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Matsuura S, Sakata Y, Tsuruoka N, Miyahara K, Hara M, Ito Y, Nakayama K, Shimamura T, Noda T, Yukimoto T, Shimoda R, Iwakiri R, Fujimoto K. Outcomes of Patients Undergoing Endoscopic Hemostasis for the Upper Gastrointestinal Bleeding Were Not Influenced by the Timing of Hospital Emergency Visits: A Situation Prevailing in Japan. Digestion 2018; 97:260-266. [PMID: 29428942 DOI: 10.1159/000485653] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/25/2017] [Accepted: 11/23/2017] [Indexed: 02/04/2023]
Abstract
BACKGROUND The aim of the present study was to determine differences in the prognosis of patients in Japan who underwent emergency endoscopic hemostasis (i) during regular hours versus off hours and (ii) as outpatients versus hospitalized patients. METHODS The present retrospective study included 443 patients who underwent emergency endoscopic hemostasis for non-variceal upper gastrointestinal bleeding from January 2008 to December 2014. These patients were classified into 2 groups: hospitalized patients and outpatients. The outpatients were further subclassified into those who visited the hospital during regular hours and those who visited during off hours. RESULTS The outcomes of outpatients who underwent emergency hemostasis during off hours did not differ from patients treated during regular hours. Multivariate analysis revealed that outcomes of hospitalized patients, including mortality, need for blood transfusion and length of hospitalization, were worse than those of outpatients; it also revealed that patient age, malnutrition rate and prevalence of diabetes and neoplasms were higher among hospitalized patients than those in outpatients. CONCLUSIONS The clinical outcomes of patients who underwent emergency endoscopic hemostasis for upper gastrointestinal bleeding during off hours did not differ from those of patients treated during regular hours. Outcomes were worse among hospitalized patients, mainly because of their bad general condition.
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Tsuruoka N, Iwakiri R, Sakata Y, Fujimoto K, Kamiya T, Joh T, Tokunaga K, Takahashi S, Kinoshita Y, Uchiyama K, Naito Y, Nagahara A, Watanabe T, Chan FKL, Hahm KB, Kachintorn U, Fock KM, Syam AF, Rani AA, Sollano JD, Zhu Q. Questionnaire-Based Survey on Gastrointestinal Bleeding and Management of Antithrombotic Agents during Endoscopy Among Asian Countries. Digestion 2018; 97:97-106. [PMID: 29402809 DOI: 10.1159/000484228] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
OBJECTIVE Guidelines on the management of antithrombotic therapy for endoscopic procedures vary among countries. Differences in the management of antithrombotic agents for endoscopic procedures between Western and Eastern countries have already been reported. However, no study has investigated the differences among Asian countries. The aim of this study was to examine the differences in the etiology of gastrointestinal bleeding and management of antithrombotic agents during endoscopic procedures between Japan and other Asian countries (OAC). METHODS Questionnaires regarding gastrointestinal bleeding in clinical practice and management of antithrombotic agents during endoscopy were distributed to members of the International Gastroenterology Consensus Symposium Study Group. We analyzed the questionnaire answers and compared the results between Japan and OAC. RESULTS The cause of and treatment methods for gastrointestinal bleeding differed between Japan and OAC. In Japan, the trend was to continue drugs at the time of biopsy and endoscopic therapy. Even in cases of discontinuation, the drug withdrawal period was as short as <3 days. Thrombotic complications caused by the withdrawal of antithrombotic agents were observed more frequently in Japan (34.78%) than in OAC (22.46%; p = 0.016). CONCLUSION Due to differences in guidelines and complications associated with discontinuation of drugs, the antithrombotic withdrawal period in Japan tended to be shorter than that in OAC.
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Yamamoto K, Shimoda R, Ogata S, Hara M, Ito Y, Tominaga N, Nakayama A, Sakata Y, Tsuruoka N, Iwakiri R, Fujimoto K. Perforation and Postoperative Bleeding Associated with Endoscopic Submucosal Dissection in Colorectal Tumors: An Analysis of 398 Lesions Treated in Saga, Japan. Intern Med 2018; 57:2115-2122. [PMID: 29607956 PMCID: PMC6120842 DOI: 10.2169/internalmedicine.9186-17] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
Objective The aim of this study was to clarify the safety of colorectal endoscopic submucosal dissection (ESD) during the era of health insurance coverage starting from April 2012 in Japan. Methods Between April 2012 and May 2016, ESD was applied to 398 lesions in 373 patients. Risk factors for serious complications of colorectal ESD, perforation and post-ESD bleeding, were evaluated focusing on the resected specimen size, location, growth pattern, invasion depth, histopathology, postoperative clipping, and procedure time. In addition, the relationship between serious complications and patients' background characteristics was analyzed. Results Among 373 patients, perforation occurred in 12 patients and post-ESD bleeding in 19 patients. A univariate analysis showed that the risk factors for perforation were the lesion size, the resected specimen size, and a long operation time. A multivariate analysis showed that a long operation time was a risk factor for perforation during colorectal ESD. A univariate analysis indicated that significant risk factors for postoperative bleeding were a long operation time, rectal lesion, and cancer. All patients with serious complications were treated by an endoscopic procedure without blood transfusion or the need to convert to open surgery. Conclusion The present study suggests that colorectal ESD may be accepted with relative safety in Japan as a common therapeutic approach for early colorectal cancer.
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Yukimoto T, Morisaki T, Komukai S, Yoshida H, Yamaguchi D, Tsuruoka N, Miyahara K, Sakata Y, Shibasaki S, Tsunada S, Noda T, Yunotani S, Fujimoto K. The Palliative Effect of Endoscopic Uncovered Self-expandable Metallic Stent Placement Versus Gastrojejunostomy on Malignant Gastric Outlet Obstruction: A Pilot Study with a Retrospective Chart Review in Saga, Japan. Intern Med 2018; 57:1517-1521. [PMID: 29434131 PMCID: PMC6028667 DOI: 10.2169/internalmedicine.0171-17] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
Objective Endoscopic self-expandable metallic stent (SEMS) placement and gastrojejunostomy (GJY) are palliative treatments for malignant gastric outlet obstruction (GOO). The aim of the present study was to compare the palliative effects of these treatments and identify predictors of a poor oral intake after treatment. Methods and Patients In total, 65 patients with GOO at multiple centers in Saga, Japan, were evaluated. Thirty-eight patients underwent SEMS placement, and 27 underwent GJY from January 2010 to December 2016. The characteristics and outcomes of the two groups were compared to detect predictors of treatment failure. Results No significant differences in the technical success, clinical success, post-treatment total protein, hospital discharge, duration from eating disability to death, or post-treatment overall survival were present between the SEMS and GJY groups. More patients in the GJY group than in the SEMS group received chemotherapy (51.4% vs. 26.3%, respectively; p=0.042). The period from treatment to the first meal was longer in the GJY group than in the SEMS group (4.5 vs. 3.0 days, respectively; p=0.013). The present study did not identify any risk factors for failure of SEMS placement. Although the stent length tended to be associated with a poor prognosis, the correlation was not statistically significant (odds ratio: 0.60, 95% confidence interval: 0.36-1.01, p=0.053). Conclusion Patients with GOO started meals more promptly after SEMS than after GJY, but the clinical outcomes were not markedly different between the SEMS and GJY groups. These findings suggest that endoscopic uncovered SEMS placement might be a feasible palliative treatment for GOO.
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Ito Y, Sakata Y, Yoshida H, Nonaka S, Fujii S, Tanaka Y, Shirai S, Takeshita E, Akutagawa T, Kawakubo H, Yamamoto K, Tsuruoka N, Shimoda R, Iwakiri R, Fujimoto K. High Cost of Hospitalization for Colonic Diverticular Bleeding Depended on Repeated Bleeding and Blood Transfusion: Analysis with Diagnosis Procedure Combination Data in Japan. Digestion 2018; 96:76-80. [PMID: 28723691 DOI: 10.1159/000478256] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/28/2017] [Accepted: 06/06/2017] [Indexed: 02/04/2023]
Abstract
BACKGROUND Bleeding from a colonic diverticulum is serious in aged patients. The aim of this study was to determine the risk factors for high-cost hospitalization of colonic diverticular bleeding using the diagnosis procedure combination (DPC) data. METHODS From January 2009 to December 2015, 78 patients with colonic diverticular bleeding were identified by DPC data in Saga Medical School Hospital. All patients underwent colonic endoscopy within 3 days. The patients were divided into 2 groups: the low-cost group (DPC cost of <500,000 yen) and the high-cost group (DPC cost of >500,000 yen). RESULTS Univariate analysis revealed that aging, hypertension, rebleeding, a low hemoglobin concentration at admission, and blood transfusion were risk factors for high hospitalization cost. Multivariate analysis revealed that rebleeding (OR 5.3; 95% CI 1.3-21.3; p = 0.017) and blood transfusion (OR 3.8; 95% CI 1.01-14.2; p = 0.048) were definite risk factors for high hospitalization cost. CONCLUSION Rebleeding and blood transfusion were related to high hospitalization cost for colonic diverticular bleeding.
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Shirai S, Hara M, Sakata Y, Tsuruoka N, Yamamoto K, Shimoda R, Gomi Y, Yoshii H, Fujimoto K, Iwakiri R. Immunogenicity of Quadrivalent Influenza Vaccine for Patients with Inflammatory Bowel Disease Undergoing Immunosuppressive Therapy. Inflamm Bowel Dis 2018; 24. [PMID: 29538682 PMCID: PMC6176891 DOI: 10.1093/ibd/izx101] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
BACKGROUND AND AIMS No reports have described the immunogenicity and boosting effect of the quadrivalent inactivated influenza vaccine (QIV) in adults with inflammatory bowel disease. METHODS Adults with Crohn's disease or ulcerative colitis were randomly assigned to a single vaccination group or booster group, and a QIV was administered subcutaneously. Serum samples were collected before vaccination, 4 weeks after vaccination, and after the influenza season in the single vaccination group. In the booster group, serum samples were taken before vaccination, 4 weeks after the first vaccination, 4 weeks after the second vaccination, and after the influenza season. We measured hemagglutination inhibition antibody (HAI) titer and calculated the geometric mean titer ratio (GMTR), seroprotection rate, and seroconversion rate. RESULTS In total, 132 patients were enrolled. Twenty-two patients received immunomodulatory monotherapy and 16 received anti-tumor necrosis factor-α (anti-TNF-α) single-agent therapy. Fifteen patients received combination therapy comprising an immunosuppressant and anti-TNF-α agent. Each vaccine strain showed immunogenicity satisfying the European Medicines Agency criteria with a single inoculation. The booster influenza vaccination did not induce additional response. In patients administered infliximab, the seroprotection rate and seroconversion rate tended to be lower in patients who maintained blood concentrations [seroprotection rate: H1N1: OR, 0.37 (95% CI, 0.11-1.21); H3N2: 0.22 (0.07-0.68); seroconversion rate: H1N1: 0.23 (0.06-0.91); H3N2: 0.19 (0.06-0.56)]. CONCLUSION Single dose QIV showed sufficient immunogenicity in patients with inflammatory bowel disease, and a boost in immunization by additional vaccination was not obtained. Additionally, immunogenicity was low in patients receiving infliximab therapy.
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Yamaguchi D, Sakata Y, Yoshida H, Furukawa NE, Tsuruoka N, Higuchi T, Watanabe A, Shimoda R, Tsunada S, Iwakiri R, Fujimoto K. Effectiveness of Endoscopic Hemostasis with Soft Coagulation for Non-Variceal Upper Gastrointestinal Bleeding over a 12-Year Period. Digestion 2018; 95:319-326. [PMID: 28564642 DOI: 10.1159/000477439] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/10/2017] [Accepted: 05/08/2017] [Indexed: 02/04/2023]
Abstract
BACKGROUND/AIMS In this study, investigations were carried out to ascertain whether soft coagulation hemostasis for non-variceal upper gastrointestinal bleeding (UGIB) has ever been performed in a time-dependent manner. METHODS Medical records of 502 patients who had undergone emergency endoscopic hemostasis for non-variceal UGIB from 2003 to 2014 were checked and the modalities were used to achieve hemostasis compared between the first period from 2003 to 2008 (197 patients) and the second period from 2009 to 2014 (305 patients). RESULTS Endoscopic hemostasis was successfully achieved in 96.0% of study patients. Peptic ulcers were the main cause of bleeding (89.4%). Endoscopic hemostasis was performed by soft coagulation significantly more frequently during the second (71.1%) than the first period (11.7%; p < 0.001). Endoscopic hemostasis was mainly achieved by trainees during the second period (76.1%); these trainees comprised a significantly greater proportion of endoscopists than during the first period (56.3%; p < 0.001). Endoscopic-related complications did not differ between the 2 periods. The only risk factor for rebleeding after hemostasis was Helicobacter pylori infection; the use of soft coagulation and the fact that endoscopists were just trainees were not risk factors. CONCLUSION Our findings suggest that using soft coagulation to achieve endoscopic hemostasis for non-variceal UGIB is safe and effective, even when it is performed by trainees.
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Kawachi K, Sakata Y, Hara M, Takeshita E, Kawakubo H, Yamaguchi D, Okamoto N, Shimoda R, Iwakiri R, Tsuruoka N, Kusano M, Fujimoto K. Higher frequency of upper gastrointestinal symptoms in healthy young Japanese females compared to males and older generations. Esophagus 2018; 15:83-87. [PMID: 29892932 PMCID: PMC5884897 DOI: 10.1007/s10388-017-0598-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/07/2017] [Accepted: 12/11/2017] [Indexed: 02/03/2023]
Abstract
BACKGROUND The aim of this study was to evaluate the differences in upper gastrointestinal symptoms between generations and genders in relatively healthy Japanese subjects. METHODS Altogether, 4086 healthy Japanese male and female (M/F) adults (M/F: 2244/1842) were analyzed. Among them, 3505 subjects (M/F: 1922/1583) were underwent a routine medical checkup at one of five hospitals in Saga, Japan from January 2013 to December 2013. The others were 581 (M/F: 322/259) healthy young volunteers at the Saga Medical School from April 2007 to March 2013. The participants were asked to complete the frequency scale for the symptoms of gastroesophageal reflex disease (FSSG) questionnaire, undergo upper gastrointestinal endoscopy, and submit to a rapid urease test to diagnose Helicobacter pylori infection. Among the 4086 subjects, the 2414 who had no H. pylori infection and no positive endoscopic findings were enrolled in the study. RESULTS Subjects' average age was 46.9 ± 12.2 years, with males' and females' ages being almost equivalent. The total FSSG score were high in females compared to males (P < 0.01) and decreased significantly with aging (P < 0.05). Among the generations, FSSG scores were the highest for those 20-29 years old, and they were significantly decreased with ageing in both males and females (P < 0.05). CONCLUSION The FSSG score was significantly higher in healthy Japanese females than in males, and the scores decreased with aging.
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Tanaka Y, Sakata Y, Hara M, Kawakubo H, Tsuruoka N, Yamamoto K, Itoh Y, Hidaka H, Shimoda R, Iwakiri R, Fujimoto K. Risk Factors for Helicobacter pylori Infection and Endoscopic Reflux Esophagitis in Healthy Young Japanese Volunteers. Intern Med 2017; 56:2979-2983. [PMID: 28943553 PMCID: PMC5725850 DOI: 10.2169/internalmedicine.8669-16] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/13/2023] Open
Abstract
Objective The aim of this study was to determine the prevalence and risk factors of reflux esophagitis and Helicobacter pylori (H.pylori) infection and their interrelationship in healthy young Japanese volunteers. Methods Between 2010 and 2016, 550 fifth-year medical students at Saga Medical School, aged 22 to 30 years, underwent upper gastrointestinal endoscopy and completed a questionnaire (frequency scale for symptoms of gastroesophageal reflux disease). H. pylori infection was determined by detecting urinary immunoglobulin G antibodies. Results H. pylori antibodies were detected in 45 of the 550 subjects (8.2%). Endoscopic reflux esophagitis was detected in 38 out of 550 (6.9%): grade A in 37 subjects (97.3%) and grade B in 1. Most subjects with reflux esophagitis were H. pylori-negative (35/37). Nodular gastritis was observed in 33.3% (15/45) of H. pylori-positive subjects. The risk factors for H. pylori infection were drinking well water in childhood, nodular gastritis, and duodenal ulcer scars. The risk factors for endoscopic reflux esophagitis were male gender and obesity (body mass index ≥25). Conclusion This study describes the risk factors for H. pylori infection and reflux esophagitis in healthy young Japanese subjects. The prevalence of reflux esophagitis was relatively high, and the infection rate of H. pylori was low compared with the aged Japanese population.
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Akutagawa T, Shindo T, Yamanouchi K, Hayakawa M, Ureshino H, Tsuruoka N, Sakata Y, Shimoda R, Noguchi R, Furukawa K, Morita S, Iwakiri R, Kimura S, Matsumoto M, Fujimoto K. Persistent Gastrointestinal Angiodysplasia in Heyde's Syndrome after Aortic Valve Replacement. Intern Med 2017; 56:2431-2433. [PMID: 28824071 PMCID: PMC5643169 DOI: 10.2169/internalmedicine.8603-16] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
A 67-year-old woman with recurrent gastrointestinal bleeding and aortic valve stenosis presented with spurting bleeding from angiodysplasia of the upper jejunum. As electrophoresis revealed decreased levels of high-molecular-weight (HMW) von Willebrand factor (VWF) multimers, she was diagnosed with Heyde's syndrome. After aortic valve replacement, her HMW VWF levels quickly recovered to normal, and the gastrointestinal bleeding ceased. However, capsule endoscopy still revealed gastrointestinal angiodysplasia six months later. This case shows that minute analyses of VWF multimers enable the diagnosis and confirmation of the resolution of Heyde's syndrome, and implies that gastrointestinal angiodysplasia can be attributed to unknown factors other than decreased VWF multimers.
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Takeshita E, Sakata Y, Hara M, Akutagawa K, Sakata N, Endo H, Ohyama T, Matsunaga K, Yoshioka T, Kawakubo H, Tanaka Y, Shirai S, Ito Y, Tsuruoka N, Iwakiri R, Kusano M, Fujimoto K. Higher Frequency of Reflux Symptoms and Acid-Related Dyspepsia in Women than Men Regardless of Endoscopic Esophagitis: Analysis of 3,505 Japanese Subjects Undergoing Medical Health Checkups. Digestion 2017; 93:266-71. [PMID: 27160990 DOI: 10.1159/000445713] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/24/2015] [Accepted: 03/18/2016] [Indexed: 02/04/2023]
Abstract
BACKGROUND/AIMS This study aimed at (i) clarifying the factors associated with high scores on the modified frequency scale for the symptoms of gastroesophageal reflux disease (FSSG) among 3,505 relatively healthy subjects undergoing routine medical health checkups with gastrointestinal endoscopy and (ii) comparing risk factors for high FSSG scores between subjects with and without reflux esophagitis. METHODS In total, 3,505 subjects (male/female: 1,922/1,583) who underwent upper gastrointestinal endoscopy during health medical checkups at 5 hospitals in Saga, Japan from January 2013 to December 2013 were enrolled. All subjects completed a modified FSSG questionnaire, which comprised 7 questions regarding reflux symptoms and 7 questions regarding acid-related dyspepsia. Each question was assigned a score based on the frequency of symptoms. RESULTS Younger age, female gender, hiatal herniation, and endoscopic reflux esophagitis were risk factors for a FSSG score with a high total. Subjects with high scores but without esophagitis were women, and hiatal herniation and Barrett's esophagus were frequently seen in patients with reflux esophagitis. CONCLUSION Younger age, female gender, hiatal hernia, and endoscopic esophagitis were risk factors for a high FSSG score, and women tended to complain of upper gastrointestinal symptoms more frequently than did men among subjects without endoscopic esophagitis.
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Shimoda R, Sakata Y, Fujise T, Yamanouchi K, Tsuruoka N, Hara M, Nakayama A, Yamaguchi D, Akutagawa T, Fujimoto K, Iwakiri R. The adenoma miss rate of blue-laser imaging vs. white-light imaging during colonoscopy: a randomized tandem trial. Endoscopy 2017; 49:186-190. [PMID: 27842422 DOI: 10.1055/s-0042-118450] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Background and study aims The aim of the present study was to determine whether blue-laser imaging (BLI) reduced the miss rate of colon adenomatous lesions compared with conventional white-light imaging (WLI). Patients and methods This was a prospective randomized study of patients undergoing screening and/or surveillance colonoscopy at Saga Medical School, Japan. A total of 127 patients were randomized to tandem colonoscopy with BLI followed by WLI (BLI-WLI group) or WLI followed by WLI (WLI-WLI group). The main outcome measure was the adenoma miss rate. Results The proportion of patients with adenomatous lesions was 62.5 % (40 /64) in the BLI-WLI group and 63.5 % (40 /63) in the WLI-WLI group. The total number of adenomatous lesions detected in the first inspection of the BLI-WLI and WLI-WLI groups was 179 and 108, respectively, compared with 182 and 120 in the second inspection, respectively. The miss rate in the BLI-WLI group was (1.6 %), which was significantly less than that in the WLI-WLI group (10.0 %, P = 0.001). Conclusions Colonoscopy using BLI resulted in a lower colon adenoma miss rate than WLI.Trial registration UMIN 000015677.
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Kawakubo H, Tanaka Y, Tsuruoka N, Hara M, Yamamoto K, Hidaka H, Sakata Y, Shimoda R, Iwakiri R, Kusano M, Fujimoto K. Upper Gastrointestinal Symptoms Are More Frequent in Female than Male Young Healthy Japanese Volunteers as Evaluated by Questionnaire. J Neurogastroenterol Motil 2016; 22:248-53. [PMID: 26755685 PMCID: PMC4819863 DOI: 10.5056/jnm15140] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/31/2015] [Revised: 12/14/2015] [Accepted: 12/22/2015] [Indexed: 12/13/2022] Open
Abstract
Background/Aims Upper gastrointestinal symptoms are more frequent and severe in female than in male outpatients in Japan. This study compared the upper gastrointestinal symptoms between healthy male and female young adult volunteers using a questionnaire. Methods In total, 581 third-grade medical students at Saga Medical School aged 22 to 30 years underwent upper gastrointestinal endoscopy and completed a questionnaire (frequency scale for symptoms of gastroesophageal reflux disease) from 2007 to 2013. Of these 581 students, 298 who were negative for Helicobacter pylori infection and had no particular lesions on endoscopic examination were enrolled in the present evaluation. A symptom was defined as positive when the subject evaluated the frequency of the symptom as sometimes, often, or always. Results The subjects comprised of 163 males (average age, 23.7 years) and 135 females (average age, 23.1 years). Upper gastrointestinal symptoms were more frequent in the females (75 of 135, 55.6%) than males (69 of 163, 42.3%; P < 0.05), with a high score for 4 symptoms (bloated stomach, heavy feeling in the stomach after meals, subconscious rubbing of the chest with the hand, and feeling of fullness while eating meals). Of the 144 subjects (69 males and 75 females) who complained of these symptoms, the females complained of dysmotility symptoms more often than did the males, but this was not true for reflux symptoms. Conclusions This study suggests that females develop upper gastrointestinal symptoms more frequently than do males among the young healthy Japanese population.
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Yamanouchi K, Sakata Y, Tsuruoka N, Shimoda R, Uchida M, Akutagawa T, Shirai S, Fujimoto K, Iwakiri R. Cronkhite-Canada Syndrome Complicated by Triple Primary Cancers. Intern Med 2016; 55:1569-73. [PMID: 27301507 DOI: 10.2169/internalmedicine.55.6594] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
We herein report a case of Cronkhite-Canada syndrome (CCS) complicated with triple primary cancers. The patient was diagnosed with CCS at 65 years of age. At 76 years of age, one of his colon polyps was diagnosed as adenocarcinoma. At 81 years of age, gastric carcinoma was detected. Weight loss and fatigue appeared one month before he visited our hospital. An examination revealed dilatation of the intrahepatic bile duct. Cholangiocarcinoma was diagnosed as a result of bile duct cytology. Patients with CCS should be monitored carefully for carcinoma of systemic organs as well as the gastrointestinal tract.
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Yamanouchi K, Ogata S, Sakata Y, Tsuruoka N, Shimoda R, Nakayama A, Akutagawa T, Shirai S, Takeshita E, Yamamoto K, Fujimoto K, Iwakiri R. Effect of additional surgery after noncurative endoscopic submucosal dissection for early gastric cancer. Endosc Int Open 2016; 4:E24-9. [PMID: 26793781 PMCID: PMC4713180 DOI: 10.1055/s-0034-1393124] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/13/2015] [Accepted: 08/18/2015] [Indexed: 12/20/2022] Open
Abstract
BACKGROUND AND STUDY AIMS Endoscopic submucosal dissection (ESD) is a standard treatment for early gastric cancer (EGC) without lymph node metastasis. However, some patients undergo noncurative ESD. The aim of the present study was to assess the long-term clinical outcomes of noncurative ESD with or without additional surgery. PATIENTS AND METHODS We investigated the chart data from all patients who had undergone ESD for EGC at Saga Medical School Hospital and Saga Prefectural Medical Centre Koseikan between 2001 and 2012. A total of 957 cases (1047 lesions) of EGC underwent ESD, and 99 had noncurative ESD. In total, 20 cases were excluded because their follow-up period was < 3 years. We divided the patients into observation and additional surgery groups, and we compared the survival rate and related factors between the groups. RESULTS After noncurative ESD, 28 /79 patients (35.4 %) underwent additional surgery and 51/79 (64.6 %) were followed up without surgery. The average age of patients in the observation group was higher than that of the additional surgery group (75.9 vs. 71.6 years; P = 0.03). The incidence of hypertension was significantly higher in the observation group compared with the additional surgery group (51.0 vs. 25.9 %; P = 0.03). The overall survival rate of the additional surgery group was longer than that of the observation group. However, only one patient died from gastric cancer in the observation group. The disease-specific survival rate did not differ significantly between the groups. CONCLUSIONS It might be acceptable to follow up without additional surgery for some patients with comorbidity and who were elderly after noncurative ESD for EGC.
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Yamaguchi D, Tsuruoka N, Sakata Y, Shimoda R, Fujimoto K, Iwakiri R. Safety and efficacy of botulinum toxin injection therapy for esophageal achalasia in Japan. J Clin Biochem Nutr 2015; 57:239-43. [PMID: 26566311 PMCID: PMC4639589 DOI: 10.3164/jcbn.15-47] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2015] [Accepted: 05/01/2015] [Indexed: 12/18/2022] Open
Abstract
Botulinum toxin injection is an accepted treatment modality for esophageal achalasia in western countries. This pilot study aimed to clarify the effectiveness of botulinum toxin injection for esophageal achalasia in Japanese patients. We enrolled 10 patients diagnosed with esophageal achalasia between 2008 and 2014. A total of 100 U botulinum toxin A was divided into eight aliquots and injected around the esophagogastric junction. We compared the lower esophageal sphincter pressure before and 1 week after treatment. Scores of subjective symptoms for esophageal achalasia were assessed using a visual analog scale (VAS) before and after 1 week of follow-up of treatment. Barium passage was improved in barium esophagography and passage of contrast agent was also improved. Mean Eckardt score was reduced from 5.5 to 1.6 after treatment (p<0.001). By esophageal manometric study, mean lower esophageal sphincter pressure was reduced from 46.9 to 29.1 mmHg after treatment (p = 0.002). One week after treatment, mean VAS score was reduced from 10 to 3.9 (p<0.001). There were no side effects in any cases. Botulinum toxin injection for esophageal achalasia was safe and effective with few complications. Therefore, botulinum toxin could be used as minimally invasive therapy for esophageal achalasia in Japan.
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Yamaguchi D, Sakata Y, Tsuruoka N, Shimoda R, Higuchi T, Sakata H, Fujimoto K, Iwakiri R. Characteristics of patients with non-variceal upper gastrointestinal bleeding taking antithrombotic agents. Dig Endosc 2015; 27:30-6. [PMID: 24861498 DOI: 10.1111/den.12316] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/20/2014] [Accepted: 05/20/2014] [Indexed: 12/22/2022]
Abstract
BACKGROUND AND AIM The present study aimed to clarify the features and management of non-variceal upper gastrointestinal bleeding (UGIB) in Japanese patients taking antithrombotic agents. METHODS We retrospectively investigated the medical records of 560 patients who underwent emergency endoscopy for UGIB from 2002 to 2013. The patients were divided into two groups: group A, antithrombotic agent use; and group NA, no antithrombotic agent use. We compared clinical characteristics, comorbidities, and causes of UGIB between the groups. We also investigated management with antithrombotics. RESULTS Of 560 patients with UGIB, 27.5% were taking antithrombotics, and this proportion gradually increased during the study period. Mean hemoglobin levels on admission were significantly lower in group A (8.0 ± 1.7 g/dL) than in group NA (8.9 ± 2.9 g/dL) (P < 0.001). Patients in group A developed more gastric ulcers and multiple ulcers than did patients in group NA. Incidence of Forrest Ia-type bleeding was lower in group A than in group NA (P < 0.001), and the rate of endoscopic hemostasis was significantly higher in group A (98.7%) than in group NA (94.3%) (P = 0.022). After the release of the 2012 Japan Gastroenterological Endoscopy Society guidelines, the antithrombotic agent cessation periods were significantly shortened (P < 0.001). CONCLUSIONS Among patients with UGIB, those taking antithrombotics exhibited more severe clinical signs. However spurting hemorrhage was rare. Antithrombotics may be resumed early after endoscopic hemostasis.
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Yamaguchi D, Sakata Y, Tsuruoka N, Shimoda R, Higuchi T, Sakata H, Fujimoto K, Iwakiri R. Upper Gastrointestinal Bleeding in Japanese Patients Prescribed Antithrombotic Drugs: Differences in Trends over Time. HEPATO-GASTROENTEROLOGY 2014; 61:1055-1062. [PMID: 26158165] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
BACKGROUND/AIMS We studied the features of upper gastrointestinal bleeding (UGIB) in patients taking antithrombotic drugs. METHODOLOGY The records of 430 patients taking antithrombotic drugs who underwent emergency endoscopy for UGIB in Saga Medical School Hospital between 2002 and 2011 were studied. We also compared the characteristics of our cohort of 11,919 patients prescribed antithrombotic drugs in our hospital between 2002 and 2011. UBGI patients of variceal bleeding were not included in this study. RESULTS 186 patients presented with UGIB in the first period (2002-2006) and 244 in the second period (2007-2011). The proportion of patients infected with Helicobacter pylori was lower in the second period, while the proportion taking antithrombotic drugs rose significantly. Peptic ulcer disease was responsible for the majority of bleeding episodes; however, bleeding from other sources is increasing. In the whole cohort, the risk of UGIB was 1.08%; however, of the 31.8% who also took an acid-secretion inhibitor only 18 (0.28%) developed bleeding. In contrast, 102 (1.87%) of those not taking an acid-secretion inhibitor developed UGIB, a statistically significant difference. CONCLUSION Risk of UGIB in Japanese patients taking antithrombotics was 1.01% and the incidence is increasing. Acid-secretion inhibitors reduced the risk of antithrombotic drug-related UGIB.
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Tsuruoka N, Ishii K, Matsunaga T, Nagatomi R, Haga Y. Measurement of subcutaneous biological substances using thin metal needle with micro flow channel. ANNUAL INTERNATIONAL CONFERENCE OF THE IEEE ENGINEERING IN MEDICINE AND BIOLOGY SOCIETY. IEEE ENGINEERING IN MEDICINE AND BIOLOGY SOCIETY. ANNUAL INTERNATIONAL CONFERENCE 2013; 2013:4478-81. [PMID: 24110728 DOI: 10.1109/embc.2013.6610541] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Concentrations of biological substances are useful as indicators of physiological and pathological states. In order to monitor biological substances in daily life, we developed a minimally invasive needle type device with which biological substances are extracted through a microperfusion system inserted under the skin. The perfusion needle has a flow channel with perforated membrane through which biological substances from subepidermal tissue are extracted. The efficacy of the device was examined by measuring lactate concentration of exercising mice. Lactate was successfully collected from the back skin of the mice running on a treadmill using a fabricated microperfusion needle. Lactate concentration of perfused solution correlated with blood lactate concentration.
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Watanabe A, Iwakiri R, Yamaguchi D, Higuchi T, Tsuruoka N, Miyahara K, Akutagawa K, Sakata Y, Fujise T, Oda Y, Shimoda R, Sakata H, Fujimoto K. Risk factors for resistance to proton pump inhibitor maintenance therapy for reflux esophagitis in Japanese women over 60 years. Digestion 2013; 86:323-8. [PMID: 23128344 DOI: 10.1159/000342393] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/10/2012] [Accepted: 08/01/2012] [Indexed: 02/04/2023]
Abstract
AIM The aim of this study was to evaluate risk factors for proton pump inhibitor (PPI) resistance in older Japanese female patients with reflux esophagitis evaluated by physicians. METHODS The study included 462 Japanese female patients aged over 60 years with reflux esophagitis who received PPI maintenance therapy for more than 6 months. RESULTS The characteristics of all 462 patients were: age: 76.4 ± 7.6 years, height: 147.2 ± 6.1 cm, weight: 49.9 ± 8.4 kg and body mass index: 24.0 ± 3.5. The reflux esophagitis grades were A in 69.5%, B in 15.8%, C in 9.1% and D in 5.6%. Helicobacter pylori was positive in 60.6%. Regarding PPI maintenance therapy for clinical symptoms evaluated by the attending physicians, 66.7% were 'good control', 26.8% were 'reasonable control' and 6.5% were 'bad control: resistant'. PPI maintenance therapy was less effective in patients with more severe reflux esophagitis of grades C and D (OR: 0.027; 95% CI: 0.010-0.077) and negative H. pylori infection status (OR: 4.470; 95% CI: 1.631-12.247). Lumbar kyphosis and hiatus hernia were risk factors for severity grading of reflux esophagitis. CONCLUSIONS PPI maintenance therapy evaluated by attending physicians indicated that reflux esophagitis severity and negative H. pylori status were risk factors for treatment resistance.
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Miyahara K, Iwakiri R, Shimoda R, Sakata Y, Fujise T, Shiraishi R, Yamaguchi K, Watanabe A, Yamaguchi D, Higuchi T, Tominaga N, Ogata S, Tsuruoka N, Noda T, Hidaka H, Mannen K, Endo H, Yamanouchi K, Yamazato T, Sakata H, Fujimoto K. Perforation and postoperative bleeding of endoscopic submucosal dissection in gastric tumors: analysis of 1190 lesions in low- and high-volume centers in Saga, Japan. Digestion 2013; 86:273-80. [PMID: 22986899 DOI: 10.1159/000341422] [Citation(s) in RCA: 61] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/22/2012] [Accepted: 06/21/2012] [Indexed: 02/04/2023]
Abstract
BACKGROUND This retrospective study aimed to determine risk factors associated with serious complications of endoscopic submucosal dissection of gastric tumors in multicenters compared between high- and low-volume centers. METHODS Between 2001 and 2010, gastric endoscopic submucosal dissection was performed in 1190 lesions of 1082 patients in five hospitals in Saga, three high-volume and two low-volume centers. Risk factors for serious complications were evaluated. Patients' background characteristics were evaluated, including anticoagulants use and underlying diseases. RESULTS Postoperative bleeding was detected in 75 patients (6.9%), and perforation was detected in 40 patients (3.7%). Most postoperative bleeding and perforation cases were recovered with endoscopic procedures, although one case of each complication was treated by emergency surgery. Multivariate analysis indicated that risk factors for perforation were tumor location, massive submucusal invasion, endoscopists' experience of 100-149 cases and hypertension, and that risk factors for postoperative bleeding were tumor location, resected tumor size, and scar lesion. The serious complications were not different between high- and low-volume centers. CONCLUSIONS The present study indicated that risk factors for perforation during endoscopic submucosal dissection were tumor, endoscopist and patient related, although risk factors for postoperative bleeding were tumor related. There was no difference in complications between high- and low-volume centers.
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Nakano R, Iwakiri R, Ikeda Y, Kishi T, Tsuruoka N, Shimoda R, Sakata Y, Yamaguchi K, Fujimoto K. Factors affecting short- and long-term effects of leukocyte removal therapy in active ulcerative colitis. J Gastroenterol Hepatol 2013; 28:303-8. [PMID: 23339387 DOI: 10.1111/jgh.12049] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 10/16/2012] [Indexed: 01/14/2023]
Abstract
BACKGROUND AND AIM Leukocyte removal therapy (LRT) is recognized as an effective treatment for active ulcerative colitis (UC). In this study, factors associated with the efficacy and long-term effects of LRT were evaluated. METHODS From April 1998 to March 2010, 98 patients with moderate to severe UC were randomly assigned to granulocyte and monocyte/macrophage adsorptive apheresis (GMA) (n = 47) or leukocytapheresis (LCAP) (n = 51) treatment. Patients received two sessions of LRT in the first week, followed by three weekly administrations. All patients were treated with 5-aminosalicylic acid and corticosteroid. Steroid doses were tapered if patients achieved clinical improvement. Clinical remission was defined as a decrease in clinical activity index to < 4 and endoscopic findings to Matts' grade 1 or 2. When clinical activity index decreased but still remained ≥ 5 and Matts' grading was 1 or 2, the patient was considered to have improved. Patients were observed for at least 1 year and diagnosed as relapsed when additional treatment was required. RESULTS Seventy-one (73%) patients achieved clinical remission or improvement. No significant difference was found between LCAP and GMA. Increased age, ≥ 3 attacks of UC, and ≥ 2 sessions of LRT were indicative of refractoriness to LRT. During 1 year observation, 28 patients were relapsed. Duration of UC, ≥ 3 attacks of UC, and ≥ 2 sessions of LRT were indicative of refractoriness to the long-term effects of LRT. CONCLUSION Both GMA and LCAP were effective to treat active UC. However, long duration of UC, multiple UC attacks, and past history of LRT reduce the efficacy.
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Takashima T, Iwakiri R, Sakata Y, Yamaguchi D, Tsuruoka N, Akutagawa K, Komatsu-Tanaka M, Higuchi T, Tanaka Y, Shimoda R, Sakata H, Kawakubo M, Oda Y, Fujimoto K. Endoscopic reflux esophagitis and Helicobacter pylori infection in young healthy Japanese volunteers. Digestion 2013; 86:55-8. [PMID: 22722701 DOI: 10.1159/000338849] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/24/2012] [Accepted: 04/16/2012] [Indexed: 02/04/2023]
Abstract
BACKGROUND/AIMS The prevalence of endoscopic esophagitis in young Japanese individuals is not fully apparent. The aim of this study was to determine the prevalence of reflux esophagitis (RE) and Helicobacter pylori infection and their relationship in young healthy Japanese volunteers. METHODS Upper gastrointestinal endoscopy was performed in 242 young healthy Japanese medical students (age range 22-29 years, mean 23.2 years) at Saga Medical School between 2008 and 2010. H. pylori infection was determined by detecting urinary IgG antibodies to H. pylori. RESULTS H. pylori antibodies were detected in 30 of the 242 subjects (12.4%). All 30 subjects had endoscopic chronic gastritis without peptic ulcers. Endoscopic RE was present in 27 of the 242 subjects (11.2%), corresponding to grade A in 19 subjects (7.9%), grade B in 7 (2.9%) and grade C in 1 (0.4%). Only 1 subject with RE was H. pylori-positive; the other 26 subjects with esophagitis were H. pylori-negative. We found no risk factors for H. pylori infection, but a risk factor for endoscopic esophagitis was alcohol consumption. CONCLUSION The prevalence of H. pylori infection and endoscopic RE was 12.4 and 11.2%, respectively, in young healthy Japanese volunteers. Alcohol consumption was a risk factor for RE.
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Sato R, Miyamoto H, Aoki Y, Hayashi S, Mizuta T, Tsuruoka N, Iwakiri R, Fujimoto K. Characteristics of bacterial species in positive blood cultures among hospitalized patients in three wards in the Department of Internal Medicine: retrospective chart review 1999-2008. Intern Med 2012; 51:1159-66. [PMID: 22687784 DOI: 10.2169/internalmedicine.51.6866] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
OBJECTIVE This study aimed to establish the clinical significance of positive blood cultures during the past 10 years in Saga University Hospital. METHODS All hospitalized patients with positive blood cultures in the gastroenterology, hepatology and respiratory wards in the Department of Internal Medicine, Saga University Hospital were evaluated by retrospective chart review between January 1999 and December 2008. The results were compared between period I (1999-2003) and period II (2004-2008). RESULTS During the study, 2,680 isolates from 22,694 samples (11.8%) were detected in Saga University Hospital: 106 (13.1%) isolates from 812 samples were detected in the gastroenterology ward; 71 (7.8%) from 914 in the hepatology ward; and 160 (6.0%) from 2,671 in the respiratory ward. The number of positive blood cultures increased during period II compared with period I in all three wards. The ratio of gram-negative rods increased in the gastroenterology ward during period II (p<0.05). The ratio of gram-positive cocci was higher in the respiratory ward compared with the other two wards (p<0.05 in each). In contrast, the ratio of gram-negative rods was higher in the gastroenterology and hepatology wards (p<0.05 in each). Fungemia increased in the gastroenterology and respiratory wards in period II (p<0.05 in each). CONCLUSION The trends in bacterial species in positive blood cultures differed between the gastroenterology, hepatology and respiratory wards. This could be important for decision making regarding antimicrobial therapy in the early therapeutic phase.
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Tsuruoka N, Iwakiri R, Hara M, Shirahama N, Sakata Y, Miyahara K, Eguchi Y, Shimoda R, Ogata S, Tsunada S, Sakata H, Fujimoto K. NSAIDs are a significant risk factor for colonic diverticular hemorrhage in elder patients: evaluation by a case-control study. J Gastroenterol Hepatol 2011; 26:1047-52. [PMID: 21198829 DOI: 10.1111/j.1440-1746.2010.06610.x] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
BACKGROUND AND AIM Diverticular bleeding is a common cause of lower gastrointestinal hemorrhage. Several factors, including use of non-steroidal anti-inflammatory drugs (NSAIDs), antithrombotic agents and arteriosclerosis, could be risk factors. The aim of this study is to identify these risk factors. METHODS Between January 2000 and December 2008, 51 patients among 178 acute lower gastrointestinal hemorrhages who visited Saga Medical School were diagnosed as colonic diverticular hemorrhage, established by emergency endoscopy and diagnostic criteria. Gender and age matched control cases were selected from patients of other diseases hospitalized during the same period. We evaluated by using logistic regression analysis the influences of comorbidities such as cerebrovascular disease, ischemic heart disease, hypertension, hyperlipidemia, diabetes mellitus, chronic kidney disease, and osteoporosis, medications including NSAIDs and antithrombotic agents, and habits of smoking, alcohol, and chronic constipation. RESULTS Fifty one patients out of 178 acute lower gastrointestinal bleeding (28.7%) were diagnosed as diverticular hemorrhage, which was the most common cause of lower gastrointestinal hemorrhage. Sex ratio of men versus women for colonic diverticular hemorrhage was 35:16. NSAIDs were a significant risk factor for colonic diverticular hemorrhage in elder patients (odds ratio [OR] = 7.492, 95% CI: 1.516-37.024, P = 0.0135). Hypertension and hyperlipidemia had significant association with diverticular hemorrhage among patients younger than 65 years old. This study also indicated that use of NSAIDs was a risk factor for re-bleeding (OR = 5.4, 95% CI: 1.01-28.78, P = 0.048). CONCLUSION This case-control study revealed that the use of NSAIDs was a significant risk factor for colonic diverticular hemorrhage in elder patients. In addition, use of NSAIDs is a risk factor for re-bleeding from colonic diverticula.
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