CONCLUSIONS The surgical conversion rate was higher for delayed perforation than those for other AEs after ER of SDETs. Involvement of the major papilla and delayed perforation were significant risk factors for surgical conversion following AEs. In addition, reliable prevention of delayed perforation is required for 3 days after duodenal ER to prevent the need for surgical interventions.
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Affiliation(s)
- Osamu Dohi
- Molecular Gastroenterology and Hepatology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Motohiko Kato
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Yoji Takeuchi
- Department of Gastrointestinal Oncology and Division of Hereditary Tumors, Department of Genetic Oncology, Osaka International Cancer Institute, Osaka, Japan
| | - Shu Hoteya
- Department of Gastroenterology, Toranomon Hospital, Tokyo, Japan
| | - Tsuneo Oyama
- Department of Endoscopy, Saku Central Hospital Advanced Care Center, Nagano, Japan
| | - Satoru Nonaka
- Endoscopy Division, National Cancer Center Hospital, Tokyo, Japan
| | - Shoichi Yoshimizu
- Department of Gastroenterology, Cancer Institute Hospital, Tokyo, Japan
| | - Masao Yoshida
- Division of Endoscopy, Shizuoka Cancer Center, Shizuoka, Japan
| | - Ken Ohata
- Department of Gastrointestinal Endoscopy, NTT Medical Center Tokyo, Tokyo, Japan
| | - Yoshimasa Miura
- Department of Medicine, Division of Gastroenterology, Jichi Medical University, Tochigi, Japan
| | - Yuko Hara
- Department of Endoscopy, The Jikei University School of Medicine, Tokyo, Japan
| | - Shigetsugu Tsuji
- Department of Gastroenterology, Ishikawa Prefectural Central Hospital, Ishikawa, Japan
| | - Yasushi Yamasaki
- Department of Gastroenterology, Okayama University Hospital, Okayama, Japan
| | - Hiroya Ueyama
- Department of Gastroenterology, Juntendo University School of Medicine, Tokyo, Japan
| | - Koichi Kurahara
- Division of Gastroenterology, Matsuyama Red Cross Hospital, Ehime, Japan
| | - Tomoaki Tashima
- Department of Gastroenterology, Saitama Medical University International Medical Center, Saitama, Japan
| | - Nobutsugu Abe
- Department of Gastroenterological and General Surgery, Kyorin University Faculty of Medicine, Tokyo, Japan
| | - Atsushi Nakayama
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Ichiro Oda
- Endoscopy Division, National Cancer Center Hospital, Tokyo, Japan
| | - Naohisa Yahagi
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
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Hirose T, Kato M, Hatta W, Abe S, Takizawa K, Yano T. Superficial non-ampullary duodenal epithelial tumors now: endoscopic diagnosis and therapy. Jpn J Clin Oncol 2023; 53:877-884. [PMID: 37394910 DOI: 10.1093/jjco/hyad073] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2023] [Accepted: 06/15/2023] [Indexed: 07/04/2023] Open
Abstract
With the recent increase in the frequency of duodenal tumor detection, significant progress has been made in endoscopic diagnosis and treatment. Although the first guidelines were issued in Japan, patient treatment varies widely among institutions. There is a need for improving the quality of endoscopic diagnosis and more curative and safer treatments. Biopsy is the standard diagnostic method; however, the diagnostic accuracy of endoscopic biopsy is not so high. Therefore, the differentiation of superficial non-ampullary duodenal epithelial tumors from non-neoplastic lesions is being developed. The incidence of lymph node and distant metastases of duodenal epithelial tumors is extremely rare in intramucosal carcinomas, and they are considered good candidates for endoscopic treatment if the technical difficulties can be resolved. Adverse events associated with endoscopic treatment are greatly reduced at advanced facilities through novel resection and closure methods, and further improvements are expected in the future. Clarifying the risk of metastatic recurrence may lead to the development of more appropriate treatments and curative resection criteria.
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Affiliation(s)
- Takashi Hirose
- Department of Gastroenterology and Hepatology, Nagoya University Graduate School of Medicine, Nagoya 466-8550, Japan
| | - Motohiko Kato
- Department of Gastroenterology and Hepatology, Keio University Graduate School of Medicine, Tokyo, Japan
| | - Waku Hatta
- Department of Gastroenterology and Hepatology, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Seiichiro Abe
- Endoscopy Division, National Cancer Center Hospital, Tokyo, Japan
| | - Kohei Takizawa
- Department of Endoscopy, Koyukai Shin-Sapporo Hospital, Hokkaido, Japan
| | - Tomonori Yano
- Department of Gastroenterology and Endoscopy, National Cancer Center Hospital East, Chiba, Japan
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Ye J, Suizu F, Yamakawa K, Mukai Y, Kato M, Yoneyama H, Yahagi N, Matsuda Y. Silencing of tumoral carbohydrate sulfotransferase 15 reactivates lymph node pancreatic cancer T cells in mice. Eur J Immunol 2023; 53:e2250160. [PMID: 37248998 DOI: 10.1002/eji.202250160] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2022] [Revised: 05/16/2023] [Accepted: 05/17/2023] [Indexed: 05/31/2023]
Abstract
Limited intratumoral T-cell infiltration in pancreatic ductal adenocarcinoma (PDAC) is an obstacle to immunotherapy, yet the efficient approach to enhance tumor-infiltrating T cells is not fully established. Here, we show that tumor-specific knockdown of carbohydrate sulfotransferase 15 (CHST15), a tumor stromal proteoglycan-synthetic enzyme, suppresses tumor growth in a T-cell-dependent manner in a murine model of PDAC. Silencing of tumoral CHST15 unexpectedly expanded CD4+ and CD8+ T cells in tumor draining LN (TDLN), leading to accelerated accumulation of EdU+ proliferating CD4+ and CD8+ T cells and granzyme B+ CD8+ T cells in the tumor. RNA expression analysis indicated that tumoral CHST15 knockdown (KD) downregulated matrix remodeling-related genes, while upregulated anti-tumor T-cell activity-related genes in both tumor and TDLN. CHST15 KD significantly diminished intratumoral and TDLN Ly6C/G+ myeloid-derived suppressor cells prior to TDLN T-cell expansion, suggesting that tumoral CHST15 remotely regulated myeloid-derived suppressor cell mediated T-cell suppression in the TDLN. Our findings illustrate a novel immunotherapeutic potential of tumoral CHST15 blockage by reactivating T cells in immune suppressive TDLN of PDAC.
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Affiliation(s)
- Juanjuan Ye
- Oncology Pathology, Department of Pathology and Host-Defense, Faculty of Medicine, Kagawa University, Kagawa, Japan
| | - Futoshi Suizu
- Oncology Pathology, Department of Pathology and Host-Defense, Faculty of Medicine, Kagawa University, Kagawa, Japan
| | - Keiko Yamakawa
- Oncology Pathology, Department of Pathology and Host-Defense, Faculty of Medicine, Kagawa University, Kagawa, Japan
| | - Yuri Mukai
- Oncology Pathology, Department of Pathology and Host-Defense, Faculty of Medicine, Kagawa University, Kagawa, Japan
| | - Motohiko Kato
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | | | - Naohisa Yahagi
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Yoko Matsuda
- Oncology Pathology, Department of Pathology and Host-Defense, Faculty of Medicine, Kagawa University, Kagawa, Japan
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Iwata K, Kato M, Sasaki M, Miyazaki K, Kubosawa Y, Masunaga T, Mizutani M, Hayashi Y, Takatori Y, Matsuura N, Nakayama A, Takabayashi K, Kanai T, Yahagi N. Intensive endoscopic resection strategy for multiple duodenal polyposis associated with familial adenomatous polyposis. J Gastroenterol Hepatol 2023; 38:1592-1597. [PMID: 37423767 DOI: 10.1111/jgh.16281] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/28/2023] [Revised: 06/10/2023] [Accepted: 06/22/2023] [Indexed: 07/11/2023]
Abstract
BACKGROUND AND AIM Multiple duodenal polyposis associated with familial adenomatous polyposis (FAP) is a high risk of duodenal cancer development. We evaluated the feasibility of intensive endoscopic resection that is a comprehensive treatment strategy combining multiple kinds of endoscopic treatments. METHODS This is a retrospective observational study. From January 2012 to July 2022, a total of 28 consecutive patients in FAP who underwent endoscopic resection for multiple duodenal polyposis more than twice were included. Various endoscopic treatments, such as cold polypectomy (CP), endoscopic mucosal resection (EMR), underwater EMR (UEMR), endoscopic submucosal dissection (ESD), and endoscopic papillectomy (EP), were applied depending on lesions size and location. We evaluated individual information from patients' medical records, including patient characteristics, lesion characteristics, details of endoscopic treatment, pathologic findings, and Spigelman index (SI). We compared the differences in the number of treatments and observation periods with and without SI decrease. RESULTS A total of 1040 lesions were removed by 138 sessions of endoscopic resections. The median follow-up period was 3.2 years. At the beginning of the endoscopic intervention, median SI was 9 (6-11) and the proportion of Spigelman stage (SS) IV was 61%. Repeated endoscopic treatments finally reduced SI in 26 patients (93%), and the proportion of SS IV significantly decreased to 13% with every endoscopic treatment. The mean SI change was -4.2 points per year (95% confidence interval: -0.6 to -5.9). There were no patients required surgical duodenectomy during the follow-up period. CONCLUSION Intensive resection has a potential of downstaging duodenal lesions associated with FAP.
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Affiliation(s)
- Kentaro Iwata
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan
| | - Motohiko Kato
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Motoki Sasaki
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Kurato Miyazaki
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan
| | - Yoko Kubosawa
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan
| | - Teppei Masunaga
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Mari Mizutani
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan
| | - Yukie Hayashi
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan
- Center for Diagnostic and Therapeutic Endoscopy, School of Medicine, Keio University, Tokyo, Japan
| | - Yusaku Takatori
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Noriko Matsuura
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Atsushi Nakayama
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Kaoru Takabayashi
- Center for Diagnostic and Therapeutic Endoscopy, School of Medicine, Keio University, Tokyo, Japan
| | - Takanori Kanai
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan
| | - Naohisa Yahagi
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
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Affiliation(s)
- Motohiko Kato
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Naohisa Yahagi
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
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Masunaga T, Kato M, Sasaki M, Iwata K, Miyazaki K, Kubosawa Y, Mizutani M, Takatori Y, Matsuura N, Nakayama A, Takabayashi K, Yahagi N. Effectiveness of water pressure method in colorectal endoscopic submucosal dissection by novice endoscopists. Endosc Int Open 2023; 11:E641-E648. [PMID: 37502676 PMCID: PMC10370489 DOI: 10.1055/a-2102-7578] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Accepted: 05/25/2023] [Indexed: 07/29/2023] Open
Abstract
Background and study aims Colorectal endoscopic submucosal dissection (ESD) remains challenging for novice endoscopists. Not only the underwater conditions but also active use of water pressure with the water pressure method (WPM) can help widen the submucosal layer. This study aimed to clarify the usefulness of WPM in colorectal ESD, especially for novice endoscopists. Methods This study was ex vivo and enrolled three novices. Each endoscopist performed conventional ESD (C-ESD) and ESD with WPM (WPM-ESD) 10 times on an excised bovine rectum. The treatment outcomes were compared between the two groups. Results Median procedure time was significantly shorter in the WPM-ESD group than in the C-ESD group (54 minutes, interquartile range [IQR] 42-67 vs. 45 minutes, IQR 34-55, P = 0.035). Although no significant difference in the activation time of electrical surgical unit (ESU) during the procedure was noted, the interval time during the procedure at which the ESU was not activated was significantly shorter in the WPM-ESD group (52 minutes, IQR 40-65 vs. 42 minutes, IQR 32-52, P = 0.030) than in the C-ESD group. Moreover, the time required for the endoscope to enter the submucosa was significantly shorter in the WPM-ESD group than in the C-ESD group (8.0 minutes, IQR 6.0-10 vs. 5.0 minutes, IQR 3.0-6.0, P < 0.001). Conclusions The present study reveals that the WPM method significantly shortens the procedure times for novices in colorectal ESD, especially the interval time, which refers to the time spent creating the field of view, and the time required for the endoscope to enter the submucosa.
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Affiliation(s)
- Teppei Masunaga
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine Graduate School of Medicine, Tokyo, Japan
| | - Motohiko Kato
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine Graduate School of Medicine, Tokyo, Japan
| | - Motoki Sasaki
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine Graduate School of Medicine, Tokyo, Japan
| | - Kentaro Iwata
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine Graduate School of Medicine, Tokyo, Japan
| | - Kurato Miyazaki
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine Graduate School of Medicine, Tokyo, Japan
| | - Yoko Kubosawa
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine Graduate School of Medicine, Tokyo, Japan
| | - Mari Mizutani
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine Graduate School of Medicine, Tokyo, Japan
| | - Yusaku Takatori
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine Graduate School of Medicine, Tokyo, Japan
| | - Noriko Matsuura
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine Graduate School of Medicine, Tokyo, Japan
| | - Atsushi Nakayama
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine Graduate School of Medicine, Tokyo, Japan
| | - Kaoru Takabayashi
- Center for Diagnostic and Therapeutic Endoscopy, Keio University School of Medicine Graduate School of Medicine, Tokyo, Japan
| | - Naohisa Yahagi
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine Graduate School of Medicine, Tokyo, Japan
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Miyazaki K, Kato M, Sasaki M, Iwata K, Masunaga T, Kubosawa Y, Hayashi Y, Mizutani M, Takatori Y, Matsuura N, Nakayama A, Takabayashi K, Nakajima K, Kanai T, Yahagi N. First clinical experience with esophageal ESD using a novel adjustable traction device. Endosc Int Open 2023; 11:E446-E450. [PMID: 37180311 PMCID: PMC10169228 DOI: 10.1055/a-2011-1836] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/18/2022] [Accepted: 12/29/2022] [Indexed: 01/13/2023] Open
Abstract
Background and study aims In esophageal endoscopic submucosal dissection (ESD), the effectiveness of traction including clip-thread method has been reported, but it is difficult to adjust the direction of traction. Therefore, we developed a dedicated over-tube type traction device (ENDOTORNADO) that has a working channel and allows traction from any directions by rotating itself. We investigated the clinical feasibility and potential usefulness of this new device in esophageal ESD. Patients and methods This was a single-center, retrospective study. Six cases of esophageal ESD with ENDOTORNADO from January to March 2022 (tESD group) were compared with 23 cases of conventional esophageal ESD performed by the same operator from January 2019 to December 2021 (cESD group) in terms of clinical treatment outcomes. Results In all cases, en bloc resection was achieved without intraoperative perforation. The total procedure speed was significantly increased in tESD group (23 vs. 30 mm 2 /min, P = 0.046). In particular, the submucosal dissection time was significantly reduced to about one-quarter in tESD group (11 vs. 42 min, P = 0.004). Conclusions ENDOTORNADO creates the adjustable traction from any directions and may have the clinical feasibility. It would be an option for human esophageal ESD.
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Affiliation(s)
- Kurato Miyazaki
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Motohiko Kato
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Motoki Sasaki
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Kentaro Iwata
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Teppei Masunaga
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Yoko Kubosawa
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Yukie Hayashi
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan
| | - Mari Mizutani
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Yusaku Takatori
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Noriko Matsuura
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Atsushi Nakayama
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Kaoru Takabayashi
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan
| | - Kiyokazu Nakajima
- Department of Next Generation Endoscopic Intervention (Project ENGINE), Osaka University Graduate School of Medicine, Osaka, Japan
| | - Takanori Kanai
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan
| | - Naohisa Yahagi
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
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Hayashi Y, Takabayashi K, Kato M, Tojo A, Aoki Y, Hagihara Y, Yoshida K, Yoshimatsu Y, Kiyohara H, Sugimoto S, Nanki K, Mikami Y, Sujino T, Mutaguchi M, Kawaguchi T, Hosoe N, Yahagi N, Ogata H, Kanai T. Usefulness of texture and color enhancement imaging in assessing mucosal healing in patients with ulcerative colitis. Gastrointest Endosc 2023; 97:759-766.e1. [PMID: 36460084 DOI: 10.1016/j.gie.2022.11.019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Revised: 10/17/2022] [Accepted: 11/18/2022] [Indexed: 12/04/2022]
Abstract
BACKGROUND AND AIMS Endoscopic remission is known to be defined as a Mayo endoscopic subscore (MES) of ≤1 in patients with ulcerative colitis (UC). However, some individuals experience relapse even after showing endoscopic remission under white-light imaging (WLI), and no tool exists that can detect these individuals. The aim of this study was to clarify the usefulness of texture and color enhancement imaging (TXI) in the assessment of inflammation in patients with UC. METHODS This was a prospective, single-arm, observational study conducted at a university hospital. From January 2021 to December 2021, 146 UC patients with endoscopic remission were enrolled. Images were evaluated by WLI, TXI, and pathologic evaluation, followed by prognostic studies. The primary endpoint of the study was the cumulative relapse of UC in each TXI score. The secondary endpoints were the association between TXI and pathologic scores, predictors of relapse, and interobserver agreement between the MES and TXI scores. RESULTS Patients with TXI score 2 had significantly lower UC relapse-free rates than did those with TXI scores 0-1 (log-rank test, P < .01). When pathologic remission was defined as Matts grade ≤2, the rate of pathologic remission decreased significantly with higher TXI scores (P = .01). In multivariate analysis, TXI score 2 was the only risk factor for UC relapse (P < .01; hazard ratio, 4.16; 95% confidence interval, 1.72-10.04). Interobserver agreement on the TXI score was good (κ = 0.597-0.823). CONCLUSION TXI can be used to identify populations with poor prognosis in MES 1, for whom treatment intensification has been controversial.
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Affiliation(s)
- Yukie Hayashi
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan
| | - Kaoru Takabayashi
- Center for Diagnostic and Therapeutic Endoscopy, Keio University School of Medicine, Tokyo, Japan.
| | - Motohiko Kato
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Anna Tojo
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan
| | - Yasuhiro Aoki
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan
| | - Yuya Hagihara
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan
| | - Kosuke Yoshida
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan
| | - Yusuke Yoshimatsu
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan
| | - Hiroki Kiyohara
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan
| | - Shinya Sugimoto
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan
| | - Kosaku Nanki
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan
| | - Yohei Mikami
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan
| | - Tomohisa Sujino
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan
| | - Makoto Mutaguchi
- Center for Diagnostic and Therapeutic Endoscopy, Keio University School of Medicine, Tokyo, Japan
| | - Takaaki Kawaguchi
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan
| | - Naoki Hosoe
- Center for Diagnostic and Therapeutic Endoscopy, Keio University School of Medicine, Tokyo, Japan
| | - Naohisa Yahagi
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Haruhiko Ogata
- Center for Diagnostic and Therapeutic Endoscopy, Keio University School of Medicine, Tokyo, Japan
| | - Takanori Kanai
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan
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Hayashi S, Takenaka M, Kogure H, Yakushijin T, Nakai Y, Ikezawa K, Yamaguhci S, Fujisawa T, Tamaru Y, Maetani I, Maruyama H, Asai S, Takagi T, Nagaike K, Hori Y, Sumiyoshi T, Tsumura H, Doyama H, Yoshio T, Hara K, Abe S, Oda I, Kato M, Nebiki H, Mikami T, Miyazaki M, Matsunaga K, Hosono M, Nishida T. A follow-up questionnaire survey 2022 on radiation protection among 464 medical staff from 34 endoscopy-fluoroscopy departments in Japan. DEN Open 2023; 3:e227. [PMID: 37064420 PMCID: PMC10102737 DOI: 10.1002/deo2.227] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/19/2023] [Revised: 02/22/2023] [Accepted: 03/08/2023] [Indexed: 04/18/2023]
Abstract
Objectives We surveyed and reported low protective equipment usage and insufficient knowledge among endoscopy-fluoroscopy departments in Japan in 2020. Two years later, we conducted a follow-up survey of doctors, nurses, and technologists in Japan. Methods We conducted a questionnaire survey on radiation protection from May to June 2022. The participants were medical staff, including doctors, nurses, and radiological and endoscopy technicians in endoscopy-fluoroscopy departments. The questionnaire included 17 multiple-choice questions divided into three parts: background, equipment, and knowledge. Results We surveyed 464 subjects from 34 institutions. There were 267 doctors (58%), 153 nurses (33%), and 44 technologists (9%). The rate of wearing a lead apron was 98% in this study. The rates of wearing a thyroid collar, lead glasses, and radiation dosimeter were 27%, 35%, and 74%, respectively. The trend of the protective equipment rate was similar to that of our previous study; however, radiation dosimetry among doctors was still low at 58%. The percentage of subjects who knew the radiation exposure (REX) dose of each procedure was low at 18%. Seventy-six percent of the subjects attended lectures on radiation protection, and 73% knew about the three principles of radiation protection; however, the concept of diagnostic reference levels was not well known (18%). Approximately 60% of the subjects knew about the exposure dose increasing cancer mortality (63%) and the 5-year lens REX limit (56%). Conclusions There was some improvement in radiation protection equipment or education, but relatively little compared to the 2020 survey of endoscopy departments.
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Affiliation(s)
- Shiro Hayashi
- Department of Gastroenterology and Internal MedicineHayashi ClinicOsakaJapan
- Department of GastroenterologyToyonaka Municipal HospitalOsakaJapan
| | - Mamoru Takenaka
- Department of Gastroenterology and HepatologyKindai University Faculty of MedicineOsakaJapan
| | - Hirofumi Kogure
- Division of Gastroenterology and HepatologyDepartment of MedicineNihon University School of MedicineTokyoJapan
| | - Takayuki Yakushijin
- Department of Gastroenterology and HepatologyOsaka General Medical CenterOsakaJapan
| | - Yousuke Nakai
- Department of GastroenterologyGraduate School of MedicineThe University of TokyoTokyoJapan
- Department of Endoscopy and Endoscopic SurgeryThe University of Tokyo HospitalTokyoJapan
| | - Kenji Ikezawa
- Department of Hepatobiliary and Pancreatic OncologyOsaka International Cancer InstituteOsakaJapan
| | - Shinjiro Yamaguhci
- Department of Gastroenterology and HepatologyKansai Rosai HospitalHyogoJapan
| | - Toshio Fujisawa
- Department of GastroenterologyJuntendo University, Hongo CampusTokyoJapan
| | - Yuzuru Tamaru
- Department of GastroenterologyNational Hospital Organization Kure Medical Center and Chugoku Cancer CenterHiroshimaJapan
| | - Iruru Maetani
- Division of Gastroenterology and HepatologyDepartment of Internal MedicineToho University Ohashi Medical CenterTokyoJapan
| | | | - Satoshi Asai
- Department of GastroenterologyTane General HospitalOsakaJapan
| | - Tadayuki Takagi
- Department of GastroenterologyFukushima Medical University School of MedicineFukushimaJapan
| | - Koji Nagaike
- Department of Gastroenterology and HepatologySuita Municipal HospitalOsakaJapan
| | - Yasuki Hori
- Department of Gastroenterology and MetabolismNagoya City University Graduate School of Medical SciencesAichiJapan
| | | | - Hidetaka Tsumura
- Department of Gastroenterological OncologyHyogo Cancer CenterHyogoJapan
| | - Hisashi Doyama
- Department of GastroenterologyIshikawa Prefectural Central HospitalIshikawaJapan
| | - Toshiyuki Yoshio
- Department of GastroenterologyCancer Institute HospitalTokyoJapan
| | - Kazuo Hara
- Department of GastroenterologyAichi Cancer CenterAichiJapan
| | - Seiichiro Abe
- Endoscopy DivisionNational Cancer Center HospitalTokyoJapan
| | - Ichiro Oda
- Department of Internal MedicineKawasaki Rinko General HospitalKanagawaJapan
| | - Motohiko Kato
- Department of GastroenterologyKeio University School of Medicine Graduate School of MedicineTokyoJapan
| | - Hiroko Nebiki
- Department of GastroenterologyOsaka City General HospitalOsakaJapan
| | - Tatsuya Mikami
- Department of GastroenterologyHirosaki UniversityAomoriJapan
| | - Masanori Miyazaki
- Department of Gastroenterology and HepatologyOsaka Police HospitalOsakaJapan
| | - Kazuhiro Matsunaga
- Department of Gastroenterological EndoscopyKanazawa Medical UniversityIshikawaJapan
| | - Makoto Hosono
- Department of RadiologyKindai University Faculty of MedicineOsakaJapan
| | - Tsutomu Nishida
- Department of GastroenterologyToyonaka Municipal HospitalOsakaJapan
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Yamasaki Y, Kato M, Takeuchi Y, Hoteya S, Oyama T, Nonaka S, Yoshimizu S, Yoshida M, Ohata K, Miura Y, Hara Y, Tsuji S, Dohi O, Ueyama H, Kurahara K, Tashima T, Abe N, Mitsuhashi T, Nakayama A, Oda I, Yahagi N. Correction: Characteristics of synchronous and metachronous duodenal tumors and association with colorectal cancer: a supplementary analysis. J Gastroenterol 2023; 58:470-471. [PMID: 36961558 DOI: 10.1007/s00535-023-01984-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 03/25/2023]
Affiliation(s)
- Yasushi Yamasaki
- Department of Gastroenterology, Okayama University Hospital, 2-5-1 Shikata-Cho, Kita-Ku, Okayama, 700-8558, Japan.
| | - Motohiko Kato
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Yoji Takeuchi
- Department of Gastrointestinal Oncology and Department of Genetic Oncology, Division of Hereditary Tumors, Osaka International Cancer Institute, Osaka, Japan
| | - Shu Hoteya
- Department of Gastroenterology, Toranomon Hospital, Tokyo, Japan
| | - Tsuneo Oyama
- Department of Endoscopy, Saku Central Hospital Advanced Care Center, Nagano, Japan
| | - Satoru Nonaka
- Endoscopy Division, National Cancer Center Hospital, Tokyo, Japan
| | - Shoichi Yoshimizu
- Department of Gastroenterology, Cancer Institute Hospital of the Japanese Foundation for Cancer Research, Tokyo, Japan
| | - Masao Yoshida
- Division of Endoscopy, Shizuoka Cancer Center, Shizuoka, Japan
| | - Ken Ohata
- Department of Gastrointestinal Endoscopy, NTT Medical Center Tokyo, Tokyo, Japan
| | - Yoshimasa Miura
- Department of Medicine, Division of Gastroenterology, Jichi Medical University, Shimotsuke, Japan
| | - Yuko Hara
- Department of Endoscopy, The Jikei University School of Medicine, Tokyo, Japan
| | - Shigetsugu Tsuji
- Department of Gastroenterology, Ishikawa Prefectural Central Hospital, Kanazawa, Japan
| | - Osamu Dohi
- Molecular Gastroenterology and Hepatology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Hiroya Ueyama
- Department of Gastroenterology, Juntendo University School of Medicine, Tokyo, Japan
| | - Koichi Kurahara
- Division of Gastroenterology, Matsuyama Red Cross Hospital, Matsuyama, Japan
| | - Tomoaki Tashima
- Department of Gastroenterology, Saitama Medical University International Medical Center, Saitama, Japan
| | - Nobutsugu Abe
- Department of Gastroenterological and General Surgery, Faculty of Medicine, Kyorin University, Tokyo, Japan
| | - Toshiharu Mitsuhashi
- Center for Innovative Clinical Medicine, Okayama University Hospital, Okayama, Japan
| | - Atsushi Nakayama
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Ichiro Oda
- Endoscopy Division, National Cancer Center Hospital, Tokyo, Japan
| | - Naohisa Yahagi
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
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Kubosawa Y, Kato M, Sasaki M, Iwata K, Miyazaki K, Masunaga T, Hayashi Y, Mizutani M, Kiguchi Y, Takatori Y, Matsuura N, Nakayama A, Takabayashi K, Kanai T, Yahagi N. Closure of large mucosal defects for prevention of strictures after duodenal endoscopic submucosal dissection (with video). Gastrointest Endosc 2023; 97:484-492. [PMID: 36209767 DOI: 10.1016/j.gie.2022.09.026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/22/2022] [Revised: 09/07/2022] [Accepted: 09/23/2022] [Indexed: 02/08/2023]
Abstract
BACKGROUND AND AIMS Although lesions occupying a large circumference are associated with the risk of post-endoscopic submucosal dissection (ESD) strictures, the corresponding data for duodenal lesions are unknown. We aimed to analyze the incidence of post-ESD strictures after wide-field duodenal ESD. METHODS In this retrospective study of duodenal lesions treated with ESD between July 2010 and August 2021, we included lesions that resulted in mucosal defects occupying more than half of the circumference and excluded lesions located in bulbs and involving Vater's papilla. We analyzed the incidence rates of stricture and luminal narrowing, in addition to bleeding and perforation as the outcomes in this study. Stricture was defined as the inability of the endoscope to pass through the lumen. A single endoscopist reviewed all endoscopic images and judged the degree of luminal narrowing. RESULTS Eighty lesions were included, of which 2 involved mucosal defects occupying more than 90% of the circumference. The wound was closed, at least partially, in 90% in all lesions and in 86% of lesions with a mucosal defect occupying more than 75% of the circumference. None of the lesions caused delayed perforation and stricture, whereas 2 lesions caused delayed bleeding. Only 6 lesions caused luminal narrowing. When examined by the degree of closure, the rate of luminal narrowing increased with complete closure, incomplete closure, and nonclosure (4.9%, 9.1%, and 25.0%, respectively). CONCLUSIONS Suturing may prevent post-ESD bleeding and perforation as well as stricture formation in cases of duodenal tumors, with mucosal defects occupying a large circumference.
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Affiliation(s)
- Yoko Kubosawa
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan; Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Motohiko Kato
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan; Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Motoki Sasaki
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Kentaro Iwata
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan; Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Kurato Miyazaki
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan; Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Teppei Masunaga
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Yukie Hayashi
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan; Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Mari Mizutani
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan; Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Yoshiyuki Kiguchi
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan; Preventive Healthcare Plaza, Kurashiki Central Hospital, Okayama, Japan
| | - Yusaku Takatori
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Noriko Matsuura
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Atsushi Nakayama
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Kaoru Takabayashi
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan; Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Takanori Kanai
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan
| | - Naohisa Yahagi
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
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Mizutani M, Kato M, Sasaki M, Iwata K, Miyazaki K, Masunaga T, Kubosawa Y, Hayashi Y, Takatori Y, Matsuura N, Nakayama A, Takabayashi K, Kanai T, Yahagi N. Novel closure method for a large mucosal defect after endoscopic resection: String clip suturing method with an anchor. Dig Endosc 2023; 35:394-399. [PMID: 36576227 DOI: 10.1111/den.14510] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/05/2022] [Accepted: 12/26/2022] [Indexed: 12/29/2022]
Abstract
Duodenal endoscopic submucosal dissection (ESD) is a high-risk technique; however, prophylactic closure of mucosal defects reduces the risk. Unfortunately, we have encountered cases where closure is difficult, especially in large lesions. Therefore, we developed a novel closure technique, a string clip suturing method with an anchor (SCSM-A). This study aimed to elucidate the feasibility of this method. Five patients underwent this method for the closure of mucosal defects after duodenal ESD. The initial string clip was deployed at the anal end of the mucosal defects and the second clip was deployed at the other end of the mucosal defect. A third clip was deployed on the muscular layer in the middle of the mucosal defect. The free end of the string was pulled, and additional clips were deployed around the first to the third clips for complete closure. Because of grasping the muscle layer, SCSM-A can be employed for secure closure without creating a pocket. We reviewed the background and clinical course of hospitalization of patients who underwent this method. The resected specimens ranged from 52 to 103 mm in diameter. Complete closure of the mucosal defects was possible in all the cases. There were no adverse events, and no cases required additional treatment. All the patients were discharged within 7 days. The new method achieved secure closure even for large mucosal defects after duodenal ESD. This is a technique that can be applied to other organs, e.g., the colon.
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Affiliation(s)
- Mari Mizutani
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Motohiko Kato
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Motoki Sasaki
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Kentaro Iwata
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Kurato Miyazaki
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Teppei Masunaga
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Yoko Kubosawa
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Yukie Hayashi
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan
| | - Yusaku Takatori
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Noriko Matsuura
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Atsushi Nakayama
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Kaoru Takabayashi
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan
| | - Takanori Kanai
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan
| | - Naohisa Yahagi
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
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Matsuura N, Kato M, Irino T, Hirata K, Yahagi N. Gastrointestinal: Ten-millimeter advanced duodenal cancer with a gastric phenotype. J Gastroenterol Hepatol 2023; 38:347. [PMID: 35999691 DOI: 10.1111/jgh.15978] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/21/2022] [Revised: 07/23/2022] [Accepted: 08/02/2022] [Indexed: 12/09/2022]
Affiliation(s)
- N Matsuura
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - M Kato
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - T Irino
- Division of Surgery, Keio University School of Medicine, Tokyo, Japan
| | - K Hirata
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan
| | - N Yahagi
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
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Yamasaki Y, Kato M, Takeuchi Y, Hoteya S, Oyama T, Nonaka S, Yoshimizu S, Yoshida M, Ohata K, Miura Y, Hara Y, Tsuji S, Dohi O, Ueyama H, Kurahara K, Tashima T, Abe N, Mitsuhashi T, Nakayama A, Oda I, Yahagi N. Characteristics of synchronous and metachronous duodenal tumors and association with colorectal cancer: a supplementary analysis. J Gastroenterol 2023; 58:459-469. [PMID: 36847918 DOI: 10.1007/s00535-023-01964-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/06/2022] [Accepted: 01/27/2023] [Indexed: 03/01/2023]
Abstract
BACKGROUND We previously reported outcomes of endoscopic resection for duodenal tumors in a large cohort. This study investigated the frequency and characteristics of synchronous and metachronous lesions, and their association with colorectal advanced adenoma (CAA) and colorectal cancer (CRC). METHODS Patients underwent duodenal endoscopic resection during January 2008 to December 2018. Background and characteristics, incidence of synchronous and metachronous lesions, and incidence of CAA and CRC were investigated. Patients without synchronous lesions were classified as the single group, and those with synchronous lesions as the synchronous group. Patients were also classified as the metachronous and non-metachronous groups. The characteristics among the groups were compared. RESULTS We included 2658 patients with 2881 duodenal tumors: 2472 (93.0%) patients had single, 186 (7.0%) had synchronous, and 54 (2.0%) had metachronous lesions. The 5-year cumulative incidence of metachronous lesions was 4.1%. In total, 208 (7.8%) had CAA and 127 (4.8%) patients had CRC, and colonoscopy was performed in 936 (35.2%) patients. The incidence of CAA in the synchronous groups tended to be higher compared with that in the single groups (11.8% vs 7.5%, adjusted risk ratio 1.56), and the incidence of CRC in the metachronous groups tended to be higher compared with that in the non-metachronous groups (13.0% vs 4.6%, adjusted risk ratio 2.75), but there was no difference after adjusting for colonoscopy. CONCLUSIONS This study showed the incidence of synchronous and metachronous duodenal lesions. There was no significant difference in incidence of CAA and CRC among each group, but further studies are warranted.
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Affiliation(s)
- Yasushi Yamasaki
- Department of Gastroenterology, Okayama University Hospital, 2-5-1 Shikata-Cho, Kita-Ku, Okayama, 700-8558, Japan.
| | - Motohiko Kato
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Yoji Takeuchi
- Department of Gastrointestinal Oncology and Department of Genetic Oncology, Division of Hereditary Tumors, Osaka International Cancer Institute, Osaka, Japan
| | - Shu Hoteya
- Department of Gastroenterology, Toranomon Hospital, Tokyo, Japan
| | - Tsuneo Oyama
- Department of Endoscopy, Saku Central Hospital Advanced Care Center, Nagano, Japan
| | - Satoru Nonaka
- Endoscopy Division, National Cancer Center Hospital, Tokyo, Japan
| | - Shoichi Yoshimizu
- Department of Gastroenterology, Cancer Institute Hospital of the Japanese Foundation for Cancer Research, Tokyo, Japan
| | - Masao Yoshida
- Division of Endoscopy, Shizuoka Cancer Center, Shizuoka, Japan
| | - Ken Ohata
- Department of Gastrointestinal Endoscopy, NTT Medical Center Tokyo, Tokyo, Japan
| | - Yoshimasa Miura
- Department of Medicine, Division of Gastroenterology, Jichi Medical University, Shimotsuke, Japan
| | - Yuko Hara
- Department of Endoscopy, The Jikei University School of Medicine, Tokyo, Japan
| | - Shigetsugu Tsuji
- Department of Gastroenterology, Ishikawa Prefectural Central Hospital, Kanazawa, Japan
| | - Osamu Dohi
- Molecular Gastroenterology and Hepatology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Hiroya Ueyama
- Department of Gastroenterology, Juntendo University School of Medicine, Tokyo, Japan
| | - Koichi Kurahara
- Division of Gastroenterology, Matsuyama Red Cross Hospital, Matsuyama, Japan
| | - Tomoaki Tashima
- Department of Gastroenterology, Saitama Medical University International Medical Center, Saitama, Japan
| | - Nobutsugu Abe
- Department of Gastroenterological and General Surgery, Faculty of Medicine, Kyorin University, Tokyo, Japan
| | - Toshiharu Mitsuhashi
- Center for Innovative Clinical Medicine, Okayama University Hospital, Okayama, Japan
| | - Atsushi Nakayama
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Ichiro Oda
- Endoscopy Division, National Cancer Center Hospital, Tokyo, Japan
| | - Naohisa Yahagi
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
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Tsugaru K, Sujino T, Mita M, Sasabe J, Chida A, Harada Y, Hirata K, Sukawa Y, Kato M, Kawakubo H, Hamamoto Y, Kanai T. Clinical significance of D-amino acid profile for cancer detection in early stage and prediction of efficacy of nivolumab in gastric cancer. J Clin Oncol 2023. [DOI: 10.1200/jco.2023.41.4_suppl.453] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023] Open
Abstract
453 Background: Some metabolites from gut microbiota are reported to associate with immunotherapy response. D-amino acids (D-AAs), enantiomer of L-amino acids (L-AAs), mainly produced by gut microbe and brain, are rare but important metabolite in mammals. Little is known about their biological and immunological significance in cancer patients (pts) as its difficulty of stable measurement. Methods: We first analyzed L/D-AAs in plasma of pts with each disease stage of gastric cancer (GC) before treatment, then compared with healthy control (HC). Second, we analyzed L/D-AAs in plasma of advanced GC pts planned nivolumab (NIVO) monotherapy, and compared among two groups divided based on treatment efficacy of progressive disease (PD) or non-PD. All pts with GC and HC were recruited in Keio University Hospital from October 2017 till March 2022. Concentration of L/D-AAs was measured with Two-Dimensional HPLC-MS/MS System. Results: In the first part, 108 pts with GC before treatment and 87 HC were recruited. D-Ser, D-Asn, D-Ala, D-Pro were detected in plasma of both pts with GC and HC, and their concentration was significantly higher in GC pts rather than in HC, even in pStage 1 ( p<0.0001 of each D-AA, values in table). D-Ser showed an increasing trend as the disease stage progressed. The AUC value of ROC curve to discriminate Stage 1 GC pts from HC were 0.976 with D-AAs. In the second part, 28 pts with advanced GC before NIVO monotherapy were recruited. The best response was PD in 10 pts, and non-PD in 18 pts. D-Ser and D-Asn in plasma were significantly higher in PD group rather than non-PD group ( p=0.0025 and p=0.0158, respectively). The AUC value of the ROC curve discriminating NIVO PD was highest for the equation mainly with D-Ser at 0.933. Pts with poor progression free survival (PFS) and overall survival (OS) could be distinguished by the determined cutoff value of the equation [median PFS: 1.1m vs 3.8m, HR 5.1 ( p=0.0003), median OS: 3.4m vs 18.9m, HR 7.1( p=0.0010)]. Conclusions: D-AAs in plasma significantly increased in pts with GC rather than HC even in early stage. Moreover, higher D-Ser in plasma associated with poor efficacy and prognosis of NIVO in GC pts. We firstly reported D-AA is a novel biomarker of both cancer detection and efficacy of NIVO.[Table: see text]
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Affiliation(s)
- Kai Tsugaru
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan
| | - Tomohisa Sujino
- Center for Diagnositc and Therapeutic Endoscopy, Keio University Hospital, Tokyo, Japan
| | | | - Jumpei Sasabe
- Department of Pharmacology and Chiral Biology, Keio University School of Medicine, Tokyo, Japan
| | - Akihiko Chida
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan
| | - Yosuke Harada
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan
| | - Kenro Hirata
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan
| | - Yasutaka Sukawa
- Department of Gastroenterology, Department of Clinical Oncology, National Hospital Organization Tokyo Medical Center, Tokyo, Japan
| | - Motohiko Kato
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Hirofumi Kawakubo
- Division of General and Gastroenterological Surgery, Keio University School of Medicine, Tokyo, Japan
| | - Yasuo Hamamoto
- Division of outpatient chemotherapy, Cancer center, Keio University School of Medicine, Tokyo, Japan
| | - Takanori Kanai
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan
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Masunaga T, Kato M, Sasaki M, Iwata K, Miyazaki K, Kubosawa Y, Mizutani M, Takatori Y, Matsuura N, Nakayama A, Takabayashi K, Yahagi N. Modified double-layered suturing for a mucosal defect after colorectal endoscopic submucosal dissection (Origami method) (with video). Gastrointest Endosc 2023; 97:962-969. [PMID: 36642200 DOI: 10.1016/j.gie.2023.01.005] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/25/2022] [Revised: 12/31/2022] [Accepted: 01/04/2023] [Indexed: 01/17/2023]
Abstract
BACKGROUND AND AIMS Through-the-scope clips (TTSCs) are among the most common devices used to close colorectal post-endoscopic submucosal dissection (ESD) defects. Although TTSCs are easy to deliver, even to the proximal colon, simple clipping of large defects results in mucosa-mucosa closure, which could be unreliable. We developed a novel endoscopic closure technique using a modified double-layered suturing called the origami method (OGM). This method closes not only the mucosal layer but also the muscle layer with only TTSCs, which can obtain robust closure even for large defects. This study aimed to evaluate the feasibility of this new closure method for colorectal post-ESD defects. METHODS This retrospective observational study was conducted at a tertiary care hospital. We reviewed the cases of the OGM attempted after colorectal ESD at our institute between October 2021 and October 2022 and measured the clinical characteristics and outcomes of enrolled cases. RESULTS The OGM was attempted in 47 cases after colorectal ESD. Thirty-one cases (66%) were in the proximal colon, 5 (11%) in the distal colon, 6 (13%) in the upper rectum, and 5 (10%) in the lower rectum. The median defect size was 38 mm, with the largest being 85 mm. Complete closure was achieved in 44 cases (94%), including all lower rectum cases. No perforations were caused by clips during closure, and delayed perforation and bleeding were not observed. CONCLUSIONS This new closure method is feasible and recommended. The OGM could achieve reliable closure of large defects in any location, including the proximal colon and thick-walled lower rectum, using only TTSCs.
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Affiliation(s)
- Teppei Masunaga
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Motohiko Kato
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Motoki Sasaki
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Kentaro Iwata
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Kurato Miyazaki
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Yoko Kubosawa
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Mari Mizutani
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Yusaku Takatori
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Noriko Matsuura
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Atsushi Nakayama
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Kaoru Takabayashi
- Center for Diagnostic and Therapeutic Endoscopy, Keio University School of Medicine, Tokyo, Japan
| | - Naohisa Yahagi
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
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Fujisawa T, Tsuchiya T, Kato M, Mizuide M, Takakura K, Nishimura M, Kutsumi H, Matsuda Y, Arai T, Ryozawa S, Itoi T, Isayama H, Saya H, Yahagi N. STNM01, the RNA oligonucleotide targeting carbohydrate sulfotransferase 15, as second-line therapy for chemotherapy-refractory patients with unresectable pancreatic cancer: An open label, phase I/IIa trial. EClinicalMedicine 2023; 55:101731. [PMID: 36425867 PMCID: PMC9678806 DOI: 10.1016/j.eclinm.2022.101731] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Revised: 10/16/2022] [Accepted: 10/18/2022] [Indexed: 11/18/2022] Open
Abstract
BACKGROUND The impact of stroma-targeting therapy on tumor immune suppression is largely unexplored. An RNA oligonucleotide, STNM01, has been shown to repress carbohydrate sulfotransferase 15 (CHST15) responsible for tumor proteoglycan synthesis and matrix remodeling. This phase I/IIa study aimed to evaluate the safety and efficacy of STNM01 in patients with unresectable pancreatic ductal adenocarcinoma (PDAC). METHODS This was an open-label, dose-escalation study of STNM01 as second-line therapy in gemcitabine plus nab-paclitaxel-refractory PDAC. A cycle comprised three 2-weekly endoscopic ultrasound-guided locoregional injections of STNM01 at doses of 250, 1,000, 2,500, or 10,000 nM in combination with S-1 (80-120 mg twice a day for 14 days every 3 weeks). The primary outcome was the incidence of dose-liming toxicity (DLT). The secondary outcomes included overall survival (OS), tumor response, changes in tumor microenvironment on immunohistopathology, and safety (jRCT2031190055). FINDINGS A total of 22 patients were enrolled, and 3 cycles were repeated at maximum; no DLT was observed. The median OS was 7.8 months. The disease control rate was 77.3%; 1 patient showed complete disappearance of visible lesions in the pancreas and tumor-draining lymph nodes. Higher tumoral CHST15 expression was associated with poor CD3+ and CD8+ T cell infiltration at baseline. STNM01 led to a significant reduction in CHST15, and increased tumor-infiltrating CD3+ and CD8+ T cells in combination with S-1 at the end of cycle 1. Higher fold increase in CD3+ T cells correlated with longer OS. There were 8 grade 3 adverse events. INTERPRETATION Locoregional injection of STNM01 was well tolerated in patients with unresectable PDAC as combined second-line therapy. It prolonged survival by enhancing T cell infiltration in tumor microenvironment. FUNDING The present study was supported by the Japan Agency for Medical Research and Development (AMED).
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Key Words
- 5-FU, fluorouracil
- AMED, Japan Agency for Medical Research and Development
- CHST15, carbohydrate sulfotransferase 15
- CI, confidence interval
- CS-E, chondroitin sulfate E
- CTCAE, Common Terminology Criteria for Adverse Events
- Carbohydrate sulfotransferase 15 (CHST15)
- DCR, disease control rate
- DLT, dose-liming toxicity
- ECM, extracellular matrix
- EMT, epithelial mesenchymal transition
- EUS-FNI, endoscopic ultrasound-guided fine needle injection
- Endoscopic ultrasound-guided fine needle injection
- FAS, full analysis set
- GM-CSF, Granulocyte-macrophage colony-stimulating factor
- IQR, interquartile range
- IRB, Institutional Review Board
- LV, leucovorin
- MTD, maximum tolerated dose
- OS, overall survival
- PDAC, pancreatic ductal adenocarcinoma
- PFS, progression free survival
- STNM01
- TEAE, treatment emergent adverse event
- TGF, transforming growth factor
- Tumor-infiltrating CD3+ and CD8+ T cells
- Unresectable pancreatic cancer
- nal-IRI, nanoliposomal irinotecan
- sCD44v6, soluble CD44 variant 6
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Affiliation(s)
- Toshio Fujisawa
- Department of Gastroenterology, Graduate School of Medicine, Juntendo University, Bunkyo-ku, Tokyo, Japan
| | - Takayoshi Tsuchiya
- Department of Gastroenterology and Hepatology, Tokyo Medical University, Shinjuku-ku, Tokyo, Japan
| | - Motohiko Kato
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Shinjuku-ku, Tokyo, Japan
| | - Masafumi Mizuide
- Department of Gastroenterology, Saitama Medical University International Medical Center, Hidaka, Saitama, Japan
| | - Kazuki Takakura
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Jikei University School of Medicine, Minato-ku, Tokyo, Japan
| | - Makoto Nishimura
- Department of Gastroenterology, Hepatology and Nutrition, Memorial Sloan-Kettering Cancer Center, New York, NY, USA
| | - Hiromu Kutsumi
- Center for Clinical Research and Advanced Medicine, Shiga University of Medical Science, Otsu, Shiga, Japan
| | - Yoko Matsuda
- Oncology Pathology, Department of Pathology and Host-Defense, Kagawa University, Takamastu, Kagawa, Japan
| | - Tomio Arai
- Department of Pathology, Tokyo Metropolitan Geriatric Hospital and Institute of Gerontology, Itabashi-ku, Tokyo, Japan
| | - Shomei Ryozawa
- Department of Gastroenterology, Saitama Medical University International Medical Center, Hidaka, Saitama, Japan
| | - Takao Itoi
- Department of Gastroenterology and Hepatology, Tokyo Medical University, Shinjuku-ku, Tokyo, Japan
| | - Hiroyuki Isayama
- Department of Gastroenterology, Graduate School of Medicine, Juntendo University, Bunkyo-ku, Tokyo, Japan
| | - Hideyuki Saya
- Division of Gene Regulation, Institute for Advanced Medical Research, Keio University School of Medicine, Shinjuku-ku, Tokyo, Japan
| | - Naohisa Yahagi
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Shinjuku-ku, Tokyo, Japan
- Corresponding author. Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Shinjuku-ku, Tokyo, 160-8542, Japan.
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Kano Y, Kasami S, Murata K, Kato M. Response to: Skin reactions to mRNA-1273 SARS-CoV-2 vaccine. QJM 2022; 115:879. [PMID: 35038737 DOI: 10.1093/qjmed/hcac010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/06/2022] [Accepted: 01/06/2022] [Indexed: 12/15/2022] Open
Affiliation(s)
- Y Kano
- Department of Dermatology, Tokyo Metropolitan Tama Medical Center, 2-8-29 Musashidai, Fuchu, Tokyo 183-8524, Japan
- Department of General Internal Medicine, Tokyo Metropolitan Tama Medical Center, 2-8-29 Musashidai, Fuchu, Tokyo 183-8524, Japan
| | - S Kasami
- Department of Dermatology, Tokyo Metropolitan Tama Medical Center, 2-8-29 Musashidai, Fuchu, Tokyo 183-8524, Japan
| | - K Murata
- Department of Respiratory Medicine, Tokyo Metropolitan Tama Medical Center, 2-8-29 Musashidai, Fuchu, Tokyo 183-8524, Japan
| | - M Kato
- Department of Dermatology, Tokyo Metropolitan Tama Medical Center, 2-8-29 Musashidai, Fuchu, Tokyo 183-8524, Japan
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Nakagawa K, Sho M, Fujishiro M, Kakushima N, Horimatsu T, Okada KI, Iguchi M, Uraoka T, Kato M, Yamamoto Y, Aoyama T, Akahori T, Eguchi H, Kanaji S, Kanetaka K, Kuroda S, Nagakawa Y, Nunobe S, Higuchi R, Fujii T, Yamashita H, Yamada S, Narita Y, Honma Y, Muro K, Ushiku T, Ejima Y, Yamaue H, Kodera Y. Clinical practice guidelines for duodenal cancer 2021. J Gastroenterol 2022; 57:927-941. [PMID: 36260172 PMCID: PMC9663352 DOI: 10.1007/s00535-022-01919-y] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/15/2022] [Accepted: 09/03/2022] [Indexed: 02/07/2023]
Abstract
Duodenal cancer is considered to be a small intestinal carcinoma in terms of clinicopathology. In Japan, there are no established treatment guidelines based on sufficient scientific evidence; therefore, in daily clinical practice, treatment is based on the experience of individual physicians. However, with advances in diagnostic modalities, it is anticipated that opportunities for its detection will increase in future. We developed guidelines for duodenal cancer because this disease is considered to have a high medical need from both healthcare providers and patients for appropriate management. These guidelines were developed for use in actual clinical practice for patients suspected of having non-ampullary duodenal epithelial malignancy and for patients diagnosed with non-ampullary duodenal epithelial malignancy. In this study, a practice algorithm was developed in accordance with the Minds Practice Guideline Development Manual 2017, and Clinical Questions were set for each area of epidemiology and diagnosis, endoscopic treatment, surgical treatment, and chemotherapy. A draft recommendation was developed through a literature search and systematic review, followed by a vote on the recommendations. We made decisions based on actual clinical practice such that the level of evidence would not be the sole determinant of the recommendation. This guideline is the most standard guideline as of the time of preparation. It is important to decide how to handle each case in consultation with patients and their family, the treating physician, and other medical personnel, considering the actual situation at the facility (and the characteristics of the patient).
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Affiliation(s)
- Kenji Nakagawa
- The Japan Duodenal Cancer Guideline Committee, 840 Shijo-cho, Kashihara, Nara, 634-8522, Japan
| | - Masayuki Sho
- The Japan Duodenal Cancer Guideline Committee, 840 Shijo-cho, Kashihara, Nara, 634-8522, Japan.
- Department of Surgery, Nara Medical University, 840 Shijo-cho, Kashihara, Nara, 634-8522, Japan.
| | - Mitsuhiro Fujishiro
- The Japan Duodenal Cancer Guideline Committee, 840 Shijo-cho, Kashihara, Nara, 634-8522, Japan
| | - Naomi Kakushima
- The Japan Duodenal Cancer Guideline Committee, 840 Shijo-cho, Kashihara, Nara, 634-8522, Japan
| | - Takahiro Horimatsu
- The Japan Duodenal Cancer Guideline Committee, 840 Shijo-cho, Kashihara, Nara, 634-8522, Japan
| | - Ken-Ichi Okada
- The Japan Duodenal Cancer Guideline Committee, 840 Shijo-cho, Kashihara, Nara, 634-8522, Japan
| | - Mikitaka Iguchi
- The Japan Duodenal Cancer Guideline Committee, 840 Shijo-cho, Kashihara, Nara, 634-8522, Japan
| | - Toshio Uraoka
- The Japan Duodenal Cancer Guideline Committee, 840 Shijo-cho, Kashihara, Nara, 634-8522, Japan
| | - Motohiko Kato
- The Japan Duodenal Cancer Guideline Committee, 840 Shijo-cho, Kashihara, Nara, 634-8522, Japan
| | - Yorimasa Yamamoto
- The Japan Duodenal Cancer Guideline Committee, 840 Shijo-cho, Kashihara, Nara, 634-8522, Japan
| | - Toru Aoyama
- The Japan Duodenal Cancer Guideline Committee, 840 Shijo-cho, Kashihara, Nara, 634-8522, Japan
| | - Takahiro Akahori
- The Japan Duodenal Cancer Guideline Committee, 840 Shijo-cho, Kashihara, Nara, 634-8522, Japan
| | - Hidetoshi Eguchi
- The Japan Duodenal Cancer Guideline Committee, 840 Shijo-cho, Kashihara, Nara, 634-8522, Japan
| | - Shingo Kanaji
- The Japan Duodenal Cancer Guideline Committee, 840 Shijo-cho, Kashihara, Nara, 634-8522, Japan
| | - Kengo Kanetaka
- The Japan Duodenal Cancer Guideline Committee, 840 Shijo-cho, Kashihara, Nara, 634-8522, Japan
| | - Shinji Kuroda
- The Japan Duodenal Cancer Guideline Committee, 840 Shijo-cho, Kashihara, Nara, 634-8522, Japan
| | - Yuichi Nagakawa
- The Japan Duodenal Cancer Guideline Committee, 840 Shijo-cho, Kashihara, Nara, 634-8522, Japan
| | - Souya Nunobe
- The Japan Duodenal Cancer Guideline Committee, 840 Shijo-cho, Kashihara, Nara, 634-8522, Japan
| | - Ryota Higuchi
- The Japan Duodenal Cancer Guideline Committee, 840 Shijo-cho, Kashihara, Nara, 634-8522, Japan
| | - Tsutomu Fujii
- The Japan Duodenal Cancer Guideline Committee, 840 Shijo-cho, Kashihara, Nara, 634-8522, Japan
| | - Hiroharu Yamashita
- The Japan Duodenal Cancer Guideline Committee, 840 Shijo-cho, Kashihara, Nara, 634-8522, Japan
| | - Suguru Yamada
- The Japan Duodenal Cancer Guideline Committee, 840 Shijo-cho, Kashihara, Nara, 634-8522, Japan
| | - Yukiya Narita
- The Japan Duodenal Cancer Guideline Committee, 840 Shijo-cho, Kashihara, Nara, 634-8522, Japan
| | - Yoshitaka Honma
- The Japan Duodenal Cancer Guideline Committee, 840 Shijo-cho, Kashihara, Nara, 634-8522, Japan
| | - Kei Muro
- The Japan Duodenal Cancer Guideline Committee, 840 Shijo-cho, Kashihara, Nara, 634-8522, Japan
| | - Tetsuo Ushiku
- The Japan Duodenal Cancer Guideline Committee, 840 Shijo-cho, Kashihara, Nara, 634-8522, Japan
| | - Yasuo Ejima
- The Japan Duodenal Cancer Guideline Committee, 840 Shijo-cho, Kashihara, Nara, 634-8522, Japan
| | - Hiroki Yamaue
- The Japan Duodenal Cancer Guideline Committee, 840 Shijo-cho, Kashihara, Nara, 634-8522, Japan
| | - Yasuhiro Kodera
- The Japan Duodenal Cancer Guideline Committee, 840 Shijo-cho, Kashihara, Nara, 634-8522, Japan
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Miyazaki K, Kato M, Sasaki M, Iwata K, Masunaga T, Kubosawa Y, Hayashi Y, Mizutani M, Kiguchi Y, Takatori Y, Mutaguchi M, Matsuura N, Nakayama A, Takabayashi K, Kanai T, Yahagi N. Red dichromatic imaging reduces bleeding and hematoma during submucosal injection in esophageal endoscopic submucosal dissection. Surg Endosc 2022; 36:8076-8085. [PMID: 35437640 DOI: 10.1007/s00464-022-09244-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Accepted: 04/02/2022] [Indexed: 01/06/2023]
Abstract
BACKGROUND Bleeding and hematoma formation during submucosal injection in esophageal endoscopic submucosal dissection (ESD) reduce the visibility of the submucosa. Red dichromatic imaging (RDI) is an endoscopic technique that provides better visualization of the deep submucosal blood vessels. We speculated that blood vessel injury could be avoided with RDI. This pilot study evaluated the role of RDI in preventing bleeding and hematoma formation during esophageal ESD. METHODS This was a single-center retrospective observational study. We examined 60 patients who underwent ESD with white light imaging (WLI) and RDI. A single endoscopist reviewed all of the surgical videos to document the incidence and severity of bleeding episodes. Eighteen videos provided adequate quality and detail, and the number of blood vessels traversing the mucosal incision lines of the lesions in these videos was evaluated under WLI and RDI. RESULTS The WLI group had a significantly higher incidence of hematomas per unit area compared to the RDI group (0.18/cm2 [range 0-0.38] vs. 0 [0-0.18]/cm2, p = 0.024). The WLI group also had a significantly higher incidence of total bleeding episodes compared to the RDI group (42.9% [range 21.7-60.4] vs 16.7% [range 13.8-22.9], p < 0.001). Significantly more blood vessels were visible under RDI compared to WLI (5 [range 4-8] vs. 2 [range 1-5], p = 0.0020). CONCLUSION RDI reduced the incidence of bleeding and hematoma formation during submucosal injection in esophageal ESD. It was assumed that the improvement of blood vessel visibility by RDI might have contributed to the result.
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Affiliation(s)
- Kurato Miyazaki
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan.,Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo, 160-8582, Japan
| | - Motohiko Kato
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan. .,Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo, 160-8582, Japan.
| | - Motoki Sasaki
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo, 160-8582, Japan
| | - Kentaro Iwata
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan.,Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo, 160-8582, Japan
| | - Teppei Masunaga
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo, 160-8582, Japan
| | - Yoko Kubosawa
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan.,Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo, 160-8582, Japan
| | - Yukie Hayashi
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan
| | - Mari Mizutani
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan.,Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo, 160-8582, Japan
| | - Yoshiyuki Kiguchi
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo, 160-8582, Japan
| | - Yusaku Takatori
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo, 160-8582, Japan
| | - Makoto Mutaguchi
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Saitama City Hospital, Saitama, Japan
| | - Noriko Matsuura
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo, 160-8582, Japan
| | - Atsushi Nakayama
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo, 160-8582, Japan
| | - Kaoru Takabayashi
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan
| | - Takanori Kanai
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan
| | - Naohisa Yahagi
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo, 160-8582, Japan
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Hayashi Y, Hosoe N, Takabayashi K, Limpias Kamiya KJL, Tojo A, Sakurai H, Kinoshita S, Sujino T, Nakayama A, Kato M, Yahagi N, Ogata H, Kanai T. Efficacy of capnographic and bispectral index monitoring on trans-oral therapeutic endoscopy: A prospective observational study. J Gastroenterol Hepatol 2022; 37:2004-2010. [PMID: 35772179 DOI: 10.1111/jgh.15932] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/21/2022] [Revised: 05/06/2022] [Accepted: 06/18/2022] [Indexed: 12/09/2022]
Abstract
BACKGROUND AND AIM Oral therapeutic and invasive endoscopy requires deep sedation to reduce patient distress due to prolonged examination and procedures. The usefulness of capnography and bispectral index (BIS) monitoring in the early hypoxia detection in oral therapeutic and invasive endoscopy has yet to be evaluated. This study aimed to investigate the clinical impact of capnography and BIS monitoring on hypoxic events during oral therapeutic and invasive endoscopic procedures. METHODS This is a prospective observational study. Trans-oral non-intubated therapeutic and/or invasive endoscopic procedures were performed with conventional monitoring (pulse oximetry, pulse, and blood pressure) as well as additional monitoring (BIS and end-tidal CO2 concentration). Hypoxia is defined as oxygen saturation of <90% that lasts >15 s. The clinical impact of capnography and BIS monitoring on hypoxic events during oral therapeutic and invasive endoscopic procedures were investigated with the risk factors for hypoxia in each patient. RESULTS Patients with hypoxia had significantly more apneas detected using capnography than other patients. The multivariate analysis revealed the detected apnea by capnography as an independent risk factor for hypoxia (odds ratio: 3.48[95% confidence interval: 1.24-9.78], P = 0.02). The BIS was not significantly different as a risk factor for hypoxia; however, per-event analysis revealed significantly decreased BIS values over time in 3 min before hypoxic events. CONCLUSIONS Apnea detected by capnography was an independent predictor of hypoxia. The BIS value was not associated with hypoxia events; however, it showed a significant downward trend before hypoxia events.
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Affiliation(s)
- Yukie Hayashi
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan
| | - Naoki Hosoe
- Center for Diagnostic and Therapeutic Endoscopy, Keio University School of Medicine, Tokyo, Japan
| | - Kaoru Takabayashi
- Center for Diagnostic and Therapeutic Endoscopy, Keio University School of Medicine, Tokyo, Japan
| | - Kenji J L Limpias Kamiya
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan
| | - Anna Tojo
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan
| | - Hinako Sakurai
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan
| | - Satoshi Kinoshita
- Center for Diagnostic and Therapeutic Endoscopy, Keio University School of Medicine, Tokyo, Japan
| | - Tomohisa Sujino
- Center for Diagnostic and Therapeutic Endoscopy, Keio University School of Medicine, Tokyo, Japan
| | - Atsushi Nakayama
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Motohiko Kato
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan
| | - Naohisa Yahagi
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Haruhiko Ogata
- Center for Diagnostic and Therapeutic Endoscopy, Keio University School of Medicine, Tokyo, Japan
| | - Takanori Kanai
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan
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Sootome H, Muraoka H, Aoyagi Y, Kato M, Hirai H. Covalent FGFR inhibitor futibatinib exhibits sustained antitumor effects compared with ATP-competitive inhibitors by being less prone to ontarget resistance. Eur J Cancer 2022. [DOI: 10.1016/s0959-8049(22)01005-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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45
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Miyazaki K, Kato M, Sasaki M, Masunaga T, Nakayama A, Kanai T, Yahagi N. Successful hemostasis of a parapapillary diverticular hemorrhage by the retroflexion technique in the descending part of duodenum. Endoscopy 2022; 55:E66-E67. [PMID: 36179715 PMCID: PMC9829758 DOI: 10.1055/a-1931-4161] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Affiliation(s)
- Kurato Miyazaki
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan,Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Motohiko Kato
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Motoki Sasaki
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Teppei Masunaga
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Atsushi Nakayama
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Takanori Kanai
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan
| | - Naohisa Yahagi
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
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Masunaga T, Kato M, Yahagi N. Endoscopic closure, involving the muscle layer, of a duodenal post-resection mucosal defect using double-layer suturing assisted by reopenable clips. Endoscopy 2022; 54:E1070-E1071. [PMID: 36049764 PMCID: PMC9737434 DOI: 10.1055/a-1918-1051] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Teppei Masunaga
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Motohiko Kato
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Naohisa Yahagi
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
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Kato M, Takeuchi Y, Hoteya S, Oyama T, Nonaka S, Yoshimizu S, Kakushima N, Ohata K, Yamamoto H, Hara Y, Doyama H, Dohi O, Yamasaki Y, Ueyama H, Takimoto K, Kurahara K, Tashima T, Abe N, Nakayama A, Oda I, Yahagi N. Outcomes of endoscopic resection for superficial duodenal tumors: 10 years' experience in 18 Japanese high volume centers. Endoscopy 2022; 54:663-670. [PMID: 34496422 DOI: 10.1055/a-1640-3236] [Citation(s) in RCA: 35] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
BACKGROUND Data on endoscopic resection (ER) for superficial duodenal epithelial tumors (SDETs) are insufficient owing to their rarity. There are two main ER techniques for SDETs: endoscopic mucosal resection (EMR) and endoscopic submucosal dissection (ESD). In addition, modified EMR techniques, such as underwater EMR (UEMR) and cold polypectomy, are becoming popular. We conducted a large-scale retrospective multicenter study to clarify the detailed outcomes of duodenal ER. METHODS Patients with SDETs who underwent ER at 18 institutions from January 2008 to December 2018 were included. The rates of en bloc resection and delayed adverse events (AEs; defined as delayed bleeding or perforation) were analyzed. Local recurrence was analyzed using the Kaplan-Meier method. RESULTS In total, 3107 patients (including 1017 undergoing ESD) were included. En bloc resection rates were 79.1 %, 78.6 %, 86.8 %, and 94.8 %, and delayed AE rates were 0.5 %, 2.2 %, 2.8 %, and 6.8 % for cold polypectomy, UEMR, EMR and ESD, respectively. The delayed AE rate was significantly higher in the ESD group than in non-ESD groups for lesions < 19 mm (7.4 % vs. 1.9 %; P < 0.001), but not for lesions > 20 mm (6.1 % vs. 7.1 %; P = 0.64). The local recurrence rate was significantly lower in the ESD group than in the non-ESD groups (P < 0.001). Furthermore, for lesions > 30 mm, the cumulative local recurrence rate at 2 years was 22.6 % in the non-ESD groups compared with only 1.6 % in the ESD group (P < 0.001). CONCLUSIONS ER outcomes for SDETs were generally acceptable. ESD by highly experienced endoscopists might be an option for very large SDETs.
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Affiliation(s)
- Motohiko Kato
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Yoji Takeuchi
- Department of Gastrointestinal Oncology, Osaka International Cancer Institute, Osaka, Japan
| | - Shu Hoteya
- Department of Gastroenterology, Toranomon Hospital, Tokyo, Japan
| | - Tsuneo Oyama
- Department of Endoscopy, Saku Central Hospital Advanced Care Center, Nagano, Japan
| | - Satoru Nonaka
- Endoscopy Division, National Cancer Center Hospital, Tokyo, Japan
| | - Shoichi Yoshimizu
- Department of Gastroenterology, Cancer Institute Hospital of the Japanese Foundation for Cancer Research, Tokyo, Japan
| | - Naomi Kakushima
- Division of Endoscopy, Shizuoka Cancer Center, Shizuoka, Japan
| | - Ken Ohata
- Department of Gastrointestinal Endoscopy, NTT Medical Center Tokyo, Tokyo, Japan
| | - Hironori Yamamoto
- Department of Medicine, Division of Gastroenterology, Jichi Medical University, Shimotsuke, Japan
| | - Yuko Hara
- Department of Endoscopy, The Jikei University School of Medicine, Tokyo, Japan
| | - Hisashi Doyama
- Department of Gastroenterology, Ishikawa Prefectural Central Hospital, Kanazawa, Japan
| | - Osamu Dohi
- Department of Molecular Gastroenterology and Hepatology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Yasushi Yamasaki
- Department of Gastroenterology, Okayama University Hospital, Okayama, Japan
| | - Hiroya Ueyama
- Department of Gastroenterology, Juntendo University School of Medicine, Tokyo, Japan
| | - Kengo Takimoto
- Department of Gastroenterology, National Hospital Organization Kyoto Medical Center, Kyoto, Japan
| | - Koichi Kurahara
- Division of Gastroenterology, Matsuyama Red Cross Hospital, Matsuyama, Japan
| | - Tomoaki Tashima
- Department of Gastroenterology, Saitama Medical University International Medical Center, Saitama, Japan
| | - Nobutsugu Abe
- Department of Surgery, Kyorin University School of Medicine, Tokyo, Japan
| | - Atsushi Nakayama
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Ichiro Oda
- Endoscopy Division, National Cancer Center Hospital, Tokyo, Japan
| | - Naohisa Yahagi
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
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Komiya A, Kawai K, Sujino T, Iijima M, Tsukamoto S, Kato M, Tajima M, Takayanagi Y, Nako Y, Hiraoka K, Uchida N, Ishikawa S, Ichikawa T. O-015 Results of urological consultation in the setting of IVF clinic. Hum Reprod 2022. [DOI: 10.1093/humrep/deac104.015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Abstract
Study question
In the management of male infertility, we investigated whether urological consultation could improve the live birth rate, and who should visit urologists in the setting of IVF clinic.
Summary answer
Urologic consultation resulted in improvement of semen quality and live birth rate with more IVF use in those with adverse semen parameters.
What is known already
Male factor infertility exists in about a half of infertility couples. This accounts for about 8% in male reproductive age. Therefore, ideally every male partner of infertility couples attempting conception should have a urological evaluation. However, it is not very easy to access urologists who specialized in reproductive medicine in Japan because we have very few of such urologists. One the other hand, a certain number of couples are wasting their time during IVF failure without urological evaluation.
Study design, size, duration
This is a single-institution retrospective study. We enrolled male partners of infertility couples who visited Kameda IVF clinic Makuhari, Chiba, Japan, between May 2016 and December 2020 and followed at least one year. Live birth rate and the frequency of IVF use were investigated according to semen quality and urological consultation status. Chi-square tests and T tests were used to compare the results between groups.
Participants/materials, setting, methods
Among 2225 couples who visited Kameda IVF clinic Makuhari, 803 male partners (Group A, 36.0%) were evaluated by urologists who were specialized in male reproductive medicine. Remaining 1422 patients did not (Group B, 64.0%). Lifestyle evaluation, physical examination, semen analyses, scrotal ultrasonography, blood test including sexual hormones and zinc concentration were performed in Group A. Semen analyses and lifestyle evaluation were performed in Group B. Urological treatments were done according to factors of male infertility.
Main results and the role of chance
Semen quality was worse in Group A as compared to Group B (sperm motility, 28.5±16.9% vs. 46.0±17.0%; total sperm count, 105±108 million/mL vs. 176±155; total motile sperm count, 34±49 vs.87±98; mean±S.D.; p = 0.0001, 0.0001, 0.0001, A vs. B, respectively). After urologic consultation and managements, sperm motility was improved to 34±18% (p = 0.001). Live birth rate in groups A and B were similar (56.0% vs. 57.2%), however couples who obtained a child in Group A used IVF more often than those in Group B (70% vs. 49.9%, p < 0.001). Among those with adverse semen quality (total motile sperm count less than 15.6 million/mL, n = 472), 350 visited urologists (Group 1, 74.2%) and remaining 122 did not (Group 2, 25.8%). Live birth rate in Group 1 was significantly better than in Group 2 (65.3% vs. 54.1%, p = 0.0359). Use of IVF was significantly more frequent in Group 1 than Group 2 (79.3% vs. 63.6%, p = 0.0359) among who obtained a child. In those with better semen quality (motile sperm count >50 million, n = 900), 119 visited urologist (31.1%, Group 3) and 781 did not (Group 4). Live birth rate and the use of IVF were not different between Groups 3 and 4 (51.1% vs.60.9%; 50.4% vs. 62.9%).
Limitations, reasons for caution
This study is a single-institution, retrospective study in the setting of IVF clinic. There may be a selection bias since men first visit gynecologists. These could affect the study results.
Wider implications of the findings
In the setting of IVF clinic, urologic consultation resulted in improved semen quality and better live birth rate with the use of IVF, especially in those who have adverse semen parameters. The results of this study encourage patients to see urologists and physicians to introduce urologist to patients.
Trial registration number
not applicable
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Affiliation(s)
- A Komiya
- Chiba University Hospital, Urology, Chiba-shi , Japan
| | - K Kawai
- Kameda IVF Clinic Makuhari, Reproductive Medicine, Chiba-shi , Japan
| | - T Sujino
- Kameda IVF Clinic Makuhari, Reproductive Medicine, Chiba-shi , Japan
| | - M Iijima
- Kanazawa University Hospital, Urology, Kanazawa-shi , Japan
| | - S Tsukamoto
- Touyu Clinic Shinmatsudo, Urology, Matsudo-shi , Japan
| | - M Kato
- Chiba University Hospital, Urology, Chiba-shi , Japan
| | - M Tajima
- Kameda IVF Clinic Makuhari, Reproductive Medicine, Chiba-shi , Japan
| | - Y Takayanagi
- Kameda IVF Clinic Makuhari, Reproductive Medicine, Chiba-shi , Japan
| | - Y Nako
- Kameda IVF Clinic Makuhari, Reproductive Medicine, Chiba-shi , Japan
| | - K Hiraoka
- Kameda IVF Clinic Makuhari, Reproductive Medicine, Chiba-shi , Japan
| | - N Uchida
- Kameda IVF Clinic Makuhari, Reproductive Medicine, Chiba-shi , Japan
| | - S Ishikawa
- Kameda IVF Clinic Makuhari, Reproductive Medicine, Chiba-shi , Japan
| | - T Ichikawa
- Chiba University Hospital, Urology, Chiba-shi , Japan
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Takahashi T, Shimazaki K, Tanimura Y, Amagai A, Sawado A, Akaike H, Mogi M, Kaneko S, Kato M, Okimura T, Miki T, Ezoe K, Kato K, Borini A, Coticchio G. P-152 The first morphokinetic map of human abnormal fertilisation. Hum Reprod 2022. [DOI: 10.1093/humrep/deac107.147] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Abstract
Study question
What are the similarities and differences between the morphokinetics of abnormal, one- (1PN) and three-pronuclear (3PN) and normal bi-pronuclear (2PN) fertilisation?
Summary answer
The morphokinetic analysis of 1PN/3PN fertilisation reveals novel aspects of abnormal early development.
What is known already
Assisted reproduction technology has allowed the observation of early human development. Initially assessed statically at a single time point, fertilization has revealed its complexity once observed by Time-Lapse Microscopy (TLM). Detailed morphokinetic analysis of fertilisation has been reported in the last few years, unveiling previously unknown cytoplasmic phenomena (e.g. the cytoplasmic wave and halo) and the importance of cell symmetry for embryo development. At present, abnormal fertilization remains neglected, despite potential for understanding the physiology and pathology of early human development.
Study design, size, duration
This retrospective study involved TLM observation of normally (2PN, n = 2,685) and abnormally (1PN, n = 41; 3PN, n = 127) fertilised oocytes generated in ICSI cycles. Oocyte retrievals were carried out after the clomiphene citrate-based minimal ovarian stimulation, between October 2019 and December 2020. Oocytes of patients with different diagnoses of infertility were included in the analysis, while cases involving cryopreserved gametes or surgically retrieved sperm were excluded.
Participants/materials, setting, methods
Microinjected oocytes were assessed by a combined TLM-culture system (Embryoscope). Oocytes not suitable for TLM assessment, due to excess of residual corona cells or inadequate orientation for correct observation, were not analysed. Phenomena, relevant to meiotic resumption, pronuclear dynamics, cytoplasmic/cortical modifications, cleavage pattern, and embryo quality, were annotated and compared between groups.
Main results and the role of chance
Second polar body (PBII) extrusion was observed in all 1PN- and in a majority of 3PN-zygotes (92.1%). A 0.3-hour delay in PBII extrusion was confirmed in 3PN-zygotes (P = 0.0439). In a significant proportion of 3PN-zygotes, a third (female) PN formed from reabsorption of the PBII. The cytoplasmic wave was observed not only in 2PN- and 3PN-, but also in 1PN-zygotes. The presence and position of cytoplasmic halo were comparable among the three classes of zygotes. However, the duration of the cytoplasmic halo was prolonged in 1PN-zygotes (P < 0.0001). PN juxtaposition immediately before PN breakdown was less frequent in 3PN- compared with 2PN-zygotes (P = 0.0159). Furthermore, asynchronous PN breakdown was increased in 3PN- compared with 2PN-zygotes (P = 0.0026). The PN area of 1PN- was larger than that of 2PN-zygotes; however, the PN area of 3PN-zygotes was smaller than that of 2PN-zygotes. In 1PN-zygotes, a developmental delay was observed starting from the disappearance of the cytoplasmic halo, reaching 9 hours at the time of cleavage (P < 0.0001). A higher incidence of abnormal cleavage (P = 0.0019) and blastomere fragmentation (P < 0.0001) was observed in 1PN-zygotes. Cleavage progression was increasingly affected especially in 1PN-zygotes, resulting in blastocyst formation rates of 70.2%, 12.2% and 53.5% in 2PN-, 1PN- and 3PN-zygotes, respectively (P < 0.0001).
Limitations, reasons for caution
The study data derive from treatments carried out in a single centre. The study findings therefore require independent verification from other research groups.
Wider implications of the findings
These observations suggest that 1PN and 3PN fertilisation follow the general pattern of normal fertilization. Crucially, they also shed light on diverse and previously undescribed phenomena - e.g. reabsorption of the PBII in 3PN zygotes - underpinning the origins of abnormal fertilization and potentially clinically relevant.
Trial registration number
not applicable
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Affiliation(s)
- T Takahashi
- Kato Ladies Clinic, IVF Laboratory , Tokyo, Japan
| | - K Shimazaki
- Kato Ladies Clinic, IVF Laboratory , Tokyo, Japan
| | - Y Tanimura
- Kato Ladies Clinic, IVF Laboratory , Tokyo, Japan
| | - A Amagai
- Kato Ladies Clinic, IVF Laboratory , Tokyo, Japan
| | - A Sawado
- Kato Ladies Clinic, IVF Laboratory , Tokyo, Japan
| | - H Akaike
- Kato Ladies Clinic, IVF Laboratory , Tokyo, Japan
| | - M Mogi
- Kato Ladies Clinic, IVF Laboratory , Tokyo, Japan
| | - S Kaneko
- Kato Ladies Clinic, IVF Laboratory , Tokyo, Japan
| | - M Kato
- Kato Ladies Clinic, IVF Laboratory , Tokyo, Japan
| | - T Okimura
- Kato Ladies Clinic, IVF Laboratory , Tokyo, Japan
| | - T Miki
- Kato Ladies Clinic, R&D Division , Tokyo, Japan
| | - K Ezoe
- Kato Ladies Clinic, R&D Division , Tokyo, Japan
| | - K Kato
- Kato Ladies Clinic, Gynaecology , Tokyo, Japan
| | - A Borini
- 9.baby, Family and Fertility Center , Bologna, Italy
| | - G Coticchio
- 9.baby, Family and Fertility Center , Bologna, Italy
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Kameda T, Ushio Y, Nakashima S, Shimada H, Wakiya R, Kato M, Miyagi T, Sugihara K, Mino R, Mizusaki M, Dobashi H. AB0313 CLINICAL FEATURE OF 100 CASES OF METHOTREXATE ASSOCIATED LYMPHOPROLIFERATIVE DISORDERS WITH RA PATIENT. Ann Rheum Dis 2022. [DOI: 10.1136/annrheumdis-2022-eular.4159] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
BackgroundLymphoproliferative disorders (LPDs), including malignant lymphoma, are known to occur in RA patients treated with disease modified antirheumatic drugs (DMARDs). In particular, LPD associated with methotrexate (MTX)-treated RA is often referred to as MTX-associated LPD (MTX-LPD). MTX-LPD have various clinical feature and histological findings1). We have accumulated MTX-LPD cases in patients with rheumatoid arthritis (MTX-RA-LPD).ObjectivesWe clarified the clinical characteristics of MTX-RA-LPD. In addition, we examine the prognosis of MTX-LPD in RA patients.MethodsWe enrolled 100 RA patients who diagnosed MTX-LPD from 2005 to 2021. We collected as follow data based on clinical reports retrospectively; 1) age, 2) gender, 3) duration from RA onset to LPD onset, 4) total dose of MTX, 5) duration of MTX administration, 6) presence of extranodal lesion 7) histological findings, 8) treatment for LPD, 9) 5-year survival rate.ResultsThe mean age of 100 MTX-RA-LPD patients (M:F=30:70) were 66.7 ± 10.7 years old, and the duration from RA onset to LPD onset were 25.2 ± 11.0 years. The total dose of MTX and duration of MTX administration were over 2,600mg and over 5 years, respectively. The extranodal lesions were found in 51%, and diffuse large B cell lymphoma was the most common histological findings. Spontaneous regression was observed in 68%. The 5-year survival rate of MTX-RA-LPD was as high as over 85%.ConclusionThe clinical features of MTX-RA-LPD were similar to those previous reports. Furthermore, we suggested a good prognosis for MTX-RA-LPD.References[1]Harigai M. Lymphoproliferative disorders in patients with rheumatoid arthritis in the era of widespread use of methotrexate: A review of the literature and current perspective. Mod Rheumatol. 2018 Jan;28(1):1-8.Disclosure of InterestsNone declared
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