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Takeuchi E, Ogino H, Kondo K, Okano Y, Ichihara S, Kunishige M, Kadota N, Machida H, Hatakeyama N, Naruse K, Nokihara H, Shinohara T, Nishioka Y. An increased relative eosinophil count as a predictive dynamic biomarker in non-small cell lung cancer patients treated with immune checkpoint inhibitors. Thorac Cancer 2024; 15:248-257. [PMID: 38087769 PMCID: PMC10803223 DOI: 10.1111/1759-7714.15191] [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: 09/13/2023] [Revised: 11/29/2023] [Accepted: 11/30/2023] [Indexed: 01/24/2024] Open
Abstract
BACKGROUND An increased relative eosinophil count (REC) has potential as a predictive biomarker for a beneficial clinical response and outcome to cancer immunotherapies. Therefore, the present study investigated the impact of an increased posttreatment REC on the prognosis of non-small cell lung cancer (NSCLC) patients treated with immune checkpoint inhibitors (ICIs). METHODS We retrospectively reviewed all 151 patients diagnosed with NSCLC and treated with ICI monotherapy and blood test data between March 2016 and August 2021 at National Hospital Organization Kochi Hospital and Tokushima University. RESULTS A total of 151 patients with a mean age of 69 years were included. REC after 4 weeks of initial ICI monotherapy was higher than pretreatment REC in 87 patients but not in 64. REC after 4 weeks of the ICI treatment with and without an increased REC were 4.4 and 1.8%, respectively (p < 0.001). Disease control rates (DCR) were significantly higher in patients with than in those without an increased REC (84% vs. 47%, p < 0.001). The median overall survival (OS) of lung cancer patients with or without an increased REC were 674 and 234 days, respectively. A Kaplan-Meier univariate analysis revealed a significant difference in OS between the two groups (p < 0.001). A Cox proportional regression analysis identified an increased REC as an independent predictor of OS (p = 0.003). CONCLUSION ICI-treated NSCLC patients with an increased REC after 4 weeks of treatment had a better DCR and prognosis than the other patients examined.
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Affiliation(s)
- Eiji Takeuchi
- Department of Clinical InvestigationNational Hospital Organization Kochi HospitalKochiJapan
| | - Hirokazu Ogino
- Department of Respiratory Medicine and RheumatologyGraduate School of Biomedical Sciences, Tokushima UniversityTokushimaJapan
| | - Kensuke Kondo
- Department of Respiratory Medicine and RheumatologyGraduate School of Biomedical Sciences, Tokushima UniversityTokushimaJapan
| | - Yoshio Okano
- Department of Respiratory MedicineNational Hospital Organization Kochi HospitalKochiJapan
| | - Seiya Ichihara
- Department of Respiratory MedicineNational Hospital Organization Kochi HospitalKochiJapan
| | - Michihiro Kunishige
- Department of Respiratory MedicineNational Hospital Organization Kochi HospitalKochiJapan
| | - Naoki Kadota
- Department of Respiratory MedicineNational Hospital Organization Kochi HospitalKochiJapan
| | - Hisanori Machida
- Department of Respiratory MedicineNational Hospital Organization Kochi HospitalKochiJapan
| | - Nobuo Hatakeyama
- Department of Respiratory MedicineNational Hospital Organization Kochi HospitalKochiJapan
| | - Keishi Naruse
- Department of PathologyNational Hospital Organization Kochi HospitalKochiJapan
| | - Hiroshi Nokihara
- Department of Respiratory Medicine and RheumatologyGraduate School of Biomedical Sciences, Tokushima UniversityTokushimaJapan
| | - Tsutomu Shinohara
- Department of Community Medicine for RespirologyGraduate School of Biomedical Sciences, Tokushima UniversityTokushimaJapan
| | - Yasuhiko Nishioka
- Department of Respiratory Medicine and RheumatologyGraduate School of Biomedical Sciences, Tokushima UniversityTokushimaJapan
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Takeuchi E, Kondo K, Okano Y, Ichihara S, Kunishige M, Kadota N, Machida H, Hatakeyama N, Naruse K, Ogino H, Nokihara H, Shinohara T, Nishioka Y. Pretreatment eosinophil counts as a predictive biomarker in non-small cell lung cancer patients treated with immune checkpoint inhibitors. Thorac Cancer 2023; 14:3042-3050. [PMID: 37669914 PMCID: PMC10599974 DOI: 10.1111/1759-7714.15100] [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] [Subscribe] [Scholar Register] [Received: 07/21/2023] [Revised: 08/24/2023] [Accepted: 08/25/2023] [Indexed: 09/07/2023] Open
Abstract
BACKGROUND The peripheral blood eosinophil count prior to treatment has potential as a predictive biomarker for a beneficial clinical response to cancer immunotherapies. Therefore, the present study investigated the impact of the eosinophil count on overall survival (OS) in non-small cell lung cancer (NSCLC) patients treated with immune checkpoint inhibitors (ICI). METHODS We retrospectively reviewed all patients diagnosed with NSCLC and treated with ICI monotherapy between March 2016 and August 2021 at National Hospital Organization Kochi Hospital and Tokushima University. RESULTS A total of 166 patients were included. Fifty-five patients had an eosinophil count of less than 100 cells/μL (Eo < 100). Nighty-eight patients had an eosinophil count of 100 cells/μL or more, but less than 500 cells/μL (100 ≤ Eo < 500). Thirteen patients had an eosinophil count of 500 cells/μL or more (Eo ≥500). The median OS of all lung cancer patients was 476 days. The median OS of lung cancer patients with Eo <100, 100 ≤ Eo <500, and Eo ≥500 was 339, 667, and 143 days, respectively. A Kaplan-Meier univariate analysis showed a significant difference in OS between these three groups (p < 0.001). A Cox proportional regression analysis identified 100 ≤ Eo <500 (p = 0.04), ECOG PS score ≥ 2 (p = 0.02), tumor size ≥5 cm (p = 0.02), and PD-L1 ≥ 1% (p = 0.01) as independent predictors of OS. CONCLUSION OS was significantly longer in ICI-treated NSCLC patients with a pretreatment eosinophil count of 100 ≤ Eo <500 than in the other patients and, thus, has potential as a new predictive biomarker.
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Affiliation(s)
- Eiji Takeuchi
- Department of Clinical InvestigationNational Hospital Organization Kochi HospitalKochiJapan
| | - Kensuke Kondo
- Department of Respiratory Medicine and Rheumatology, Graduate School of Biomedical SciencesTokushima UniversityTokushimaJapan
| | - Yoshio Okano
- Department of Respiratory MedicineNational Hospital Organization Kochi HospitalKochiJapan
| | - Seiya Ichihara
- Department of Respiratory MedicineNational Hospital Organization Kochi HospitalKochiJapan
| | - Michihiro Kunishige
- Department of Respiratory MedicineNational Hospital Organization Kochi HospitalKochiJapan
| | - Naoki Kadota
- Department of Respiratory MedicineNational Hospital Organization Kochi HospitalKochiJapan
| | - Hisanori Machida
- Department of Respiratory MedicineNational Hospital Organization Kochi HospitalKochiJapan
| | - Nobuo Hatakeyama
- Department of Respiratory MedicineNational Hospital Organization Kochi HospitalKochiJapan
| | - Keishi Naruse
- Department of PathologyNational Hospital Organization Kochi HospitalKochiJapan
| | - Hirokazu Ogino
- Department of Respiratory Medicine and Rheumatology, Graduate School of Biomedical SciencesTokushima UniversityTokushimaJapan
| | - Hiroshi Nokihara
- Department of Respiratory Medicine and Rheumatology, Graduate School of Biomedical SciencesTokushima UniversityTokushimaJapan
| | - Tsutomu Shinohara
- Department of Community Medicine for Respirology, Graduate School of Biomedical SciencesTokushima UniversityTokushimaJapan
| | - Yasuhiko Nishioka
- Department of Respiratory Medicine and Rheumatology, Graduate School of Biomedical SciencesTokushima UniversityTokushimaJapan
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Kunishige M, Ichihara S, Kadota N, Okano Y, Machida H, Hatakeyama N, Naruse K, Shinohara T, Takeuchi E. Non-small cell lung cancer with EGFR (L858R and E709X) and CNNB1 mutations responded to afatinib. Thorac Cancer 2022; 14:423-426. [PMID: 36519636 PMCID: PMC9891858 DOI: 10.1111/1759-7714.14775] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2022] [Revised: 12/02/2022] [Accepted: 12/05/2022] [Indexed: 12/23/2022] Open
Abstract
Lung cancer with complex epidermal growth factor receptor (EGFR) and CTNNB1 comutations is rare, and the efficacy of tyrosine kinase inhibitors (TKIs) is generally poor. Here, we encountered a lung cancer patient with complex EGFR (L858R and E709X) and CTNNB1 comutations who successfully responded to afatinib. A 78-year-old woman visited our hospital with a cough and bloody sputum that had worsened over the past year. She had multiple mass shadows in both lungs and nodular shadows in the bronchi. The patient was diagnosed with lung adenocarcinoma cT4N3M1c stage IVB. A genetic analysis of the primary tumor using the Oncomine Dx target test multi-CDx system revealed positivity for EGFR (L858R and E709X) and CTNNB1 mutations. The expression of programmed death ligand 1 (22C3 clones) in tumor cells was negative by immunostaining. The patient was treated with afatinib as first-line therapy and achieved clinical improvement and a partial response and is continuing treatment 1 year later. Case reports of lung cancer patients with EGFR/CTNNB1 comutations are rare, and TKIs are not considered to be effective. We herein present the first case report of lung cancer with the co-occurrence of uncommon and complex EGFR (L858R and E709X) and CTNNB1 mutations that was successfully treated with afatinib.
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Affiliation(s)
- Michihiro Kunishige
- Department of Respiratory MedicineNational Hospital Organization Kochi HospitalKochi cityKochiJapan
| | - Seiya Ichihara
- Department of Respiratory MedicineNational Hospital Organization Kochi HospitalKochi cityKochiJapan
| | - Naoki Kadota
- Department of Respiratory MedicineNational Hospital Organization Kochi HospitalKochi cityKochiJapan
| | - Yoshio Okano
- Department of Respiratory MedicineNational Hospital Organization Kochi HospitalKochi cityKochiJapan
| | - Hisanori Machida
- Department of Respiratory MedicineNational Hospital Organization Kochi HospitalKochi cityKochiJapan
| | - Nobuo Hatakeyama
- Department of Respiratory MedicineNational Hospital Organization Kochi HospitalKochi cityKochiJapan
| | - Keishi Naruse
- Department of PathologyNational Hospital Organization Kochi HospitalKochi cityKochiJapan
| | - Tsutomu Shinohara
- Department of Community Medicine for Respirology, Graduate School of Biomedical SciencesTokushima UniversityTokushimaJapan
| | - Eiji Takeuchi
- Department of Clinical InvestigationNational Hospital Organization Kochi HospitalKochi cityKochiJapan
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Ichihara S, Kunishige M, Kadota N, Okano Y, Machida H, Hatakeyama N, Naruse K, Shinohara T, Takeuchi E. Late-onset acute type 1 diabetes mellitus 7 months after discontinuation of pembrolizumab against lung cancer. Thorac Cancer 2022; 14:81-84. [PMID: 36411591 PMCID: PMC9807438 DOI: 10.1111/1759-7714.14736] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2022] [Revised: 11/01/2022] [Accepted: 11/03/2022] [Indexed: 11/23/2022] Open
Abstract
Immune-related adverse events (irAEs) occur in rare cases, even after the completion of immune checkpoint inhibitor (ICI) therapy. We encountered a lung cancer patient diagnosed with acute-onset type 1 diabetes mellitus (DM) 7 months after the cessation of ICI. A 68-year-old woman was referred to our hospital for chest abnormalities. She was diagnosed with lung adenocarcinoma cT4N2M1c, stage IVB. Immunostaining showed that the expression of programmed death ligand 1 in tumor cells was negative. A genetic analysis using the Oncomine Dx Target Test Multi-CDx System revealed that the primary tumor was positive for ERBB2. Combined immunotherapy with carboplatin, pemetrexed, and pembrolizumab was performed as first-line therapy, followed by maintenance therapy with pemetrexed plus pembrolizumab, which was successful. After the seventh course, maintenance therapy was stopped because only the primary tumor showed local enlargement. Local chest radiotherapy (66 Gy/33 Fr) was performed, and the patient was followed up. HbA1c was 4.9% 3 months after the completion of pembrolizumab, and dry mouth and polyuria occurred after 5 months. Seven months later, the patient developed diabetic ketoacidosis with a blood glucose of 348 mg/dL and an HbA1c of 11.3%. Antiglutamic acid decarboxylase antibodies were negative and urinary C-peptide was 9.3 μg/day. The patient was diagnosed with acute-onset type 1 diabetes and received insulin therapy. There has been no case report of type 1 diabetes diagnosed 7 months after the last administration of an ICI. These results indicate that irAE needs to be considered even after the cessation of ICI.
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Affiliation(s)
- Seiya Ichihara
- Department of Respiratory MedicineNational Hospital Organization Kochi HospitalKochiJapan
| | - Michihiro Kunishige
- Department of Respiratory MedicineNational Hospital Organization Kochi HospitalKochiJapan
| | - Naoki Kadota
- Department of Respiratory MedicineNational Hospital Organization Kochi HospitalKochiJapan
| | - Yoshio Okano
- Department of Respiratory MedicineNational Hospital Organization Kochi HospitalKochiJapan
| | - Hisanori Machida
- Department of Respiratory MedicineNational Hospital Organization Kochi HospitalKochiJapan
| | - Nobuo Hatakeyama
- Department of Respiratory MedicineNational Hospital Organization Kochi HospitalKochiJapan
| | - Keishi Naruse
- Department of PathologyNational Hospital Organization Kochi HospitalKochiJapan
| | - Tsutomu Shinohara
- Department of Community Medicine for RespirologyGraduate School of Biomedical Sciences, Tokushima UniversityTokushimaJapan
| | - Eiji Takeuchi
- Department of Clinical InvestigationNational Hospital Organization Kochi HospitalKochiJapan
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Shimao D, Sunaguchi N, Otsuka N, Ichihara S, Nishimura R, Iwakoshi A, Yuasa T, Ando M. Three-dimensional and mesoscopic scale fine structures of human upper abdominal organs revealed by micro refraction-contrast x-ray CT. Phys Med 2021. [DOI: 10.1016/s1120-1797(22)00555-5] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/19/2022] Open
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6
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Ducournau F, Arianni M, Awwad S, Baur EM, Beaulieu JY, Bouloudhnine M, Caloia M, Chagar K, Chen Z, Chin AY, Chow EC, Cobb T, David Y, Delgado PJ, Woon Man Fok M, French R, Golubev I, Haugstvedt JR, Ichihara S, Jorquera RA, Koo SCJJ, Lee JY, Lee YK, Lee YJ, Liu B, Kaleli T, Mantovani GR, Mathoulin C, Messina JC, Muccioli C, Nazerani S, Ng CY, Obdeijn MC, Van Overstraeten L, Prasetyono TOH, Ross M, Shih JT, Smith N, Suarez R FA, Chan PT, Tiemdjo H, Wahegaonkar A, Wells MC, Wong WY, Wu F, Yang XF, Yanni D, Yao J, Liverneaux PA. COVID-19: Initial experience of an international group of hand surgeons. Hand Surg Rehabil 2020; 39:159-166. [PMID: 32278932 PMCID: PMC7194873 DOI: 10.1016/j.hansur.2020.04.001] [Citation(s) in RCA: 46] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/27/2020] [Revised: 04/01/2020] [Accepted: 04/05/2020] [Indexed: 12/29/2022]
Abstract
The emergence of the COVID-19 pandemic has severely affected medical treatment protocols throughout the world. While the pandemic does not affect hand surgeons at first glance, they have a role to play. The purpose of this study was to describe the different measures that have been put in place in response to the COVID-19 pandemic by hand surgeons throughout the world. The survey comprised 47 surgeons working in 34 countries who responded to an online questionnaire. We found that the protocols varied in terms of visitors, health professionals in the operating room, patient waiting areas, wards and emergency rooms. Based on these preliminary findings, an international consensus on hand surgery practices for the current viral pandemic, and future ones, needs to be built rapidly.
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Affiliation(s)
- F Ducournau
- Icube CNRS 7357, department of hand surgery, hôpital de Hautepierre, university hospital of Strasbourg, FMTS, university of Strasbourg, 1, avenue Molière, 67200 Strasbourg cedex, France
| | - M Arianni
- Department of Surgery, RSUD Pasar Minggu Hospital, Jl. TB Simatupang No.1, RT.1/RW.5, Ragunan, Kec. Ps. Minggu, Kota Jakarta Selatan, Daerah Khusus Ibukota Jakarta 12550, Indonesia
| | - S Awwad
- National Guard Hospital Medina, Ad Dar, Medina, Saudi Arabia
| | - E-M Baur
- Practice of Plastic and Hand Surgery, James-Loeb-Straße 13, 82418 Murnau am Staffelsee, Germany
| | - J-Y Beaulieu
- Hôpitaux universitaire de Genève, département de chirurgie, rue Gabrielle-Perret-Gentil 4, 1205 Genève, Switzerland
| | - M Bouloudhnine
- Les Cliniques El Manar, 2092 rue Habib Echatti, Tunis, Tunisia
| | - M Caloia
- Department of Orthopaedic Surgery, Facultad de Ciencias Biomedicas, Universidad Austral, Hospital Universitario Austral, Pilar, Buenos Aires, Argentina
| | - K Chagar
- Pôle de chirurgie orthopédique, hôpital Militaire d'Instruction Mohamed V, Hay Riad, Rabat, Morocco
| | - Z Chen
- Department of Hand Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 328 Qi'an Ave, Xinzhou, Wuhan, Hubei, China
| | - A Y Chin
- Department of Hand and Reconstructive Microsurgery, Singapore General Hospital, Academia Building, Outram Rd, Singapour 169608, Singapore
| | - E C Chow
- Department of Orthopaedics and Traumatology, United Christian Hospital, 130 Hip Wo St, Kwun Tong, Hong Kong
| | - T Cobb
- Orthopedic Specialists, P.C., 4622 Progress Drive Suite C, Davenport, IA 52807, USA
| | - Y David
- Hand surgery unit and microsurgery, Hospital Kaplan medical center, Derech Pasternak, Rehovot, Israel
| | - P J Delgado
- Hand Surgery and Microsurgery Department, University Hospital HM Monteprincipe, CEU San Pablo University, Calle de Julián Romea 23, 28003 Madrid, Spain
| | - M Woon Man Fok
- Department of Orthopaedics and Traumatology 5/F, Professorial Block, Queen Mary Hospital, The University of Hong Kong, Queen Mary Hospital Main Block, Pok Fu Lam Rd, Pok Fu Lam, Hong Kong
| | - R French
- The Specialist Referral Clinic, 555W 12th Ave #121, Vancouver, BC V5Z 3X7, Canada
| | - I Golubev
- N. Priorov Research Institute of Trauma Surgery and Orthopaedics, 10 Moscow Ulitsa Priorova, Russia
| | - J R Haugstvedt
- Division of Handsurgery, Department of Orthopedics, Østfold Hospital, Per Gynts vei 78, 1535 Moss, Norway
| | - S Ichihara
- Department of Hand Surgery, Juntendo University Urayasu Hospital, 2 Chome-1-1 Tomioka, Urayasu, Chiba 279-0021, Japan
| | - R A Jorquera
- Department of Hand Surgery and Microsurgery, Clínica Indisa, Andrés Bello University, Av. Sta. María 1810, Santiago, Providencia, Región Metropolitana, Chile
| | - S C J J Koo
- Department of Orthoapedics and Traumatology, Alice Ho Miu Ling Nethersole Hospital, 11 Chuen On Road, Tai Po, NT, Hong Kong
| | - J Y Lee
- Department of Orthopedic Surgery, The Catholic University of Korea, Eunpyeong St. Mary's Hospital, 1021 Tongil-ro, Eunpyeong-gu, 03312 Seoul, Korea
| | - Y K Lee
- Department of Orthopedic Surgery, Research Institute of Clinical Medicine of Jeonbuk National University-Biomedical Research Institute of Jeonbuk National University Hospital, 567 Baekje-daero, Geumam 1(il)-dong, Deokjin-gu, Jeonju-si, Jeollabuk-do, Republic of Korea
| | - Y J Lee
- Department of Orthopaedic Surgery, Kyungpook National University Hospital, 130 Dongdeok-ro, Jung-gu, Daegu 41944, Republic of Korea
| | - B Liu
- Department of Hand Surgery, Beijing Ji Shui Tan Hospital, the 4th Clinical College of Peking University, 31 Xinjiekou E Rd, Beijing Xicheng District, China
| | - T Kaleli
- Uludag University, Faculty of Medicine, Department of Orthopaedics, Hand Surgery Clinic, Özlüce, Görükle Kampüsü, 16059 Nilüfer/Bursa, Turkey
| | - G R Mantovani
- Department of Hand Surgery, Sao Paolo Hand center, Ben Portuguesa Hospital, R. Maestro Cardim 769, Bela Vista, São Paulo, SP, 01323-001, Brazil
| | - C Mathoulin
- International Wrist Center, clinique Bizet, Institut de la main, 23, rue Georges-Bizet, 75116 Paris, France
| | - J C Messina
- Gaetano Pini- CTO Orthopaedic Institute, First Orthopaedic Clinic University of Milan, Piazza Cardinale Andrea Ferrari 1, 20122 Milano MI, Italy
| | - C Muccioli
- Icube CNRS 7357, department of hand surgery, hôpital de Hautepierre, university hospital of Strasbourg, FMTS, university of Strasbourg, 1, avenue Molière, 67200 Strasbourg cedex, France
| | - S Nazerani
- Department of Hand and Reconstructive Microsurgery, Mehr General Hospital, W Zartosht St, District 6, Tehran, Tehran Province, IR, Iran
| | - C Y Ng
- Upper Limb Unit, Wrightington Hospital, Appley Bridge, Wigan, UK
| | - M C Obdeijn
- Department of Plastic, Reconstructive and Hand surgery, Amsterdam University Medical Centers, AMC, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands
| | - L Van Overstraeten
- Hôpital Erasme, ULB, route de Lennik 808, 1070 Bruxelles, Belgium; Hand and foot surgery unit, Rue Pierre Caille 9, 7500 Tournai, Belgium
| | - T O H Prasetyono
- Division of Plastic Surgery, Department of Surgery, Cipto Mangunkusumo Hospital/Faculty of Medicine Universitas Indonesia, Jl. Pangeran Diponegoro No.71, RW.5, Kenari, Kec. Senen, Kota Jakarta Pusat, Daerah Khusus Ibukota Jakarta 10430, Indonesia
| | - M Ross
- Brisbane Hand and Upper Limb Research Institute, Brisbane Private Hospital, 259 Wickham Terrace, Brisbane City QLD 4000, Australia
| | - J T Shih
- Department of Orthopaedic Surgery, Armed Forces Taoyuan General Hospital, No. 168, Zhongxing Road, Longtan District, Taoyuan City, Taiwan
| | - N Smith
- Southern Highlands Private Hospital, St Jude Specialist Centre, 21 St Jude St, Bowral NSW 2576, Australia
| | - F A Suarez R
- Universidad Militar Nueva Granada, Bogota, Colombia/Private clinic Centro de Cirugia Minimamente Invasiva CECIMIN, 76, Autopista Nte. #104, Bogotá, Colombia
| | - P-T Chan
- Department of Orthopaedics and Traumatology, Tuen Mun Hospital, Block H, Tsing Chung Koon Rd, Tuen Mun, Hong Kong
| | - H Tiemdjo
- Centre de chirurgie de la main et des paralysies de Douala, Bonamoussadi, Douala, Cameroon
| | - A Wahegaonkar
- Dept of Upper Limb, Hand and Microvascular Reconstructive Surgery, Brachial Plexus and Peripheral Nerve Surgery, Sancheti Institute for Orthopaedics and Rehabilitation, Jehangir Hospital, 32, Sasoon Road Opposite Railway Station, Central Excise Colony, Sangamvadi, Pune, Maharashtra 411001, India; The Hand Surgery Clinics, 81/A/11 Giridarshan Society, Behind NEXA Showroom, Baner Road, Pune, Maharashtra 411007, India
| | - M C Wells
- Orthopaedic hand surgeon, Mediclinic Panorama, Panorama, Rothschild Blvd, Panorama, Cape Town, 7500, South Africa
| | - W-Y Wong
- Department of Orthopaedics and Traumatology, the Chinese University of Hong Kong, Central Ave, Hong Kong
| | - F Wu
- Dept of Orthopaedics, University Hospitals Birmingham, Bordesley Green East, Bordesley Green E, Birmingham B9 5SS, UK
| | - X F Yang
- Department of Hand Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Jiang'an District, Wuhan, Hubei, China
| | - D Yanni
- KIMS Hospital, Newnham Ct Way, Weavering, Maidstone ME14 5FT, Kent, UK
| | - J Yao
- Robert A. Chase Hand and Upper Limb Center, Stanford University Medical Center, 450 Broadway, Redwood City, CA 94063, USA
| | - P A Liverneaux
- Icube CNRS 7357, department of hand surgery, hôpital de Hautepierre, university hospital of Strasbourg, FMTS, university of Strasbourg, 1, avenue Molière, 67200 Strasbourg cedex, France.
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Ichihara S, Hirayama A, Tahara Y, Yasuda S, Noguchi T, Nishimura K, Yonemoto N, Nonogi H, Nagao K, Ikeda T, Sato N, Tsutsui H. P1701Sex-related difference in receiving bystander cardiopulmonary resuscitation and clinical outcome among out-of-hospital cardiac arrest patients. Eur Heart J 2019. [DOI: 10.1093/eurheartj/ehz748.0456] [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] [Indexed: 11/12/2022] Open
Abstract
Abstract
Background
Early studies from US and Europe have reported that female out-of-hospital cardiac arrest (OHCA) patients were less likely to receive bystander cardiopulmonary resuscitation (CPR). However, little is known about sex-related difference in receiving CPR and clinical outcome among adult OHCA patients in Japan.
Methods
This study was a nation-wide, population-based observational study of OHCA in Japan from 2011 to 2015. We included all adult cardiogenic OHCA patients. We excluded patients witnessed by emergency medical services (EMS) from the present analysis. To account for the age-related difference, we stratified by age category: 18–39, 40–64, 65–79, and ≥80. To examine the association between patient sex and neurological outcome at 30-day, we fitted multivariable logistic regression model with adjustment for age, bystander CPR status, first document rhythm, dispatcher instruction and EMS response time.
Results
There were 339,317 adult cardiogenic, not EMS-witnessed OHCA patients (median age, 80; female, 43.5%) in Japan from 2011 to 2015. Overall, 171,122 (50.4%) received CPR by citizen, 34,283 (10.1%) had initial shockable rhythm, and 11,421 (3.4%) had favorable neurological status at 30-day. Female patients were more likely to receive bystander CPR (vs. male; 53.8% vs. 47.8%), and were less likely to have initial shockable rhythm (5.2% vs. 13.9%) and favorable neurological status at 30-day (1.8% vs. 4.6%) (all; p<0.001). With stratification by age category, elderly female patients (aged ≥65) were more likely to received bystander CPR (P<0.001), whereas male patients were more likely to received bystander CPR among patients aged <40. Multivariable logistic regression analysis showed that female patients had a lower rate of favorable neurological status at 30-day, compared to male patients in all age categories (all; P<0.05).
Sex difference in bystander CPR Overall Male (n=191,672) Female (n=147,645) p-value All (n=339,317) 50.4% 47.8% 53.8% <0.001 Aged 18–39 (n=6,216) 56.0% 56.9% 53.5% 0.02 Aged 40–64 (n=50,320) 48.5% 48.5% 48.3% 0.69 Aged 65–80 (n=105,141) 46.5% 45.5% 48.3% <0.001 Aged ≥80 (n=177,640) 53.2% 49.0% 56.7% <0.001
OR for neurological outcome at 30-day
Conclusion
Unlike the situation in Europe and US, female OHCA patients, especially elderly female, were more likely to receive bystander CPR in Japan. However, female patients had worse clinical outcome after OHCA. Further investigations including in-hospital treatment are needed to clarify the sex-difference in clinical outcome after OHCA.
Acknowledgement/Funding
None
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Affiliation(s)
- S Ichihara
- National Cerebral and Cardiovascular Center, Department of Cardiovascular Medicine, Osaka, Japan
| | - A Hirayama
- National Cerebral and Cardiovascular Center, Department of Cardiovascular Medicine, Osaka, Japan
| | - Y Tahara
- National Cerebral and Cardiovascular Center, Department of Cardiovascular Medicine, Osaka, Japan
| | - S Yasuda
- National Cerebral and Cardiovascular Center, Department of Cardiovascular Medicine, Osaka, Japan
| | - T Noguchi
- National Cerebral and Cardiovascular Center, Department of Cardiovascular Medicine, Osaka, Japan
| | - K Nishimura
- National Cerebral and Cardiovascular Center, Department of Preventive Medicine and Epidemiology, Osaka, Japan
| | - N Yonemoto
- National Center of Neurology and Psychiatry, Tokyo, Japan
| | - H Nonogi
- Shizuoka General Hospital, Intensive Care Center, Shizuoka, Japan
| | - K Nagao
- Nihon University, Cardiovascular Center, Tokyo, Japan
| | - T Ikeda
- Toho University, Department of Cardiovascular Medicine, Tokyo, Japan
| | - N Sato
- Nippon Medical School, Department of Cardiology, Tokyo, Japan
| | - H Tsutsui
- Kyushu University, Department of Cardiovascular Medicine, Fukuoka, Japan
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8
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Yamamoto Y, Ichihara S, Suzuki M, Hara A, Hidalgo Díaz JJ, Maruyama Y, Kaneko K. Treatment of finger phalangeal fractures using the Ichi-Fixator system: A prospective study of 12 cases. Hand Surg Rehabil 2019; 38:302-306. [PMID: 31398489 DOI: 10.1016/j.hansur.2019.07.011] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/10/2019] [Revised: 07/06/2019] [Accepted: 07/30/2019] [Indexed: 10/26/2022]
Abstract
External fixators are an effective treatment option for comminuted or unstable phalangeal fractures. We developed a new linked-wire type of external fixator (the Ichi-Fixator) for finger phalangeal fractures, which enables fine adjustment of the fixation under fluoroscopy guidance either in a static way or with distraction through small screws inside the fixator. This technique was designed to improve on the stability and rigidity of conventional percutaneous Kirchner wire fixation. We assessed the effectiveness of the fixator through 12 cases of open or percutaneous fixation in comminuted or unstable phalangeal fractures. All patients were examined for postoperative complications, functional recovery, pain on visual analog scale (VAS), and the Quick Disabilities of the Arm, Shoulder, and Hand (QuickDASH) score at the final follow-up visit. Patients could perform all routine activities with normal grip strength and a full range of hand motion without pain after treatment. This treatment, which reduces the postoperative discomfort and may allow an immediate return to work, will clearly boost patient satisfaction. Linked-wire type external fixation enhances the security of fixation, facilitates postoperative mobilization, and may allow an immediate return to work.
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Affiliation(s)
- Y Yamamoto
- Department of Orthopedic Surgery, Juntendo University, Tokyo, Japan
| | - S Ichihara
- Hand Surgery Center, Juntendo University Urayasu Hospital, 2-1-1 Tomioka, Urayasu, Chiba 279-0021, Japan.
| | - M Suzuki
- Hand Surgery Center, Juntendo University Urayasu Hospital, 2-1-1 Tomioka, Urayasu, Chiba 279-0021, Japan
| | - A Hara
- Hand Surgery Center, Juntendo University Urayasu Hospital, 2-1-1 Tomioka, Urayasu, Chiba 279-0021, Japan
| | - J J Hidalgo Díaz
- Hand Surgery Center, Hôpitaux Universitaires de Strasbourg, Strasbourg 67098, France
| | - Y Maruyama
- Department of Orthopedic Surgery, Juntendo University Urayasu Hospital, Chiba, Japan
| | - K Kaneko
- Department of Orthopedic Surgery, Juntendo University, Tokyo, Japan
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9
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kazuhiro S, Sugiyama K, Nozawa K, Funahashi Y, Kogure Y, Kitagawa C, Ichihara S, Nishimura R, Kubota T, Saka H. Single-institute, retrospective study of metastatic uveal melanoma in the immune check point inhibitor era. Ann Oncol 2018. [DOI: 10.1093/annonc/mdy439.005] [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: 11/14/2022] Open
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10
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Matter-Parrat V, Hidalgo Diaz JJ, Collon S, Salazar Botero S, Prunières G, Ichihara S, Facca S, Liverneaux P. Establishing a reproducible protocol for measuring index active extension strength. J Hand Surg Eur Vol 2017; 42:165-169. [PMID: 27474502 DOI: 10.1177/1753193416662427] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [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] [Indexed: 02/03/2023]
Abstract
UNLABELLED The goal of this study was to establish a reproducible protocol to measure active extension strength in the index finger. The secondary objectives consisted in correlating the independent or associated index extension strength to the other fingers force of contraction of the extensor indicis propius with hand dominance. The population studied consisted of 24 healthy volunteers, including 19 women and 20 right-handed individuals. The independent and dependent index extension strength in each hand was measured three times with a dynamometer by three examiners at Day 0 and again at Day 7. Intra and inter-examiner reproducibility were, respectively, >0.90 and >0.75 in all cases. The independent extension strength was lower than the dependent one. There was no difference between the independent index extension strength on the dominant and non-dominant sides. The same was true for the dependent strength. Our results show that our protocol is reproducible in measuring independent and dependent index extension strength. Dominance did not come into account. LEVEL OF EVIDENCE II.
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Affiliation(s)
- V Matter-Parrat
- 1 Department of Hand Surgery, University Hospital of Strasbourg, Illkirch, France
| | - J J Hidalgo Diaz
- 1 Department of Hand Surgery, University Hospital of Strasbourg, Illkirch, France
| | - S Collon
- 2 Department of Orthopaedic Surgery, Caen University Hospital, Caen, France
| | - S Salazar Botero
- 1 Department of Hand Surgery, University Hospital of Strasbourg, Illkirch, France
| | - G Prunières
- 1 Department of Hand Surgery, University Hospital of Strasbourg, Illkirch, France
| | - S Ichihara
- 1 Department of Hand Surgery, University Hospital of Strasbourg, Illkirch, France.,3 Department of Orthopedic Surgery, Juntendo University, Tokyo, Japan
| | - S Facca
- 1 Department of Hand Surgery, University Hospital of Strasbourg, Illkirch, France
| | - P Liverneaux
- 1 Department of Hand Surgery, University Hospital of Strasbourg, Illkirch, France
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11
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Liverneaux P, Ichihara S, Facca S, Hidalgo Diaz J. Résultats de l’ostéosynthèse par plaque antérieure et abord mini-invasif (MIPO) des fractures de l’extrémité distale du radius : mise au point. Hand Surgery and Rehabilitation 2016; 35S:S80-S85. [DOI: 10.1016/j.hansur.2016.02.011] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/08/2015] [Revised: 02/21/2016] [Accepted: 02/23/2016] [Indexed: 10/20/2022]
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12
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Ichihara G, Suzuki Y, Watanabe E, Hayashida A, Osada Y, Furutani T, Izuoka K, Ichihara S. Effect of physicochemical characteristics of nano-sized titanium dioxide on adhesion of monocytes to endothelial cells. Toxicol Lett 2016. [DOI: 10.1016/j.toxlet.2016.06.1948] [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: 11/16/2022]
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13
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Ichihara S, Suzuki Y, Izuoka K, Ichihara G. Ablation of aryl hydrocarbon receptor promotes angiotensin II-induced cardiac fibrosis by enhancing c-Jun transcriptional activity. Toxicol Lett 2016. [DOI: 10.1016/j.toxlet.2016.06.1672] [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: 10/21/2022]
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14
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Sato A, Kawasaki T, Abo-Yashima A, Yoshida T, Kobayashi S, Kashiwaba M, Sugai T, Ichihara S. Cytological features of lymphoepithelioma-like carcinoma of the breast. Cytopathology 2016; 28:169-172. [PMID: 27478161 DOI: 10.1111/cyt.12363] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- A Sato
- Department of Molecular Diagnostic Pathology, Iwate Medical University School of Medicine, Morioka, Japan
| | - T Kawasaki
- Department of Molecular Diagnostic Pathology, Iwate Medical University School of Medicine, Morioka, Japan.,Department of Pathology, National Hospital Organisation Nagoya Medical Centre, Aichi, Japan
| | - A Abo-Yashima
- Department of Pathology, Iwate Medical University School of Medicine, Morioka, Japan
| | - T Yoshida
- Department of Cytopathology, Gunma University, Maebashi, Japan
| | - S Kobayashi
- Department of Cytopathology, Gunma University, Maebashi, Japan
| | - M Kashiwaba
- Department of Surgery, Iwate Medical University School of Medicine, Morioka, Japan
| | - T Sugai
- Department of Molecular Diagnostic Pathology, Iwate Medical University School of Medicine, Morioka, Japan
| | - S Ichihara
- Department of Pathology, National Hospital Organisation Nagoya Medical Centre, Aichi, Japan
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15
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Pereira A, Ichihara S, Facca S, Hendriks S, Gouzou S, Liverneaux P. Arthroscopic interposition in thumb carpometacarpal osteoarthritis: A series of 26 cases. ACTA ACUST UNITED AC 2015; 34:307-11. [DOI: 10.1016/j.main.2015.08.005] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2015] [Revised: 08/19/2015] [Accepted: 08/28/2015] [Indexed: 11/30/2022]
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16
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Ichihara S, Hidalgo-Diaz JJ, Facca S, Liverneaux P. Unicompartmental isoelastic resurfacing prosthesis for malignant tumor of the distal radius: A case report with a 3-year follow-up. Orthop Traumatol Surg Res 2015; 101:969-71. [PMID: 26498881 DOI: 10.1016/j.otsr.2015.09.020] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [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: 05/24/2015] [Revised: 08/29/2015] [Accepted: 09/16/2015] [Indexed: 02/02/2023]
Abstract
We report a case of 74-year-old man in whom a unicompartmental isoelastic resurfacing prosthesis was used to reconstruct the distal radius after en-bloc resection of a malignant tumor. Thirty-nine months after the operation, on a visual analogic scale, pain score was 0/10 and range of motion was 25° of flexion, 5° of extension, 70° of pronation, 45° of supination, 20° of radial deviation, and 30° of ulnar deviation. The Quick DASH functional score was 72.72/100. With radiographic finding, the prosthesis was well-aligned, with no evidence of loosening but with slightly implant conflict with the lunate. This case report indicates that unicompartmental isoelastic resurfacing prosthesis seems a simple and reliable technique for distal radius reconstruction after en-bloc resection of malignant tumor.
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Affiliation(s)
- S Ichihara
- Icube CNRS 7357, hand surgery department, Strasbourg university hospitals, FMTS, university of Strasbourg, 10, avenue Baumann, 67403 Illkirch, France; Department of orthopedic surgery, Juntendo university, Tokyo, Japan
| | - J J Hidalgo-Diaz
- Icube CNRS 7357, hand surgery department, Strasbourg university hospitals, FMTS, university of Strasbourg, 10, avenue Baumann, 67403 Illkirch, France
| | - S Facca
- Icube CNRS 7357, hand surgery department, Strasbourg university hospitals, FMTS, university of Strasbourg, 10, avenue Baumann, 67403 Illkirch, France
| | - P Liverneaux
- Icube CNRS 7357, hand surgery department, Strasbourg university hospitals, FMTS, university of Strasbourg, 10, avenue Baumann, 67403 Illkirch, France.
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17
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Ichihara S, Vaiss L, Acciaro AL, Facca S, Liverneaux P. External bone remodeling after injectable calcium-phosphate cement in benign bone tumor: two cases in the hand. Orthop Traumatol Surg Res 2015; 101:983-6. [PMID: 26545943 DOI: 10.1016/j.otsr.2015.09.019] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [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: 12/12/2014] [Revised: 07/08/2015] [Accepted: 09/03/2015] [Indexed: 02/02/2023]
Abstract
Bone remodeling commonly occurred after fracture and curettage benign bone tumor. A lot of previous articles reported "internal" trabecular bone remodeling. There were no previous clinical reports about "external" cortical bone remodeling. We present here 2 clinical cases of "external" bone remodeling after injectable calcium-phosphate in benign bone tumor in the hand. In two cases of benign bone tumor, we performed complete removal of the tumor and immediate filling of the metacarpal bone with injectable calcium-phosphate cement Arexbone(®) from the mechanical viewpoint. With respect to the shape of the calcium-phosphate, by using an injection-type, calcium-phosphate is adhered uniformly to the bone cortex by injecting, remodeling has been promoted. After 5 and 8years, both cases were no recurrences, and the shape of the metacarpal looked close to the contralateral side. These findings supposed to be concerned with potential self-healing and self-protection mechanism in human body.
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Affiliation(s)
- S Ichihara
- Department of Hand Surgery, SOS main, CCOM, University Hospital of Strasbourg, FMTS, University of Strasbourg, Icube CNRS 7357, 10, avenue Baumann, 67400 Illkirch, France; Orthopedic Surgery Department, Juntendo University, Tokyo, Japan
| | - L Vaiss
- Department of Hand Surgery, SOS main, CCOM, University Hospital of Strasbourg, FMTS, University of Strasbourg, Icube CNRS 7357, 10, avenue Baumann, 67400 Illkirch, France
| | | | - S Facca
- Department of Hand Surgery, SOS main, CCOM, University Hospital of Strasbourg, FMTS, University of Strasbourg, Icube CNRS 7357, 10, avenue Baumann, 67400 Illkirch, France
| | - P Liverneaux
- Department of Hand Surgery, SOS main, CCOM, University Hospital of Strasbourg, FMTS, University of Strasbourg, Icube CNRS 7357, 10, avenue Baumann, 67400 Illkirch, France.
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18
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Pereira A, Hidalgo Diaz JJ, Ichihara S, Facca S, Bodin F, Liverneaux P. [State of the art of the French Society for Hand Surgery Internet Websites Members]. ACTA ACUST UNITED AC 2015; 34:251-5. [PMID: 26411282 DOI: 10.1016/j.main.2015.08.004] [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: 04/07/2015] [Revised: 07/29/2015] [Accepted: 08/01/2015] [Indexed: 10/23/2022]
Abstract
The aim of this work was to identify the websites of the members of the French Society for Hand Surgery, examine the container and the content, and propose a common code of ethics. The census of Websites of the French Society for Hand Surgery Internet members was obtained through a survey questionnaire with 17 items online on the mode of exercise of the surgeon and the website itself. Forty-six out of 568 members of the SFCM responded to the questionnaire: 9 junior members, 6 associate members and 31 full members. A total of 12.5 % had the HONcode certification. They included educational materials for patients in 80.95 % of non-urgent conditions, and 68.42 % of emergency. Answers to questions about attendance and the cost of maintenance of websites were unusable. It would be interesting to create a specific code of ethics for hand surgery, free, certified by the SFCM, in partnership with the High Authority in Health (HAS, in French).
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Affiliation(s)
- A Pereira
- Hand Surgery Department, SOS Main, CCOM, University Hospital of Strasbourg, FMTS (Translational Medicine Federation Strasbourg), University of Strasbourg, CNRS Icube 7357, 10, avenue Baumann, 67403 Illkirch cedex, France
| | - J J Hidalgo Diaz
- Hand Surgery Department, SOS Main, CCOM, University Hospital of Strasbourg, FMTS (Translational Medicine Federation Strasbourg), University of Strasbourg, CNRS Icube 7357, 10, avenue Baumann, 67403 Illkirch cedex, France
| | - S Ichihara
- Hand Surgery Department, SOS Main, CCOM, University Hospital of Strasbourg, FMTS (Translational Medicine Federation Strasbourg), University of Strasbourg, CNRS Icube 7357, 10, avenue Baumann, 67403 Illkirch cedex, France; Department of Orthopedic Surgery, Juntendo University, Tokyo, Japon
| | - S Facca
- Hand Surgery Department, SOS Main, CCOM, University Hospital of Strasbourg, FMTS (Translational Medicine Federation Strasbourg), University of Strasbourg, CNRS Icube 7357, 10, avenue Baumann, 67403 Illkirch cedex, France
| | - F Bodin
- Plastic Surgery Department, University Hospital of Strasbourg, FMTS (Translational Medicine Federation Strasbourg), University of Strasbourg, CNRS Icube 7357, 10, avenue Baumann, 67403 Illkirch cedex, France
| | - P Liverneaux
- Hand Surgery Department, SOS Main, CCOM, University Hospital of Strasbourg, FMTS (Translational Medicine Federation Strasbourg), University of Strasbourg, CNRS Icube 7357, 10, avenue Baumann, 67403 Illkirch cedex, France.
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19
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Hirai S, Yokoyama E, Etoh Y, Seto J, Ichihara S, Suzuki Y, Maeda E, Sera N, Horikawa K, Sato S, Yamamoto T. Putative classification of clades of enterohemorrhagic Escherichia coli O157 using an IS-printing system. Lett Appl Microbiol 2015; 61:267-73. [PMID: 26031479 DOI: 10.1111/lam.12448] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [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: 02/24/2015] [Revised: 05/11/2015] [Accepted: 05/25/2015] [Indexed: 11/30/2022]
Abstract
UNLABELLED Enterohemorrhagic Escherichia coli O157 (O157) strains can be classified in clades by single nucleotide polymorphisms (SNPs), but this analysis requires significant laboratory effort. As the distribution of insertion sequence (IS) 629 insertions has been reported to be biased among different clades, O157 isolates can be putatively classified in clades by comparison with an IS629 distribution database. A database of the IS629 distribution in O157 strains isolated in Chiba Prefecture and their classification in clades was determined by SNP analysis and IS-printing, an easy and quick analytical tool for IS629 in the O157 genome. The IS629 distribution in O157 strains isolated in Fukuoka and Yamagata Prefectures was determined by IS-printing. These strains were putatively classified in clades by Relative Likelihood calculations that compared the IS-printing data and the IS629 distribution database. Concordance Ratios were calculated, which compared the number of strains putatively classified in a clade by Relative Likelihood to the number of strains classified in that clade by SNP analysis. For the Fukuoka and Yamagata strains, the Concordance Ratios for clades 3, 6 and 8 were 97-100%, for clade 7 about 88%, and for clades 2 and 12 over 90%. In conclusion, O157 clade 2, 3, 6, 7, 8 and 12 strains could be putatively classified by IS-printing. SIGNIFICANCE AND IMPACT OF THE STUDY This study demonstrated that enterohemorrhagic E. coli O157 (O157) strains could be putatively classified in clades using an IS-printing system. IS-printing was previously developed as a relatively quick and easy tool for analysis of insertion sequence 629 in the O157 genome. Since most local government public health institutes in Japan carry out IS-printing for early detection of O157 outbreaks, these data should be useful for putative classification of O157 strains in each area.
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Affiliation(s)
- S Hirai
- Division of Bacteriology, Chiba Prefectural Institute of Public Health, Chiba, Japan.,Department of Microbiology and Molecular Genetics, Graduate School of Pharmaceutical Science, Chiba University, Chiba, Japan
| | - E Yokoyama
- Division of Bacteriology, Chiba Prefectural Institute of Public Health, Chiba, Japan
| | - Y Etoh
- Division of Pathology and Bacteriology, Fukuoka Institute of Health and Environmental Sciences, Fukuoka, Japan
| | - J Seto
- Department of Microbiology, Yamagata Prefectural Institute of Public Health, Yamagata, Japan
| | - S Ichihara
- Division of Pathology and Bacteriology, Fukuoka Institute of Health and Environmental Sciences, Fukuoka, Japan
| | - Y Suzuki
- Department of Microbiology, Yamagata Prefectural Institute of Public Health, Yamagata, Japan
| | - E Maeda
- Division of Pathology and Bacteriology, Fukuoka Institute of Health and Environmental Sciences, Fukuoka, Japan
| | - N Sera
- Division of Pathology and Bacteriology, Fukuoka Institute of Health and Environmental Sciences, Fukuoka, Japan
| | - K Horikawa
- Division of Pathology and Bacteriology, Fukuoka Institute of Health and Environmental Sciences, Fukuoka, Japan
| | - S Sato
- Chiba Prefectural Institute of Public Health, Chiba, Japan
| | - T Yamamoto
- Department of Microbiology and Molecular Genetics, Graduate School of Pharmaceutical Science, Chiba University, Chiba, Japan
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20
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Messaoudi T, Bodin F, Hidalgo Diaz J, Ichihara S, Fikry T, Lacreuse I, Liverneaux P, Facca S. Evaluation of a new eLearning platform for distance teaching of microsurgery. ACTA ACUST UNITED AC 2015; 34:109-12. [DOI: 10.1016/j.main.2015.02.002] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2014] [Revised: 02/12/2015] [Accepted: 02/16/2015] [Indexed: 10/23/2022]
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21
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Hidalgo-Díaz JJ, Ichihara S, Taleb C, Gouzou S, Facca S, Naroura I, Bodin F, Liverneaux P. Metacarpophalangeal joint arthroscopy in the fingers other than the thumb: Retrospective comparison of horizontal versus vertical traction. ACTA ACUST UNITED AC 2015; 34:105-8. [PMID: 25960060 DOI: 10.1016/j.main.2015.02.003] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [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: 12/04/2014] [Revised: 02/08/2015] [Accepted: 02/10/2015] [Indexed: 11/30/2022]
Abstract
The goal of this study was to compare the advantages and disadvantages of horizontal versus vertical traction by reviewing a small series of metacarpophalangeal (MCP) joint arthroscopy in the fingers other than the thumb. Our series included eight patients operated with traction placed along the axis of the operated finger. In four cases, traction was applied horizontally and in the other four, it was applied vertically. Arthroscopy was performed using dorsomedial and dorsoradial portals. The fluoroscopy unit was placed either vertically or horizontally as required. The average duration of patient set-up was 17.75min in the horizontal traction group and 32min in the vertical traction group. The average tourniquet time was 56.75min in the horizontal traction group and 71min in the vertical traction group. Horizontal traction required an additional procedure that can potentially compromise surgical asepsis. Vertical traction was less comfortable for the surgeon and horizontal placement of the fluoroscope increased the risk of compromised asepsis. Overall, arthroscopy of the MCP joint of the fingers other than the thumb is an easy technique, indicated for trauma-related and chronic lesions, which may be best performed with horizontal traction.
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Affiliation(s)
- J J Hidalgo-Díaz
- Icube CNRS 7357, FMTS, service de chirurgie de la main, SOS main, CCOM, hôpitaux universitaires de Strasbourg, université de Strasbourg, 10, avenue Baumann, 67400 Illkirch, France
| | - S Ichihara
- Department of orthopaedic surgery, Juntendo university hospital, Tokyo, Japan
| | - C Taleb
- Icube CNRS 7357, FMTS, service de chirurgie de la main, SOS main, CCOM, hôpitaux universitaires de Strasbourg, université de Strasbourg, 10, avenue Baumann, 67400 Illkirch, France
| | - S Gouzou
- Icube CNRS 7357, FMTS, service de chirurgie de la main, SOS main, CCOM, hôpitaux universitaires de Strasbourg, université de Strasbourg, 10, avenue Baumann, 67400 Illkirch, France
| | - S Facca
- Icube CNRS 7357, FMTS, service de chirurgie de la main, SOS main, CCOM, hôpitaux universitaires de Strasbourg, université de Strasbourg, 10, avenue Baumann, 67400 Illkirch, France
| | - I Naroura
- Icube CNRS 7357, FMTS, service de chirurgie de la main, SOS main, CCOM, hôpitaux universitaires de Strasbourg, université de Strasbourg, 10, avenue Baumann, 67400 Illkirch, France
| | - F Bodin
- Department of plastic surgery, FMTS, university hospital of Strasbourg, university of Strasbourg, 67000 Strasbourg, France
| | - P Liverneaux
- Icube CNRS 7357, FMTS, service de chirurgie de la main, SOS main, CCOM, hôpitaux universitaires de Strasbourg, université de Strasbourg, 10, avenue Baumann, 67400 Illkirch, France.
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22
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Abstract
Acute traumatic lesions of the base of the first metacarpal are frequent and their consequences can affect the opposition of the thumb. They usually occur after trauma in compression along the axis of the thumb in flexion. Restoring the anatomy and biomechanics of the trapeziometacarpal joint is essential when treating these injuries, hence why surgical treatment is usually indicated. We distinguish trapeziometacarpal dislocations, small-fragment and large-fragment Bennett's fractures, articular three-fragment Rolando and comminutive fractures and extra-articular fractures of the base of the first metacarpal. All carry the risk of narrowing of the first web. Recent studies have described poor results with conservative treatment. Surgical techniques are varied: percutaneous surgery, open surgery and arthroscopic surgery. The techniques of osteosynthesis are various: locking plates, and direct or indirect screw fixation or pinning. The prognosis depends on the quality of the restoration of the mobility of the trapeziometacarpal joint.
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Affiliation(s)
- P A Liverneaux
- Hand Surgery Department, Strasbourg University Hospitals, FMTS, Strasbourg University, Illkirch, France
| | - S Ichihara
- Hand Surgery Department, Strasbourg University Hospitals, FMTS, Strasbourg University, Illkirch, France Department of Orthopaedic Surgery, Juntendo University, Tokyo, Japan
| | - S Hendriks
- Hand Surgery Department, Strasbourg University Hospitals, FMTS, Strasbourg University, Illkirch, France
| | - S Facca
- Hand Surgery Department, Strasbourg University Hospitals, FMTS, Strasbourg University, Illkirch, France
| | - F Bodin
- Plastic Surgery Department, Strasbourg University Hospitals, FMTS, Strasbourg University Strasbourg, France
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23
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Pereira A, Ichihara S, Collon S, Bodin F, Gay A, Facca S, Liverneaux P. Multiple adjustable vascular clamp prototype: feasibility study on an experimental model of end-to-side microsurgical vascular anastomosis. ACTA ACUST UNITED AC 2014; 33:379-83. [PMID: 25458467 DOI: 10.1016/j.main.2014.09.005] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [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: 06/28/2014] [Revised: 09/14/2014] [Accepted: 09/16/2014] [Indexed: 10/24/2022]
Abstract
The aim of this study was to establish the feasibility of microsurgical end-to-side vascular anastomosis with a multiclamp adjustable vascular clamp prototype in an inert experimental model. Our method consisted of performing an end-to-side microsurgical anastomosis with 10/0 suture on a 2-mm diameter segment. In group 1, the end-to-side segment was held in place by a double clamp and a single end clamp. In group 2, the segment was held in place with a single multiclamp adjustable clamp. The average time for performing the anastomosis was shorter in group 2. The average number of sutures was the same in both groups. No leak was found and permeability was always positive in both groups. Our results show that performing end-to-side anastomosis with a multiclamp adjustable vascular clamp is feasible in an inert experimental model. Feasibility in a live animal model has to be demonstrated before clinical use.
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Affiliation(s)
- A Pereira
- Department of Hand Surgery, Strasbourg University Hospital, FMTS, University of Strasbourg, Icube CNRS UMR7357, 10, avenue Baumann, 67403 Illkirch, France
| | - S Ichihara
- Department of Hand Surgery, Strasbourg University Hospital, FMTS, University of Strasbourg, Icube CNRS UMR7357, 10, avenue Baumann, 67403 Illkirch, France; Department of Orthopaedic Surgery, Juntendo University, Tokyo, Japan
| | - S Collon
- Department of Orthopaedic Surgery, Caen University Hospital, 14000 Caen, France
| | - F Bodin
- Department of Plastic Surgery, Strasbourg University Hospital, FMTS, University of Strasbourg, 67000 Strasbourg, France
| | - A Gay
- Department of Hand Surgery, La Timone Teaching Hospital, Aix Marseille University, 13000 Marseille, France
| | - S Facca
- Department of Hand Surgery, Strasbourg University Hospital, FMTS, University of Strasbourg, Icube CNRS UMR7357, 10, avenue Baumann, 67403 Illkirch, France
| | - P Liverneaux
- Department of Hand Surgery, Strasbourg University Hospital, FMTS, University of Strasbourg, Icube CNRS UMR7357, 10, avenue Baumann, 67403 Illkirch, France.
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Hirai S, Yokoyama E, Etoh Y, Seto J, Ichihara S, Suzuki Y, Maeda E, Sera N, Horikawa K, Yamamoto T. Analysis of the population genetics of clades of enterohaemorrhagic Escherichia coli O157:H7/H- isolated in three areas in Japan. J Appl Microbiol 2014; 117:1191-7. [PMID: 25047966 DOI: 10.1111/jam.12604] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [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: 02/25/2014] [Revised: 06/30/2014] [Accepted: 07/15/2014] [Indexed: 11/30/2022]
Abstract
AIMS The genetic differences of enterohaemorrhagic Escherichia coli O157 (O157) strains isolated from humans in three widely-separated areas in Japan were analysed to provide information on possible geographic aspects of O157 pathogenicity. METHODS AND RESULTS Epidemiologically unlinked O157 strains were isolated in Chiba (300 strains), Fukuoka (260 strains) and Yamagata (81 strains) prefectures. These strains were classified in clades by single nucleotide polymorphism in seven loci and lineage-specific polymorphism assay-6, and differences between the strains in each clade were compared by population genetic analyses using the IS-printing system. Analysis of the clades from the three areas showed linkage disequilibrium of the strains in each clade. Comparison of the genetic differences of strains from the three areas in each clade, from calculated ΦPT values, indicated that the strains in each clade were the same population in all three areas, except possibly the clade 12 strains. CONCLUSIONS Population genetics analyses confirmed that the distribution of O157 strains in the clades isolated in three areas in Japan were similar and stable. SIGNIFICANCE AND IMPACT OF THE STUDY The pathogenicity of O157 strains infecting humans was comparable due to the similar, stable geographic distribution of O157 clades.
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Affiliation(s)
- S Hirai
- Division of Bacteriology, Chiba Prefectural Institute of Public Health, Chiba, Japan; Department of Microbiology and Molecular Genetics, Graduate School of Pharmaceutical Science, Chiba University, Chiba, Japan
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25
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Kato K, Fujimaki T, Oguri M, Horibe H, Watanabe S, Murohara T, Sawabe M, Nishida T, Ichihara S, Yamada Y. Identification of chromosome 3q28 and ALPK1 as susceptibility loci for chronic kidney disease in Japanese individuals by a genome-wide association study. Eur Heart J 2013. [DOI: 10.1093/eurheartj/eht310.p5051] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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26
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Horibe H, Ueyama T, Kawamiya T, Fujimaki T, Oguri M, Kato K, Yokoi K, Murohara T, Ichihara S, Yamada Y. Association of polymorphisms of CELSR1 and chromosome 3q28 with hypertension in community-dwelling Japanese individuals. Eur Heart J 2013. [DOI: 10.1093/eurheartj/eht308.p1424] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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27
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Horibe H, Ueyama T, Kawamiya T, Fujimaki T, Oguri M, Kato K, Yokoi K, Murohara T, Ichihara S, Yamada Y. Association of a polymorphism of BTN2A1 with dislipidemia in community-dwelling Japanese individuals. Eur Heart J 2013. [DOI: 10.1093/eurheartj/eht307.p696] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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28
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Maeda E, Murakami K, Etoh Y, Ichihara S, Oishi A, Hamasaki M, Horikawa K, Asoshima N, Honda M. P161 Antimicrobial resistance and lineage of Shiga toxin-producing Escherichia coli O91 isolates from humans in Fukuoka Prefecture, Japan. Int J Antimicrob Agents 2013. [DOI: 10.1016/s0924-8579(13)70404-7] [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: 10/26/2022]
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29
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Ichihara S, Kobayashi T, Omura S, Li W, Ding X, Hiraku Y, Hiraku Y, Ichihara G. Occupational health survey on workers handling titanium dioxide. Toxicol Lett 2011. [DOI: 10.1016/j.toxlet.2011.05.963] [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: 11/26/2022]
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30
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Subramanian K, Huang Z, Zhang L, Ichihara S, Ichihara G. Central nervous system toxicity of 1-bromopropane: An oxidative stress hypothesis. Toxicol Lett 2011. [DOI: 10.1016/j.toxlet.2011.05.647] [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: 10/18/2022]
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31
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Mainil JG, Bardiau M, Ooka T, Ogura Y, Murase K, Etoh Y, Ichihara S, Horikawa K, Buvens G, Piérard D, Itoh T, Hayashi T. Typing of O26 enterohaemorrhagic and enteropathogenic Escherichia coli isolated from humans and cattle with IS621 multiplex PCR-based fingerprinting. J Appl Microbiol 2011; 111:773-86. [PMID: 21707882 DOI: 10.1111/j.1365-2672.2011.05089.x] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
AIMS This study evaluated a typing method of O26:H11 enterohaemorrhagic and enteropathogenic Escherichia coli (EHEC and EPEC) based on the variation in genomic location and copy numbers of IS621. METHODS AND RESULTS Two multiplex PCRs, targeting either the left (5') or right (3') IS/chromosome junction of 12 IS621 insertion sites and one PCR specific of another truncated copy, were developed. Thirty-eight amplification profiles were observed amongst a collection of 69 human and bovine O26:H11 EHEC and EPEC. Seventy-one per cent of the 45 EHEC and EPEC with identical IS621 fingerprints within groups of two, three or four isolates had >85% pulsed field gel electrophoresis (PFGE) profile similarity, including four groups of epidemiologically related EHEC or EPEC, while most of the groups had <85% similarity between each others. Epidemiologically related EHEC from each of three independent outbreaks in Japan and Belgium also exhibited identical IS621 fingerprints and PFGE profiles. CONCLUSIONS The IS621 fingerprinting and the PFGE are complementary typing assays of EHEC and EPEC; though, the former is less discriminatory. SIGNIFICANCE AND IMPACT OF THE STUDY The IS621 printing method represents a rapid (24 h) first-line surveillance and typing assay, to compare and trace back O26:H11 EHEC and EPEC during surveys in farms, multiple human cases and outbreaks.
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Affiliation(s)
- J G Mainil
- Bacteriology, Department of Infectious Diseases, Faculty of Veterinary Medicine, University of Liège, Liège, Belgium.
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Ichihara G, Li W, Shibata E, Zhou Z, Ichihara S, Wang H, Wang Q, Li J, Zhang L, Takeuchi Y, Ding X. Dose-dependent neurologic abnormalities in workers exposed to 1-bromopropane. Toxicol Lett 2010. [DOI: 10.1016/j.toxlet.2010.03.259] [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: 11/25/2022]
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33
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Moritani S, Ichihara S, Mukai K, Seki Y, Inoue S, Yasuda A, Hakiri S, Yatabe Y, Eimoto T. Sarcomatoid carcinoma of the thymus arising in metaplastic thymoma. Histopathology 2008; 52:409-11. [DOI: 10.1111/j.1365-2559.2007.02960.x] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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34
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Yamada Y, Ichihara S, Kato K, Yoshida T, Yokoi K, Matsuo H, Watanabe S, Metoki N, Yoshida H, Satoh K, Aoyagi Y, Yasunaga A, Park H, Tanaka M, Lee W, Nozawa Y. Genetic risk for metabolic syndrome: examination of candidate gene polymorphisms related to lipid metabolism in Japanese people. J Med Genet 2008; 45:22-8. [PMID: 17766366 DOI: 10.1136/jmg.2007.052415] [Citation(s) in RCA: 48] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
BACKGROUND The aetiology of metabolic syndrome is complex, being determined by the interplay of both genetic and environmental factors. The aim of this study was to identify genetic polymorphisms that confer susceptibility to metabolic syndrome, to allow prediction of genetic risk for this condition. METHODS The study population comprised 2417 unrelated Japanese subjects (1522 with metabolic syndrome and 895 controls). The genotypes for 44 polymorphisms of 31 candidate genes related to lipid metabolism were determined using a combination of PCR and sequence-specific oligonucleotide probes with suspension array technology. RESULTS The chi(2) test and subsequent multivariate logistic regression analysis with adjustment for age, sex and smoking status found that the-3A-->G and 553G-->T (Gly185Cys) polymorphisms of APOA5, the 2052T-->C (Val653Val) and 1866C-->T (Asn591Asn) polymorphisms of LDLR, the 13989A-->G (Ile118Val) polymorphism of CYP3A4 and the 1014T-->A polymorphism of C1QTNF5 were significantly (false discovery rate <0.05) associated with the prevalence of metabolic syndrome, with the variant alleles of APOA5 and C1QTNF5 representing risk factors for and those of LDLR and CYP3A4 being protective against this condition. Serum levels of triglycerides and high-density lipoprotein (HDL) cholesterol differed significantly (p<0.05) among APOA5 genotypes; the serum level of HDL cholesterol differed among LDLR genotypes; and the fasting plasma glucose level and body mass index differed between CYP3A4 and C1QTNF5 genotypes, respectively. CONCLUSIONS APOA5, LDLR, CYP3A4 and C1QTNF5 are susceptibility loci for metabolic syndrome in Japanese people. Genotypes for these polymorphisms may prove informative for prediction of genetic risk for metabolic syndrome.
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Affiliation(s)
- Y Yamada
- Department of Human Functional Genomics, Life Science Research Center, Mie University, 1577 Kurima-machiya, Tsu, Mie 514-8507, Japan.
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36
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Yamada Y, Kato K, Oguri M, Fujimaki T, Yokoi K, Matsuo H, Watanabe S, Metoki N, Yoshida H, Satoh K, Ichihara S, Aoyagi Y, Yasunaga A, Park H, Tanaka M, Nozawa Y. Genetic risk for myocardial infarction determined by polymorphisms of candidate genes in a Japanese population. J Med Genet 2007; 45:216-21. [DOI: 10.1136/jmg.2007.054387] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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37
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Tabuchi T, Ohashi H, Fukami S, Susaki N, Kunishima S, Yokozawa T, Nagai H, Moritani S, Ichihara S, Saito H, Hamaguchi M. A case of myelofibrosis with myeloid metaplasia with JAK2(V617F) mutation who developed fibrous tumours in multiple organs. Eur J Haematol 2006; 77:264-6. [PMID: 16923114 DOI: 10.1111/j.1600-0609.2006.00695.x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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38
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Linghu H, Tsuda M, Makino Y, Sakai M, Watanabe T, Ichihara S, Sawa H, Nagashima K, Mochizuki N, Tanaka S. Involvement of adaptor protein Crk in malignant feature of human ovarian cancer cell line MCAS. Oncogene 2006; 25:3547-56. [PMID: 16491127 DOI: 10.1038/sj.onc.1209398] [Citation(s) in RCA: 49] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
Signaling adaptor protein Crk regulates cell motility and growth through its targets Dock180 and C3G, those are the guanine-nucleotide exchange factors (GEFs) for small GTPases Rac and Rap, respectively. Recently, overexpression of Crk has been reported in various human cancers. To define the role for Crk in human cancer cells, Crk expression was targeted in the human ovarian cancer cell line MCAS through RNA interference, resulting in the establishment of three Crk knockdown cell lines. These cell lines exhibited disorganized actin fibers, reduced number of focal adhesions, and abolishment of lamellipodia formation. Decreased Rac activity was demonstrated by pull-down assay and FRET-based time-lapse microscopy, in association with suppression of both motility and invasion by phagokinetic track assay and transwell assay in these cells. Furthermore, Crk knockdown cells exhibited slow growth rates in culture and suppressed anchorage-dependent growth in soft agar. Tumor forming potential in nude mice was attenuated, and intraperitoneal dissemination was not observed when Crk knockdown cells were injected into the peritoneal cavity. These results suggest that the Crk is a key component of focal adhesion and involved in cell growth, invasion, and dissemination of human ovarian cancer cell line MCAS.
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Affiliation(s)
- H Linghu
- Laboratory of Molecular and Cellular Pathology, Hokkaido University Graduate School of Medicine, Sapporo, Hokkaido, Japan
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Takeuchi M, Ichihara S, Takano T, Kumakura M, Yabuzaki T, Takahashi Y. Spin squeezing via one-axis twisting with coherent light. Phys Rev Lett 2005; 94:023003. [PMID: 15698170 DOI: 10.1103/physrevlett.94.023003] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/17/2004] [Indexed: 05/24/2023]
Abstract
We propose a new method of spin squeezing of atomic spin, based on the interactions between atoms and off-resonant light which are known as paramagnetic Faraday rotation and the fictitious magnetic field of light. Since the projection process, squeezed light, or special interactions among the atoms are not required in this method, it can be widely applied to many systems. The attainable range of the squeezing parameter is zeta greater, similarS(-2/5), where S is the total spin, which is limited by additional fluctuations imposed by coherent light and the spherical nature of the spin distribution.
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Affiliation(s)
- M Takeuchi
- Department of Physics, Graduate School of Science, Kyoto University, Kyoto 606-8502, Japan
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40
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Ichihara S, Sato Y, Endo T. Recurrence of breast cancer following local excision alone for ductal carcinoma in situ. Breast Cancer 2002; 8:259. [PMID: 11771499 DOI: 10.1007/bf02967520] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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42
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Yamada Y, Ichihara S, Izawa H, Tanaka M, Yokota M. Association of a G994 --> T (Val279 --> Phe) polymorphism of the plasma platelet-activating factor acetylhydrolase gene with myocardial damage in Japanese patients with nonfamilial hypertrophic cardiomyopathy. J Hum Genet 2002; 46:436-41. [PMID: 11501940 DOI: 10.1007/s100380170042] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Plasma platelet-activating factor acetylhydrolase (PAF-AH) acts as a key defense against oxidative stress by hydrolyzing PAF and oxidized phospholipids. Deficiency of the activity of this enzyme may thus potentially result in predisposition to myocardial damage. The possible role of the G994 (V allele) --> T (F allele) polymorphism of the PAF-AH gene in modulating cardiac function was investigated in 142 Japanese subjects with nonfamilial hypertrophic cardiomyopathy (HCM). Logistic regression analysis adjusted for age, sex, height, and body weight revealed that the frequency of the F allele was significantly higher in HCM patients than in 284 healthy controls. Echocardiographic examination revealed that left ventricular (LV) end-diastolic and end-systolic dimensions were significantly greater in HCM patients with the FF genotype than in those with the VV genotype. Cardiac catheterization revealed that LV end-diastolic pressure was significantly higher, whereas the LV ejection fraction was significantly smaller, for HCM patients with the F allele than for those with the VV genotype. Interstitial fibrosis was significantly more severe in HCM subjects with the FF genotype than in those with the VV genotype. These results suggest that the G994 --> T (Val279 --> Phe) polymorphism in the plasma PAF-AH gene may exacerbate cardiac damage in Japanese individuals with nonfamilial HCM, although this polymorphism is unlikely to be a causative factor for this condition.
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Affiliation(s)
- Y Yamada
- Department of Gene Therapy, Gifu International Institute of Biotechnology, Yagi Memorial Park, Kani-gun, Japan.
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Goto A, Aoki M, Ichihara S, Kitagawa Y. alpha-, beta- or gamma-chain-specific RNA interference of laminin assembly in Drosophila Kc167 cells. Biochem J 2001; 360:167-72. [PMID: 11696004 PMCID: PMC1222214 DOI: 10.1042/0264-6021:3600167] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
Drosophila laminin alphabetagamma trimer assembly in Kc167 cells was perturbed by chain-specific RNA interference (RNAi). The intracellular pool of alpha and gamma chains remained unchanged under beta-chain RNAi by lipofection of double-stranded RNA encoding a beta-chain partial sequence. This was also the case for the intracellular pool of alpha and beta chains under gamma-chain-specific RNAi. Nonetheless, the intracellular pool of beta and gamma chains increased markedly under alpha-chain-specific RNAi. Non-reducing SDS/PAGE revealed that some of the increased beta and gamma chains migrated as disulphide-linked betagamma dimers but that the rest migrated as monomers. Since the monomeric beta and gamma bands detected under alpha-chain RNAi were denser than the beta band under gamma-chain RNAi and the gamma band under beta-chain RNAi, respectively, beta and gamma also appeared to accumulate by forming betagamma dimers without the disulphide linkage. We suggest that interconversion of these betagamma dimers is crucial for the replaceable and selective assembly of the alpha chain for alphabetagamma trimer formation.
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Affiliation(s)
- A Goto
- Graduate Program for Regulation of Biological Signals, Graduate School of Bioagricultural Sciences, Nagoya University, Furo-cho, Chikusa-ku, Nagoya-shi 464-8601, Japan
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Iwase H, Ando Y, Ichihara S, Toyoshima S, Nakamura T, Karamatsu S, Ito Y, Yamashita H, Toyama T, Omoto Y, Fujii Y, Mitsuyama S, Kobayashi S. Immunohistochemical analysis on biological markers in ductal carcinoma in situ of the breast. Breast Cancer 2001; 8:98-104. [PMID: 11342981 DOI: 10.1007/bf02967487] [Citation(s) in RCA: 20] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
BACKGROUND The increasing use of mammographic screening has led to an increased detection of ductal carcinoma in situ (DCIS) of the breast. The detailed biological characteristics of DCIS and a new classification of DCIS based on these characteristics are needed. METHODS Immunohistochemical studies were performed to assess the expression of c-erbB-2 (ErbB-2), estrogen receptor (ER), p53 and proliferative activity (Ki-67) in 65 patients with pure DCIS and 60 with invasive ductal carcinoma (IDC). We classified pure DCIS tumors using three classifications, the architectural, Nottingham, and Van Nuys classifications. RESULTS ErbB-2, ER and p53 staining was positive in 34%, 66% and 21% of patients with DCIS, respectively, and 58%, 42% and 33% in patients with IDC, respectively. Ki-67 stained positively in 1.5% of patients with DCIS and 11.2% of patients with IDC. The comedo type showed a high rate of positive ErbB-2 and p53 staining. The cribriform and papillary types showed a high rate of positive ER staining. Under the Van Nuys classification, ErbB-2, p53 and Ki-67 expression were highest in the group with high nuclear grade and lowest in the group with non-high nuclear grade without necrosis. CONCLUSION Although the biological markers of IDC tended to suggest aggressive behavior more so than those of DCIS, these differences were based on the histological sub-type, comedo or non-comedo. The Van Nuys classification best defined the subgroups of DCIS with a distinct expression pattern of biological markers, and the best candidates for breast-conserving surgery.
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MESH Headings
- Adult
- Aged
- Biomarkers, Tumor/analysis
- Biomarkers, Tumor/genetics
- Biomarkers, Tumor/immunology
- Breast Neoplasms/chemistry
- Breast Neoplasms/classification
- Breast Neoplasms/genetics
- Carcinoma, Ductal, Breast/chemistry
- Carcinoma, Ductal, Breast/classification
- Carcinoma, Ductal, Breast/genetics
- Carcinoma, Intraductal, Noninfiltrating/chemistry
- Carcinoma, Intraductal, Noninfiltrating/classification
- Carcinoma, Intraductal, Noninfiltrating/genetics
- Gene Expression Regulation, Neoplastic
- Genes, erbB-2/genetics
- Genes, erbB-2/immunology
- Humans
- Immunohistochemistry
- Ki-67 Antigen/analysis
- Ki-67 Antigen/immunology
- Middle Aged
- Receptors, Estrogen/analysis
- Receptors, Estrogen/immunology
- Tumor Suppressor Protein p53/analysis
- Tumor Suppressor Protein p53/immunology
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Affiliation(s)
- H Iwase
- Department of Surgery II, Nagoya City University Medical School, Kawasumi 1, Mizuho-ku, Nagoya 467-8601, Japan
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Ichihara S, Senbonmatsu T, Price E, Ichiki T, Gaffney FA, Inagami T. Angiotensin II type 2 receptor is essential for left ventricular hypertrophy and cardiac fibrosis in chronic angiotensin II-induced hypertension. Circulation 2001; 104:346-51. [PMID: 11457756 DOI: 10.1161/01.cir.104.3.346] [Citation(s) in RCA: 190] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
BACKGROUND The roles of angiotensin II (Ang II) in the regulation of heart function under normal and pathological conditions have been well documented. Although 2 types of Ang II receptor (AT(1) and AT(2)) are found in various proportions, most studies have focused on AT(1)-coupled events. In the present study, we examined the hypothesis that signaling by AT(2) is important to the development of left ventricular hypertrophy and cardiac fibrosis by Ang II infusion in mice lacking the AT(2) gene (Agtr2-/Y). METHODS AND RESULTS Male Agtr2-/Y and age-matched wild-type (WT) mice were treated long-term with Ang II, infused at a rate of 4.2 ng. kg(-1). min(-1) for 3 weeks. Ang II elevated systolic blood pressure to comparable levels in Agtr2-/Y and WT mice. WT mice developed prominent concentric cardiac hypertrophy, prominent fibrosis, and impaired diastolic relaxation after Ang II infusion. In contrast, there was no cardiac hypertrophy in Agtr2-/Y mice. Agtr2-/Y mice, however, did not show signs of heart failure or impairment of ventricular relaxation and only negligible fibrosis after Ang II infusion. The absence of fibrosis may be a clue to the absence of impairment in ventricular relaxation and account for the normal left ventricular systolic and diastolic performances in Agtr2-/Y mice. CONCLUSIONS Chronic loss of AT(2) by gene targeting abolished left ventricular hypertrophy and cardiac fibrosis in mice with Ang II-induced hypertension.
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MESH Headings
- Angiotensin II
- Animals
- Chronic Disease
- Collagen/biosynthesis
- Collagen/genetics
- Diastole
- Disease Models, Animal
- Echocardiography
- Echocardiography, Doppler
- Endomyocardial Fibrosis/complications
- Endomyocardial Fibrosis/etiology
- Endomyocardial Fibrosis/pathology
- Fibronectins/biosynthesis
- Fibronectins/genetics
- Hypertension/chemically induced
- Hypertension/complications
- Hypertension/metabolism
- Hypertension/pathology
- Hypertrophy, Left Ventricular/complications
- Hypertrophy, Left Ventricular/etiology
- Hypertrophy, Left Ventricular/pathology
- Male
- Mice
- Mice, Inbred C57BL
- Mice, Knockout
- Myocardium/metabolism
- Myocardium/pathology
- RNA, Messenger/biosynthesis
- Receptor, Angiotensin, Type 1
- Receptor, Angiotensin, Type 2
- Receptors, Angiotensin/biosynthesis
- Receptors, Angiotensin/deficiency
- Receptors, Angiotensin/genetics
- Receptors, Angiotensin/metabolism
- Systole
- Transforming Growth Factor beta/biosynthesis
- Transforming Growth Factor beta/genetics
- Transforming Growth Factor beta1
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Affiliation(s)
- S Ichihara
- Department of Biochemistry, Vanderbilt University School of Medicine, Nashville, Tennessee, USA
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46
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Ichihara S, Suzuki H, Kasami M, Aoyama H, Sato Y, Oiwa M, Kurokawa K, Endo T. A new method of margin evaluation in breast conservation surgery using an adjustable mould during fixation. Histopathology 2001; 39:85-92. [PMID: 11454048 DOI: 10.1046/j.1365-2559.2001.01141.x] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
AIMS We have developed a new method of breast resection margin assessment in quadrantectomy using an adjustable mould to prevent the three-dimensional specimen from distorting during fixation. METHODS AND RESULTS The new method has been applied to 10 consecutive quadrantectomies (six invasive duct carcinomas, four duct carcinoma in situ with or without microinvasion). The precise configuration of the fixed specimen enabled pathologists to examine the side slices, the 5 mm thick slices cut parallel to the flat lateral margins of the specimen, permitting the separation of margin evaluation from tumour characterization. Eight cases with negative margins by our method would also be negative by assessment of inked margins since the margin widths were estimated to be from 5 to 30 mm (average 16.3 mm); two cases with positive margins would also be positive by inked margins. CONCLUSIONS Our new method was as reliable as the inked margins employing sequential slicing of the entire tissue, although it reduced the number of blocks by more than half in invasive carcinomas. A further advantage of this method is that the accuracy in margin evaluation is not influenced by the extent of tumour sampling. In addition, our system can pinpoint the positive margins facilitating re-excision to obtain tumour-free margins.
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Affiliation(s)
- S Ichihara
- Department of Pathology and Clinical Laboratories, Nagoya National Hospital, Nagoya, Japan.
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47
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Moriya T, Kasami M, Akiyama F, Ichihara S, Kurosumi M, Tsuda H, Umemura S, Akashi-Tanaka S, Imamura H, Iwase H, Shin E, Harada Y, Mitsuyama S, Ohuchi N. A proposal for the histopathological diagnosis of ductal carcinoma in situ of the breast. Breast Cancer 2001; 7:321-5. [PMID: 11114858 DOI: 10.1007/bf02966398] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
BACKGROUND As the incidence of ductal carcinoma in situ (DCIS) is increasing, it is necessary to make a guideline for the pathological examination and diagnosis of DCIS, by creating criteria based on clinical and biological aspects of the disease. METHOD We collected biopsy specimens originally diagnosed as benign lesions, from patients who subsequently developed invasive carcinoma in the ipsilateral breast. The histology of the biopsy specimens was re-evaluated principally according to the 1995 Philadelphia Consensus on DCIS. Histopathological agreement on each biopsy specimen was made by the JBCS Study Group members under a multiviewer microscope. In the course of making conclusive agreements among the pathologists, we developed a consensus for the histopathological diagnosis of DCIS, especially non-comedo types. RESULTS DCIS is defined as a carcinoma of ductal epithelial origin, without any evidence of stromal invasion. It is necessary to note the methods of pathologic examination required to diagnose DCIS. Stromal invasion is an important prognostic factor, and should be diagnosed with caution. Classification of proliferative ductal lesions as benign or malignant (DCIS), the subtype of DCIS (nuclear grade, architecture, and necrosis), and the histological grading of DCIS are proposed and recommended. CONCLUSION Although we have made a new proposal according to current concepts, there are still several unresolved problems. Thus further examination and modification will be necessary in the future.
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Affiliation(s)
- T Moriya
- Department of Pathology, Tohoku University Hospital, 1-1 Seiryo-machi, Aoba-ku, Sendai 980-8574, Japan
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48
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Mitsuoka Y, Niwa T, Ichihara S, Kato K, Muramatsu H, Nakajima K, Shikida M, Sato K. Microfabricated silicon dioxide cantilever with subwavelength aperture. J Microsc 2001; 202:12-5. [PMID: 11298862 DOI: 10.1046/j.1365-2818.2001.00867.x] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
We have developed a microfabricated SiO2 cantilever with subwavelength aperture for scanning near-field optical microscopy (SNOM), to overcome the disadvantages of conventional optical fibre probes such as low reproducibility and low optical throughput. The microcantilever, which has a SiO2 cantilever and an aperture tip near the end of the cantilever, is fabricated in a reproducible batch process. The circular aperture with a diameter of 100-150 nm is formed by a focused ion-beam technique. Incident light is directly focused on the aperture from the rear side of the cantilever using a focusing objective, and high optical throughput (10(-2) to 10(-3)) is obtained. The microcantilever can be operated as a SNOM probe in contact mode or in dynamic mode.
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Affiliation(s)
- Y Mitsuoka
- Seiko Instruments Inc., 563 Takatsuka-Shinden, Matsudo-shi, Chiba 270-2222, Japan.
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49
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Inagaki H, Hayashi T, Matsushima Y, Lin KH, Maeda S, Ichihara S, Kitagawa Y, Saito T. Isolation of rat mitochondrial transcription factor A (r-Tfam) cDNA. DNA Seq 2001; 11:131-5. [PMID: 10902920 DOI: 10.3109/10425170009033980] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
We have isolated rat mitochondrial transcription factor A (Tfam; formerly known as mtTFA) cDNA clones from a rat cerebellum cDNA library using human Tfam cDNA as a probe. The deduced amino acid sequence of r-Tfam shows 62% and 89% overall identity to human and mouse Tfam, respectively. We also show the presence of two r-Tfam isoforms in testis as for mouse. Our findings suggest that the mechanisms underlying transcription of mitochondrial genes are conserved among rat, mouse, and human.
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Affiliation(s)
- H Inagaki
- Department of Chemistry, National Industrial Research Institute of Nagoya, Japan.
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50
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Lin T, Ichihara S, Yamada Y, Nagasaka T, Ishihara H, Nakashima N, Yokota M. Phenotypic variation of familial hypertrophic cardiomyopathy caused by the Phe(110)-->Ile mutation in cardiac troponin T. Cardiology 2000; 93:155-62. [PMID: 10965086 DOI: 10.1159/000007020] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.7] [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] [Indexed: 11/19/2022]
Abstract
Mutation of the cardiac troponin T (cTnT) gene is a genetic determinant of familial hypertrophic cardiomyopathy (HCM). A Japanese family of 14 individuals, including 6 with HCM, was subjected to genetic and clinical assessment. Five exons of the cTnT gene were sequenced in all family members. A heterozygous or homozygous T(340)-->A (Phe(110)-->Ile) mutation in exon 9 of the cTnT gene was detected in 11 subjects. Morphological and functional evaluation of the left and right ventricles by echocardiography revealed that 4 of 9 individuals heterozygous for the mutant allele exhibited HCM with moderate cardiac hypertrophy. Cardiac hypertrophy and other clinical features in the 2 subjects homozygous for the mutation were more severe than were those in heterozygous individuals with HCM. Thus, the clinical features of HCM due to the Phe(110)-->Ile mutation in the cTnT gene appear to be modified by a gene dosage effect.
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Affiliation(s)
- T Lin
- Department of Clinical Laboratory Medicine, Nagoya University School of Medicine, Nagoya, Japan
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