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Endoscopic diagnosis of Barrett's esophagus

World Journal of Gastroenterology 2012年第26期18卷 3477-3478页

作者： Tomoyuki Akiyama Yusuke Sekino hiroshi iida Shigeru Koyama Eiji Gotoh Shin Maeda Atsushi Nakajima Masahiko Inamori Department of Gastroenterology Tokyo Metropolitan Hiroo HospitalTokyo 150-0013Japan Gastroenterology Division Yokohama City University HospitalYokohama 2360004Japan Department of Medical Education Yokohama City University School of MedicineYokohama 2360004Japan Office of Postgraduate Medical Education Yokohama City University HospitalYokohama 2360004Japan

The Prague C and M Criteria have been developed for the objective endoscopic diagnosis of Barrett's esophagus(BE).BE arises between the squamocolumnar junction and the gastroesophageal junction at the proximal margin of the gastric *** this study,we reported that 43.0% of the subjects examined were diagnosed with BE based on the Prague C and M *** criticism by John Dent proposed that our data should be considered invalid because the prevalence of BE reported in our study was extraordinarily high and discordant with previous *** predicted that the position of the gastroesophageal junction in our study was judged to be lower than the actual position due to the effacement of the proximal ends of the gastric folds because of the routine use of a high degree of air distension during typical Japanese endoscopic *** endoscopic evaluation of the superior gastric folds is certainly influenced by the degree of air distension of the ***,in our study,the proximal limit of the gastric mucosal folds was prospectively imaged while the oesophagus was minimally ***,under a high level of air distension,the distal ends of the palisade-shaped longitudinal vessels were imaged because they are more easily observed when *** the majority of patients,the distal ends of the palisade-shaped longitudinal vessels correspond to the proximal limit of the gastric mucosal *** endoscopic evaluation was appropriately performed according to the Prague C and M *** suspect that the high prevalence of BE in our study may be due to the inclusion of ultrashort-segment BE,which defines BE with an affected mucosal length under 5 mm,in our positive results.

关键词：内镜食管诊断胃粘膜布拉格交界处患病率标准

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Shape of Barrett's epithelium is associated with prevalence of erosive esophagitis

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World Journal of Gastroenterology 2010年第4期16卷 484-489页

作者： Tomoyuki Akiyama Masahiko Inamori hiroshi iida Hiroki Endo Kunihiro Hosono Yasunari Sakamoto Koji Fujita Masato Yoneda Hirokazu Takahashi Tomoko Koide Chikako Tokoro Ayumu Goto Yasunobu Abe Takeshi Shimamura Noritoshi Kobayashi Kensuke Kubota Satoru Saito Atsushi Nakajima Gastroenterology Division Yokohama City University School of Medicine3-9 FukuuraKanazawa-kuYokohama 236-0004Japan

AIM:To test the hypothesis that the shape and length of Barrett's epithelium are associated with prevalence of erosive ***:A total study population comprised 869 patients who underwent endoscopy during a health checkup at our *** presence and extent of Barrett's epithelium were diagnosed based on the Prague C & M *** originally classified cases of Barrett's epithelium into two types based on its shape,namely,flamelike and lotus-like Barrett's epithelium,and into two groups based on its length,its C extent < 2 cm,and ≥ 2 *** of shape and length of Barrett's epithelium with erosive esophagitis was ***:Barrett's epithelium was diagnosed in 374 cases(43%).Most of these were diagnosed as shortsegment Barrett's *** prevalence of erosive esophagitis was significantly higher in subjects with flame-like than lotus-like Barrett's epithelium,and in those with a C extent of ≥ 2 cm than < 2 ***:Flame-like rather than lotus-like Barrett's epithelium,and Barrett's epithelium with a longer segment were more strongly associated with erosive esophagitis.

关键词： Barrett’s epithelium Esophagitis Endoscopy

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characteristics of intestinal pseudo-obstruction in patients with mitochondrial diseases

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World Journal of Gastroenterology 2012年第33期18卷 4557-4562页

作者： Yusuke Sekino Masahiko Inamori Eiji Yamada Hidenori Ohkubo Eiji Sakai Takuma Higurashi hiroshi iida Kunihiro Hosono Hiroki Endo Takashi Nonaka Hirokazu Takahashi Tomoko Koide Yasunobu Abe Eiji Gotoh Shigeru Koyano Yoshiyuki Kuroiwa Shin Maeda Atsushi Nakajima Gastroenterology Division Yokohama City University School of Medicine Yokohama 236-0004 Japan Department of Medical Education Yokohama City University School of Medicine Yokohama 236-0004 Japan Department of Neurology Yokohama City University School of Medicine Yokohama 236-0004 Japan

AIM: To reveal the frequency, characteristics and prognosis of chronic intestinal pseudo-obstruction (CIP) in mitochondrial disease patients. METHODS: Between January 2000 and December 2010, 31 patients (13 males and 18 females) were di-agnosed with mitochondrial diseases at our hospital. We conducted a retrospective review of the patients' sex, subclass of mitochondrial disease, age at onset of mitochondrial disease, frequency of CIP and the age at its onset, and the duration of survival. The age at onset or at the first diagnosis of the disorder that led to the clinical suspicion of mitochondrial disease was also examined. RESULTS: Twenty patients were sub-classified with mitochondrial encephalopathy with lactic acidosis and stroke-like episodes (MELAS), 8 with chronic progressive external ophthalmoplegia (CPEO), and 3 with myoclonus epilepsy associated with ragged-red fibers (MERRF). Nine patients were diagnosed with CIP, 8 of the 20 (40.0%) patients with MELAS, 0 of the 8 (0.0%) patients with CPEO, and 1 of the 3 (33.3%) patients with MERRF. The median age (range) at the diagnosis and the median age at onset of mitochondrial disease were 40 (17-69) and 25 (12-63) years in patients with CIP, and 49 (17-81) and 40 (11-71) years in patients without CIP. During the survey period, 5 patients (4 patients with MELAS and 1 with CPEO) died. The cause of death was cardiomyopathy in 2 patients with MELAS, cerebral infarction in 1 patient with MELAS, epilepsy and aspiration pneumonia in 1 patient with MELAS, and multiple metastases from gastric cancer and aspiration pneumonia in 1 patient with CPEO. CONCLUSION: Patients with CIP tend to have disorders that are suspected to be related to mitochondrial diseases at younger ages than are patients without CIP.

关键词：线粒体疾病肠梗阻患者假性死亡原因 CIP 心肌病生存时间

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Effect of sumatriptan on gastric emptying:A crossover study using the BreathID system

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World Journal of Gastroenterology 2012年第26期18卷 3415-3419页

作者： Yasunari Sakamoto Yusuke Sekino Eiji Yamada Takuma Higurashi Hidenori Ohkubo Eiji Sakai Hiroki Endo hiroshi iida Takashi Nonaka Koji Fujita Masato Yoneda Tomoko Koide Hirokazu Takahashi Ayumu Goto Yasunobu Abe Eiji Gotoh Shin Maeda Atsushi Nakajima Masahiko Inamori Gastroenterology Division Yokohama City University Hospital3-9 FukuuraKanazawa-kuYokohamaKanagawa 236-0004Japan Department of Medical Education Yokohama City University School of Medicine3-9 FukuuraKanazawa-kuYokohamaKanagawa 236-0004Japan Office of Postgraduate Medical Education Yokohama City University Hospital3-9 FukuuraKanazawakuYokohamaKanagawa 236-0004Japan

AIM:To determine the effect of oral sumatriptan on gastric emptying using a continuous 13 C breath test(BreathID system).METHODS:Ten healthy male volunteers participated in this randomized,2-way crossover *** subjects fasted overnight and were randomly assigned to receive a test meal(200 kcal/200 mL) 30 min after pre-medication with sumatriptan 50 mg(sumatriptan condition),or the test meal alone(control condition).Gastric emptying was monitored for 4 h after administration of the test meal by the 13 C-acetic acid breath test performed continually using the BreathID ***,using Oridion Research Software(β version),the time taken for emptying of 50% of the labeled meal(T 1/2) similar to the scintigraphy lag time for 10% emptying of the labeled meal(T lag),the gastric emptying coefficient(GEC),and the regression-estimated constants(β and κ) were *** statistical significance of any differences in the parameters were analyzed using Wilcoxon's signed-rank ***:In the sumatriptan condition,significant differences compared with the control condition were found in T 1/2 [median 131.84 min(range,103.13-168.70) vs 120.27 min(89.61-138.25);P = 0.0016],T lag [median 80.085 min(59.23-125.89) vs 61.11 min(39.86-87.05);P = 0.0125],and β [median 2.3374(1.6407-3.8209) vs 2.0847(1.4755-2.9269);P = 0.0284].There were no significant differences in the GEC or κ between the 2 ***:This study showed that oral sumatriptan significantly delayed gastric emptying of a liquid meal.

关键词： ID系统胃排空监测试验滞后时间舒马普坦控制条件中位数回归估计

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Early effects of oral administration of omeprazole and roxatidine on intragastric pH

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Journal of Zhejiang University-Science B(Biomedicine & Biotechnology) 2012年第1期13卷 29-34页

作者： hiroshi iida Shingo KATO Yusuke SEKINO Eiji SAKAI Takashi UCHIYAMA Hiroki ENDO Kunihiro HOSONO Yasunari SAKAMOTO Koji FUJITA Masato YONEDA Tomoko KOIDE Hirokazu TAKAHASHI Chikako TOKORO Ayumu GOTO Yasunobu ABE Noritoshi KOBAYASHI Kensuke KUBOTA Eiji GOTOH Shin MAEDA Atsushi NAKAJIMA Masahiko INAMORI Gastroenterology Division Yokohama City University School of Medicine Department of Medical Education Yokohama City University School of Medicine Office of Postgraduate Medical Education Yokohama City University Hospital

Objective:The ideal medication for the treatment of acid-related diseases,e.g.,peptic ulcers,stress-related gastric bleeding,functional dyspepsia,and gastroesophageal reflux disease,should have a rapid onset of action to promote hemostasis and relieve the *** aim of our study was to investigate the inhibitory effects on gastric acid secretion of a single oral administration of a proton pump inhibitor,omeprazole 20 mg,and an H2-receptor antagonist,roxatidine 75 ***:Ten Helicobacter pylori-negative male subjects participated in this randomized,two-way crossover *** pH was monitored continuously for 6 h after single oral administration of omeprazole 20 mg and roxatidine 75 *** administration was separated by a 7-d washout ***:During the 6-h study period,the average pH after administration of roxatidine was higher than that after administration of omeprazole(median:4.45 vs.2.65;P=0.0367).Also during the 6-h study period,a longer duration of maintenance at pH above 2,5,and 6 was observed after administration of roxatidine 75 mg than after administration of omeprazole 20 mg(median:90.6% vs.55.2%,P=0.0284;43.7% vs.10.6%,P=0.0125;40.3% vs.3.3%,P=0.0125;respectively).Conclusions:In Helicobacter pylori-negative healthy male subjects,oral administration of roxatidine 75 mg increased the intragastric pH more rapidly than that of omeprazole 20 mg.

关键词：奥美拉唑胃溃疡 pH值口服早期质子泵抑制剂相关性疾病受体拮抗剂

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Phosphorus Recovery from Dehydrated Water Sludge by Incineration Using Alkali Metal Compounds

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材料科学与工程（中英文B版） 2020年第4期10卷 153-157页

作者： Masaaki Takahashi Yukimasa Takemoto Seiji Iwasaki Kazunari Kamemoto Kastumi iida hiroshi iida Research Laboratory on Environmental Technology Yokkaichi UniversityKayo-cho 1200YokkaichiMie 512-8512Japan Mie Chuou Kaihatsu Co.Ltd. Hachiya 4713YonoIgaMie 518-1152Japan Kassui Plant Co.Ltd. Akasu-cho 4-7YokkaichiMie512-1204Japan

In order to recover the phosphorus from the waste water sludge,the dehydrated sludge was mixed with the reagent of NaOH,KOH or Na2CO3,and incinerated at 750℃ or 900℃.Phosphorus in the incinerated ash of the sludge was dissolved by the addition of water,and recovered by the evaporation of the phosphorus resolved *** recovered phosphorus was confirmed to be an alkali metal phosphate,and the recovery rate reached about 75%regardless any combination of the reagents(NaOH,KOH or Na2CO3).

关键词： Water sludge phosphorus recovery incineration alkali

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Role of autophagy in the pathogenesis of inflammatory bowel disease

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World Journal of Gastroenterology 2017年第11期23卷 1944-1953页

作者： Tomoya iida Kei Onodera hiroshi Nakase Department of Gastroenterology and Hepatology Sapporo Medical University School of MedicineHokkaido 060-8556Japan

Inflammatory bowel disease(IBD) results from a complex series of interactions between susceptibility genes, the environment, and the immune ***, some studies provided strong evidence that the process of autophagy affects several aspects of mucosal immune responses. Autophagy is a cellular stress response that plays key roles in physiological processes, such as innate and adaptive immunity, adaptation to starvation, degradation of aberrant proteins or organelles, antimicrobial defense, and protein secretion. Dysfunctional autophagy is recognized as a contributing factor in many chronic inflammatory diseases, including IBD. Autophagy plays multiple roles in IBD pathogenesis by altering processes that include intracellular bacterial killing, antimicrobial peptide secretion by Paneth cells, goblet cell function, proinflammatory cytokine production by macrophages, antigen presentation by dendritic cells, and the endoplasmic reticulum stress response in enterocytes. Recent studies have identified susceptibility genes involved in autophagy, such as NOD2, ATG16L1, and IRGM, and active research is ongoing all over the world. The aim of this review is a systematic appraisal of the current literature to provide a better understanding of the role of autophagy in the pathogenesis of IBD. Understanding these mechanisms will bring about new strategies for the treatment and prevention of IBD.

关键词： Autophagy Inflammatory bowel disease Genome-wide association study Ulcerative colitis Crohn’s disease

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Quality of Life and Osteoporotic Alterations in Patients with and without Low Bone Mineral Density:A Retrospective Study

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Journal of Health Science 2019年第1期7卷 10-16页

作者： Christyan hiroshi iida Natália Isis Caires Lavor Luciana Munhoz Reinaldo Abdala Júnior Rogério Abdala Emiko Saito Arita Department of Stomatology School of Dentistry University of Sao Paulo 2227 Lineu Prestes Avenue Sao Paulo 05508-000 SP Brazil CDB(Centro de Diagnoticos Brasil) Rua Marselhesa 500-Vila Mariana Sao Paulo SP Brazil

Purpose:The objectives of this investigation were to compare the World Health Organization abbreviated instrument for quality of life assessment(WHOQOL-bref)scores of osteoporotic and non-osteoporotic Brazilian patients and to evaluate the correlation between mandibular cortical index(MCI)and bone densitometry(DXA)results in both ***:This research was conducted with an initial sample of 74 female participants who underwent panoramic radiography and forearm *** were divided into two groups:osteoporotic and non-osteoporotic patients.A quality of life assessment questionnaire was *** scores from the questionnaire were compared between the two groups and the correlation between DXA and MCI was ***:Psychological and social domains in osteoporotic patients presented lower scores(12.65 and 6.00 respectively)when compared to non-osteoporotic patients(14.70 and 13.97 respectively).MCI was inversely correlated with ***:According to WHOQOL-bref,osteoporotic patients may have lower quality of life scores when considering psychological and social *** is inversely correlated with T-scores but demonstrates greater correlation when considering non-osteoporotic patients with higher T-score values.

关键词： Osteoporosis panoramic radiography bone loss quality of life bone mineral density

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Heparin bridge therapy and post-polypectomy bleeding

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World Journal of Gastroenterology 2016年第45期22卷 10009-10014页

作者： Toshiyuki Kubo Kentaro Yamashita Kei Onodera Tomoya iida Yoshiaki Arimura Masanori Nojima hiroshi Nakase Department of Gastroenterology and Hepatology Sapporo Medical University Department of Gastroenterology Otaru City General Hospital Center for Translational Research the Institute of Medical Science the University of Tokyo

AIM To identify risk factors for post-polypectomy bleeding(PPB), focusing on antithrombotic agents. METHODS This was a case-control study based on medical records at a single center. PPB was defined as bleeding that occurred 6 h to 10 d after colonoscopic polypectomy and required endoscopic hemostasis. As risk factors for PPB, patient-related factors including anticoagulants, antiplatelets and heparin bridge therapy as well as polyp- and procedure-related factors were evaluated. All colonoscopic hot polypectomies, endoscopic mucosal resections and endoscopic submucosal dissections performed between January 2011 and December 2014 were reviewed. RESULTS PPB occurred in 29(3.7%) of 788 polypectomies performed during the study period. Antiplatelet or anticoagulant agents were prescribed for 210(26.6%)patients and were ceased before polypectomy except for aspirin and cilostazol in 19 cases. Bridging therapy using intravenous unfractionated heparin was adopted for 73 patients. The univariate analysis revealed that anticoagulants, heparin bridge, and anticoagulants plus heparin bridge were significantly associated with PPB(P < 0.0001) whereas antiplatelets and antiplatelets plus heparin were not. None of the other factors including age, gender, location, size, shape, number of resected polyps, prophylactic clipping and resection method were correlated with PPB. The multivariate analysis demonstrated that anticoagulants and anticoagulants plus heparin bridge therapy were significant risk factors for PPB(P < 0.0001). Of the 29 PPB cases, 4 required transfusions and none required surgery. A thromboembolic event occurred in a patient who took anticoagulant. CONCLUSION Patients taking anticoagulants have an increased risk of PPB, even if the anticoagulants are interrupted before polypectomy. Heparin-bridge therapy might be responsible for the increased PPB in patients taking anticoagulants.

关键词： Post-polypectomy 流血肝磷脂桥治疗结肠的 polypectomy 抗凝剂 Antiplatelets 内视镜的外科

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Inhibition of gastric perception of mild distention by omeprazole in volunteers

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World Journal of Gastroenterology 2012年第39期18卷 5576-5580页

作者： Akihito iida hiroshi Kaneko Toshihiro Konagaya Yasushi Funaki Kentaro Tokudome Shinya Izawa Yasuhiro Tamura Mari Mizuno Naotaka Ogasawara Makoto Sasaki Kunio Kasugai Division of Gastroen-terology Department of Internal MedicineSchool of MedicineAichi Medical UniversityAichi 480-1195Japan Department of Internal Medicine Hoshigaoka Maternity HospitalAichi 464-0026Japan Marine Clinic NagoyaAichi 460-0002Japan

AIM:To evaluate the effects of omeprazole on gastric mechanosensitivity in humans. METHODS:A double lumen polyvinyl tube with a plastic bag was introduced into the stomach of healthy volunteers under fluorography and connected to a barostat device. Subjects were then positioned so they were sitting comfortably, and the minimal distending pressure (MDP) was determined after a 30-min adaptation period. Isobaric distensions were performed in stepwise increments of 2 mmHg (2 min each) starting from the MDP. Subjects were instructed to score feel-ings at the end of every step using a graphic rating scale:0, no perception; 1, weak/vague; 2, weak but significant; 3, moderate/vague; 4, moderate but signifi-cant; 5, severe discomfort; and 6, unbearable pain. After this first test, subjects received omeprazole (20 mg, after dinner) once daily for 1 wk. A second test was performed on the last day of treatment. RESULTS:No adverse effects were observed. Mean MDP before and after treatment was 6.3 ± 0.3 mmHg and 6.2 ± 0.5 mmHg, respectively. One subject before and 2 after treatment did not reach a score of 6 at the maximum bag volume of 750 mL. After omeprazole, there was a significant increase in the distension pres-sure required to reach scores of 1 (P = 0.019) and 2 (P = 0.017) as compared to baseline. There were no changes in pressure required to reach the other scores after treatment. Two subjects before and one after omeprazole rated their abdominal feeling < 1 at MDP, and mean (± SE) abdominal discomfort scores at MDP were 0.13 ± 0.09 and 0.04 ± 0.04, respectively. Mean scores induced by each MDP + 2, 4, 6, 8, 10, 12, 14, 16, 18 and 20 (mmHg) were 1.1 ± 0.3, 2.0 ± 0.4, 2.9 ± 0.5, 3.3 ± 0.4, 4.6 ± 0.3, 5.2 ± 0.3, 5.5 ± 0.2, 5.5 ± 0.3, 5.7 ± 0.3, and 5.4, respectively. After omepra-zole, abdominal feeling scores for the same incremental pressures over MDP were 0.3 ± 0.1, 0.8 ± 0.1, 2.0 ± 0.4, 2.8 ± 0.4, 3.8 ± 0.4, 4.6 ± 0.4, 4.9 ± 0.3, 5.4 ± 0.4, 5.2 ± 0.6, and 5.0 ± 1.0, re

关键词：奥美拉唑志愿者胃癌毫米汞柱 MDP 评价等级聚乙烯醇不良反应

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