ごあいさつ

当院は内科、消化器内科 (上部、下部内視鏡を含む)を専門とするクリニックです。

日本、米国の基幹病院での長い勤務経験をいかして、大腸ポリープ、慢性炎症性腸疾患、肝臓疾患をはじめ、高血圧、糖尿病、高脂血症など内科疾患全般も診療します。
最先端の内視鏡検査器機を用いて、上部(胃カメラ)、下部(大腸カメラ)の検査を行っています。
上部消化管内視鏡に関しては、鼻からでも口からでも検査が可能です。また、鎮静剤、鎮痛剤の投与もご希望に応じて行っています。
超音波検査、単純レントゲン、心電図なども最先端の機器をそろえ、院内ネットワークに接続されていますので効率よく診療を受けて頂くことができます。

地域の皆さんはもとより、来院していただくすべての方に、最善の医療を提供したいと考えています。
京浜東北線の港南台駅から3分という便利な場所ですので、消化器疾患はもとより、生活習慣病でお悩みの方も含めて、気軽に御利用下さい。

院長 小俣 富美雄

院長小俣 富美雄MD, MPH, PhD

専門領域

消化器病学

上部消化管疾患
  • 胃癌
  • ヘリコバクターピロリ感染症
下部消化管疾患
  • 大腸ポリープ
  • 大腸癌
  • 慢性炎症性腸疾患

など

肝臓病
  • 脂肪肝
  • B型肝炎
  • C型肝炎
  • 自己免疫性肝炎

など

その他のよくある内科疾患

  • 高血圧
  • 糖尿病
  • 高脂血症
  • 高尿酸血症
  • 鉄欠乏性貧血

など

主な略歴

2007年4月-2022年3月
聖路加国際大学、聖路加国際病院、消化器内科（臨床教授、研究教授を歴任）
日本消化器病学会炎症性腸疾患ガイドライン2016作成委員
2005年7月-2006年6月
コロラド州立大学病院（米国デンバー）上級内視鏡フェロー
1997年4月-1999年3月
ブリガムウイメンズ病院（ハーバード大関連病院、米国ボストン）消化器内科フェロー

学歴

2005年
ハーバード大学大学院
1985年
東海大学医学部（卒業時、東海医学会賞）

学位その他

2010年
医学博士
2005年
公衆衛生学修士
2001年
USMLE Step1-3（米国医師国家試験）
1997年
Standard ECFMG certificate
1985年
日本国医師免許証

資格

  • 日本消化器内視鏡学会消化器内視鏡専門医
  • 日本消化器病学会消化器病専門医
  • 日本肝臓学会肝臓専門医
  • 日本内科学会総合内科専門医
  • 日本ヘリコバクター学会感染症認定医

所属学会

  • 日本消化器内視鏡学会（学術評議員）
  • 日本消化器病学会（学会評議員）
  • 日本肝臓学会
  • 日本内科学会
  • 日本ヘリコバクター学会（代議員）
  • 米国消化器内視鏡学会（FASGE）
  • 米国消化器病学会（AGAF）
  • 米国消化器病学会（FACG）
  • 米国内科学会（FACP）

業績

発表論文

  1. Tomino Y, Yagame M, Omata F, Nomoto Y, Sakai H. A Case of IgA Nephropathy Associated with Adeno- and Herpes Simplex Viruses. Nephron 1987; 47: 258-61.
  2. Omata F, Nakazawa H, Nakano M, Arimori S. Erythrocyte Superoxide Dismutase in Various Hematological Diseases. Tokai J Exp Clin Med. 1990; 15: 99-106.
  3. Omata F, Ichikawa Y, Nozaki H, Nomoto H, Arimori S. Factor V deficiency in a Patient with Rheumatoid Arthritis. Jpn J Med. 1991; 30: 157-160.
  4. Omata F, Ichikawa Y, Kushibiki Y, Shimizu H, Yoshida M, Komatsuda M, Arimori S. Differential Expression of CD25 or CD71 on CD4+ and/or CD8+ Tumor Cells From a Patient With Adult T-cell Leukemia/Lymphoma. Am J Hematol. 1992; 40:160-1.
  5. Omata F, Komatsuda M, Nagao T, Arimori S. Change of Paraprotein From IgA to k Chain in Multiple Myeloma. Am J Hematol. 1992; 40:159-160.
  6. Yamauchi K, Omata F. Leukemic pneumonitis as a poor prognostic factor in chronic myelomonocytic leukemia . Respiration. 1992; 59:119-21.
  7. Omata F, Arakawa S, Takahashi H, Ueno F. Crohn's disease associated with pancreatitis of unknown etiology. Gastroenterol Jpn. 1993; 28: 420-23.
  8. Omata F, Ueno F, Kushibiki Y, Takahashi H. Fulminant hepatitis following bone marrow transplantation in hepatitis B virus carrier siblings. J of Gastroenterol.1994; 29: 653-55.
  9. Takahashi H, Nishimura T, Omata F, Suga T, Ueno F. A case of Salmonella colitis with prominent ulcer formation in the rectum. Progress of Digestive Endoscopy. 1994; 45: 218-9.
  10. Omata F, Ide H, Itoh T, Shibayama Y, Takahashi H, Ueno F. Interferon therapy for fulminant hepatitis associated with precore region mutation in hepatitis B virus carrier. Am J Gastroenterol. 1996; 91: 1673-5.
  11. Omata F, Itoh T, Shibayama Y, Ide H, Takahashi H, Ueno F, Saubermann LJ, Matsuzaki S. Duodenal variceal bleeding treated with combination of endoscopic ligation therapy and sclerotherapy. Endoscopy. 1998; 30: S62-3.
  12. Tazume S, Kajiyama G, Mizuno T, Yamashita G, Miura H, Kajihara T, Hattori Y, Miyake H, Nishioka T, Hyogo H, Sunami Y, Yasumiba S, Ochi H, Matsumoto T, Abe A, Adachi K, Omata F, Ueno F, Sugata F, Ohguri S, Shibata H, Kokubu S. A combination therapy with simvastatin and ursodeoxycholic acid is more effective for cholesterol gallstone dissolution than is ursodeoxycholic acid monotherapy. J Clin Gastroenterol. 1998; 26:287-91.
  13. Christ AD, Stevens AC, Koeppen H, Walsh S, Omata F, Devergne O, Birkenbach M, Blumberg RS. An interleukin 12-related cytokine is up-regulated in ulcerative colitis but not in Crohn's disease. Gastroenterology. 1998; 115: 307-13.
  14. Omata F, Birkenbach M, Matsuzaki S, Christ AD, Blumberg RS. The expression of IL-12 p40 and its homologue, Epstein-Barr virus Induced Gene 3, in inflammatory bowel disease. Inflammatory Bowel Disease. 2001; 7: 215-20.
  15. Takahashi O, Noguchi Y, Omata F, Tokuda Y, Fukui T. Probiotics in the prevention of traveler’s diarrhea meta-analysis. J Clin Gastroenterol. 2007; 41: 336-7.
  16. Jacobs JL, Takahashi O, Hirai S, Tokuda Y, Omata F, Fukui T. When fear trumps science: a case study for finding alternative research methods. British Medical Journal. 2007
  17. Tokuda Y, Okubo S, Jacobs J, Takahashi O, Omata F, Yanai H, Fukui T. Assessing Items on the SF-8 Japanese Version for Health-Related Quality of Life: A Psychometric Analysis Based on the Nominal Categories Model of Item Response Theory. Value in Health. 2008; 12; 568-73.
  18. Omata F, Sato S, Tokuda Y, Takahashi O, Fukui T. Autoimmune Hemolytic Anemia Associated with Primary Biliary Cirrhosis. General Medicine. 2008; 9: 65-70.
  19. Ohde S, Takahashi O, Jacobs J, Tokuda Y, Omata F, Hinohara S, Fukui T. Japanese Medical Residents” Self-Assessed Confidence in Clinical Research: Skills Improve with Experience in Scholarly Acitivites. General Medicine. 2008; 9: 81-2.
  20. Omata F, Brown WR, Tokuda Y, Takahashi O, Fukui T, Mine T. Modifiable risk factors for colorectal neoplasms and hyperplastic polyp. Internal Medicine. 2009; 48: 123-8.
  21. Takahashi O, Ohde S, Jacobs JL, Tokuda Y, Omata F, Fukui T. Residents’ Experience of Scholarly Activities is Associated with Higher Satisfaction with Residency Training. J Gen Intern Med. 2009; 24: 716-20.
  22. Jacobs JL, Ohde S, Takahashi O, Tokuda Y, Omata F, Fukui T. Use of surgical masks to reduce the incidence of the common cold among health care workers in Japan: A randomized controlled trial. American J of Infection Control. 2009; 37:417-9.
  23. Jacobs JL, Takahashi O, Ohde, S, Tokuda Y, Omata F, Fukui T. PDA Usage by Japanese Resident Physicians Is Low. Methods Inf Med. 2009; 24: 716-20.
  24. Horiki N, Omata F, Uemura M, Suzuki S, Ishii N, Iizuka Y, Fukuda K, Fujita Y, Katsuhara M, Ito T, Cesar GE, Imoto I, Takei Y. Annual change of primary resistance to clarithromycin among Helicobacter pylori isolates from 1996 through 2008 in Japan. Helicobacter. 2009; 14: 86-90.
  25. Omata F, Shibata M, Nakano M, Jacobs JL, Tokuda Y, Takahashi O, Fukutake K, Fukui T. Chronic hepatitis with eosinophilic infiltration associated with asthma. Internal Medicine. 2009; 48: 1945-9.
  26. Tokuda Y, Omata F, Tsugawa Y, Maesako K, Momutura K, Stein GH, Cook EF. Vital sign triage to rule out diabetic ketoacidosis and non-ketotic hyperosmolar syndrome in hyperglycemic patients. Diabetes Res Clin Pract. 2010; 87: 366-71.
  27. Omata F, Deshpande G, Tokuda Y, Takahashi O, Ohde S, Carr-Locke DL, Jacobs JL, Mine T, Fukui T. Meta-analysis: Somatostatin or its long acting analogue, Octreotide, for Prophylaxis against Post-ERCP Pancreatitis. Journal of Gastroenterology. 2010; 45: 885-95.
  28. Tokuda Y, Goto E, Otaki J, Jacobs J, Omata F, Obara H, Shapiro M, Soejima K, Ishida Y, Ohde S, Takahashi O, Fukui T. Undergraduate educational environment, perceived preparedness for postgraduate clinical training, and pass rate on the National Medical Licensure Examination in Japan. BMC Med Educ. 2010; 10: 35.
  29. Horiki N, Omata F, Imoto I. Recent trend of antibiotics resistance of H. pylori infection. Japanese Journal of Helicobacter Research. 2010; 12: 2-6.
  30. Ohde S, Omata F, Jacobs J, Tokuda Y, Takahashi O, Nakamura B, Mabuchi M, Horinouch H, Hinohara S, Fukui T. Positive Association Between Sleeping Prone and Good Quality Sleep. General Medicine. 2010; 11: 11-5.
  31. Nomura A, Omata F, Furukawa K. Risk factors of mid-term mortality of the patients with infective endocarditis. Eur J Clin Microbiol Infect Dis. 2010; 29: 1355-60.
  32. Matsukawa H, Shinoda M, Yamamoto D, Fujii M, Murakata A, Ishikawa R, Omata F. Antiplatelet agents are risk factors for cerebellar hemorrhage in patients in patients with primary intracerebral hemorrhage. J Stroke Cerebrovasc Dis. 2011; 20: 346-51.
  33. Ohde S, Hayashi A, Takahashi O, Yamakawa S, Nakamura M, Osawa A, Shapiro ML, Deshpande GA, Tokuda Y, Omata F, Ishida Y, Soejima K, Hinohara S, Fukui T. A 2-week prognostic prediction model for terminal cancer patients in a palliative care unit at a Japanese general hospital. Palliat Med 2011; 25: 170-176.
  34. Tokuda Y, Omata F, Fukui T. The New Japanese Postgraduate Medical Education and Quality of Emergency Mecical Care. The Journal of Emergency Medicine. 2011; 43: 494-501.
  35. Omata F, Shintani A, Isozaki M, Masuda K, Fujita Y, Fukui T. Diagnostic performance of quantitative fecal immunochemical test and multivariate prediction model for colorectal neoplasms in asymptomatic individuals. Eur J Gastroenterol Hepatol 2011; 23: 1036-41.
  36. Tomita K, Otani N, Omata F, Ishimatsu S. Clinical significance of plasma ammonia in patients with generalized convulsion. Intern Med. 2011; 50: 2297-301.
  37. Takeyachi Y, Fukui T, Tokuda Y, Takahashi O, Ohde S, Omata F. Perception of Orthopedics Regarding Spinal Manipulation. J. Spine Res. 2011; 2: 1192-6.
  38. Tazaki A, Tachibana N, Nozaki F, Omata F, Morita W, Kuroda E, Hosikawa Y. The change of clinical feature in the patients with partial rotator cuff injury: Comparison between conservative therapy and type of injury. JOSKAS. 2011; 36: 337-42.
  39. Kawaguchi Y, Ogawa M, Omata F, Nakajima T, Tajima K, Tsukune Y, Fujisawa M, Maruno A, Yazaki T, Shirakura K, Okita I, Ito H, Tajima H, Kojima S, Shimosegawa T, Mine T. Randomized Controlled Trial of Pancreatic Stenting to Prevent Pancreatitis after Endoscopic Retrograde Cholangiopancreatography. World Journal of Gastroenterology 2012; 18: 1635-41.
  40. Horiki N, Omata F, Uemura M, Suzuki S, Ishii N, Fukuda K, Fujita Y. Risk of local recurrence for early gastric cancer treated with piecemeal endoscopic mucosal resection in 10 years’ follow-up. Surg Endosc. 2012; 1: 72-8.
  41. Ishii N, Setoyama T, Deshpande GA, Omata F, Matsuda M, Suzuki S, Uemura M, Iizuka Y, Fukuda K, Fujita Y. Endoscopic band ligation for colonic diverticular hemorrhage. Gastrointest Endosc 2012; 75: 382-7.
  42. Horiki N, Omata F, Ninomiya K, Tano S, Katuhara M, Gabazza EC, Takei Y. Caucasian ethnicity as a risk factor for more severe mucosal damage of gastroesopageal reflux disease. Esophagus. 2012; 9: 153-7.
  43. Nomura A, Yamaji K, Shirai S, Omata F, Soga Y, Nagashima M, Arita T, Ando K, Sakai K, Goya M, Yokoi H, Iwabuchi M, Nobuyoshi M. Very long-term outcomes after percutaneous coronary intervention with bare metal stents for unprotected left main coronary artery disease. Eurointervention. 2012; 8: 962-9.
  44. Ishii N, Hirata N, Omata F, Itoh T, Uemura M, Matsuda M, Suzuki S, Iizuka Y, Fukuda K, Fujita Y. Location in the ascending colon is a predictor for refractory colonic diverticular hemorrhage after endoscopic clipping. Gastrointest Endosc. 2012; 76: 1175-81.
  45. Omata F, Deshpande GA, Ohde S, Mine T, Fukui T. The association between obesity and colorectal adenoma: Systematic review and meta-analysis. Scand J of Gastroenterol. 2013; 48: 136-46.
  46. Ishiyama M, Yanase F, Taketa T, Makidono A, Suzuki K, Omata F, Saida Y. Significance of size and location of appendicoliths as exacerbating factor of acute appendicitis. Emerg Radiol. 2013; 20: 125-30.
  47. Matsuda M, Omata F, Fuwa S, Saida Y, Suzuki S, Uemura M, Ishii N, Iizuka Y, Fukuda K, Fujita Y. Prognosis of hepatocellular carcinoma treated solely by transcatheter arterial chemoembolization: Risk factors for one-year recurrence and two-year mortality: Preliminary data. Internal Medicine 2013; 52: 847-53.
  48. Asaoka D, Omata F, et al. Trends of second-line eradication therapy for Helicobacter pylori in Japan: A Multicenter Study in the Tokyo Metropolitan Area. Helicobacter. 2013; 18: 468-72.
  49. Omata F, Ohde S, Deshpande GA, Kobayashi D, Masuda K, Fukui T. Image-enhanced, chromo, and cap-assisted colonoscopy for improving adenoma/neoplasia detection rate: A systematic review and meta-analysis. Scand J of Gastroenterol. 2014; 49: 222-37.
  50. Shimamura Y, Nakamura K, Ego M, Omata F. Advanced imaging in black esophagus. Can J Gastroenterol Hepatol. 2014; 28: 471-2.
  51. Natsumoto B, Omata F, et al. Risk factors for linezolid associated thrombocytopenia in adult patients. Infection. 2014; 42: 1007-12.
  52. Shimamura Y, Omata F, Nakamura K, Ohigashi S, Suzuki K, Fujita Y. A case of adult duodenal pleomorphic rhabdomyosarcoma. ACG Case Rep J. 2014; 2: 11-2.
  53. Kawai T, Takahashi S, Suzuki H, Sasaki H, Nagahara A, Asaoka D, Matsuhisa T, Masaoaka T, Nishizawa T, Suzuki M, Ito M, Kurihara N, Omata F, Mizuno S, Torii A, Kawakami K, Ohkusa T, Tokunaga K, Mine T, Sakaki N. Changes in the first line Helicobacter pylori eradication rates using the triple therapy-a multicenter study in the Tokyo metropolitan area (Tokyo Helicobacter pylori study group). J Gastroenterol Hepatol. 2014; 29 Suppl 4: 29-32.
  54. Tano S, Horiki N, Omata F, et al. 2nd and 3rd look endoscopy for the prevention of post-ESD bleeding. Medicine. 2015; 94: e491.
  55. Horiki N, Furukawa K, Kitade T, Sakuno T, Katsuhara M, Harada T, Tano S, Yamada R, Hamada Y, Inoue H, Tanaka K, Gabazza EC, Ishii N, Fukuda K, Omata F, Fujita Y, Tachibana H, Takei Y. Endoscopic findings and lesion distribution in amebic colitis. J Infect Chemother. 2015; 21: 444-8.
  56. Ikeya T, Ishii N, Nakano K, Omata F, Shimamura Y, Ego M, Takagi K, Nakamura K, Fukuda K, Fujita Y. Risk factors for early rebleeding after endoscopic band ligation for colonic diverticular hemorrhage. Endoscopy International. Endosc Int Open. 2015; 5: E523-8.
  57. Shimamura Y, Ishii N, Omata F, Imamura N, Okamoto T, Ego M, Nakano K, Ikeya T, Nakamura K, Takagi K, Fukuda K, Fujita Y. Endoscopic band ligation for colonic diverticular bleeding: possibility of standardization. Endosc Int Open. 2016; 2: E233-7.
  58. Higuchi T, Omata F, Tsuchihashi K, Higashioka K, Koyamada R, Okada S. Current smoking is a reversible cause of elevated white blood cell count: cross-sectional and longitudinal studies. Preventive Medicine Report. 2016; 4: 417-22.
  59. Omata F, Shimbo T, Ohde S, Deshpande GA, Fukui T. Cost-effectiveness analysis of Helicobacter pylori diagnostic methods in the patients with atrophic gastritis. Gastroenterol Res Pract. 2017;
  60. Ishii N, Omata F, et al. Management of early gastric cancer with positive horizontal or indeterminable margins after endoscopic submucosal dissection: Multicenter survey. Endosc Int Open. 2017; E354-E362.
  61. Fukui T, Rahman M, Ohde S, Hoshino E, Kimura T, Urayama KY, Omata F, Deshpande GA, Takahashi O. Reassessing the Ecology of Medical Care in Japan. J Community Health. 2017; 42: 935-41.
  62. Itoh C, Omata F, et al. Diagnostic performance of cell population data for sepsis. Nihon Kensaketsuekigakkai Zasshi2018; 19: 48-55.
  63. Ishii N, Omata F, et al. Effectiveness of endoscopic treatments for colonic diverticular bleeding. Gastrointest Endosc. 2018; 87: 58-66.
  64. Matsuoka K, Kobayashi T, Omata F, et al. Evidence-based clinical practice guidelines for inflammatory bowel disease. J Gastroenterol. 2018; 53: 305-53.
  65. Komai T, Omata F, Shiratori Y, Kobayashi D, Arioka H. Risk factors for acute hemorrhagic rectal ulcer syndrome and its prognosis: A density case-control study. Gastroenterology research and practice. 2018: 8179890.
  66. Honda H. Ishii N, Omata F, et al. Risk factors of early rebleeding in the endoscopic management of colonic diverticular bleeding. J Gastroenterol Hepatol. 2019.
  67. Mori H, Suzuki H, Omata F, et al. Current status of first- and second-line Helicobacter pylori eradication therapy in metropolitan area; A multicenter study with a large number of patients. Therap Adv Gastroenterol. 2019
  68. Omata F, Kumakura Y, Ishii N, Deshpande GA, Matoba K, Ohmuro A, Rai F, Takashima M, Kato A , Masuda K. Non-effectiveness of scopolamine for facilitating detection of upper gastrointestinal neoplasia during screening esophagogastroduodenoscopy: Propensity score matched study. Endoscopy. 2020; 52: 556-62.
  69. Kuwada S, Omata F, et al. Novel association between Helicobactor pylori infection and gastrointestinal stromal tumors in a multi-ethnic population. Gastrointestinal Stromal Tumor.
  70. Nagata N, Niikura R, Ishii N, Kaise M, Omata F, Tominata N, Kitagawa T, Ikeya T, Kobayashi K, Furumoto Y, Narasaka T, Iwata E, Sugimoto M, Itoi T, UemuraN, Kawai T. Cumulative Evidence for Reducing Recurrence of Colonic Diverticular Bleeding Using Endoscopic Clipping versus Band Ligation: Systematic Review and Meta-analysis. J Gastroenterol Hepatol. 2020.
  71. Kobayashi T, Motoya S, Nakamura S, Yamamoto T, Nagahori M, Tanaka S, Hisamatsu T, Hirai F, Nakase H, Watanabe K, Matsumoto T, Tanaka M, Abe T, Suzuki Y, Watanabe M, Hibi T, Kato S, Maemoto A, Matsuura M, Sakemi R, Sasaki M, Tsujikawa T, Esaki M, Fukata N, Kitamura K, Hiraoka S, Hokari R, Ishihara S, Mizoshita T, Naito Y, Omata F, Saruta M, Yoshino T. Discontinuation of infliximab in patients with ulcerative colitis in remission (HAYABUSA): a multicentre, open-label, randomized controlled trial. Lancet Gastroenterol Hepatol. 2021.
  72. Omata F, Deshpande GA, Suzuki H, Hayashi K, Ishii N, Matoba K, Ohmuro A, Rai F, Takashima M, Fukuda K, Masuda K, Kumakura Y. Cumulative incidence of metachronous advanced colorectal neoplasia after colonoscopy: a cohort study. Eur J Gastroenterol Hepatol. 2021; 33: 1341-1347.
  73. Ishii N, Nagata N, Kobayashi K, Yamauchi A, Yamada A, Omori J, Ikeya T, Aoyama T, Tominaga N, Sato Y, Kishino T, Sawada T, Murata M, Takao A, Mizukami K, Kinjo K, Fujimori S, Uotani T, Fujita M, Sato H, Suzuki S, Narasaka T, Hayasaka J, Funabiki T, Kinjo Y, Mizuki A, Kiyotoki S, Mikami T, Gushima R, Fujii H, Fuyuno Y, Gunji N, Toya Y, Narimatsu K, Manabe N, Nagaike K, Kinjo T, Sumida Y, Funakoshi S, Kawagishi, K, Matsuhashi T, Komaki Y, Miki K, Watanabe K, Omata F, Shiratori Y, Imamura N, Yano T, Kaise M. Outcomes in high- and low-volume hospitals with acute hematochezia: a propensity score-matched cohort with path and mediation analyses. Sci Rep 2021; 11(1): 20373.
  74. Yamamoto K, Ikeya T, Kanomata N, Deshpande GA, Takagi K, Omata F. Three types of subepithelial lesion-like gastric cancer including a new entity of gastric adenocarcinoma. Case Rep Gastroenterol 2022; 16: 368-374.
  75. Shiratori Y, Ishii N, Aoki T, Kobayashi K, Yamauchi A, Yamada A, Omori J, Aoyama T, Tominaga N, Sato Y, Kishino T, Sawada T, Murata M, Takao A, Mizukami K, Kinjo K, Fujimori S, Uotani T, Fujita M, Sato H, Suzuki S, Narasaka T, Hayasaka J, Funabiki T, Kinjo Y, Mizuki A, Kiyotoki S, Mikami T, Gushima R, Fujii H, Fuyuno Y, Gunji N, Toya Y, Narimatsu K, Manabe N, Nagaike K, Kinjo T, Sumida Y, Funakoshi S, Kobayashi K, Matsuhashi T, Komaki Y, Miki K, Watanabe K, Yamamoto K, Yoshimoto T, Takasu A, Ikeya T, Omata F, Fukuda K, Kaise M, Nagata N. Timing of Colonoscopy in Acute Lower Gastrointestinal Bleeding: A Multicenter Retrospective Cohort Study. Gastrointest Endosc 2023; 97: 89-99.
  76. Ishii N, Shiratori Y, Yano T, Konai M, Arai Y, Hamana J, Maekawa H, Omata F. Reevaluation of gastric cancer screening by Levin’s equation. Clin Transl Gastroenterol in press.
  77. Ishii N, Shiratori Y, Omata F. Pitfalls of advanced endoscopy technologies in gastrointestinal cancer screening. Am J Gastroenterol 2023; 118: 371-372.
  78. Ishii N, Shiratori Y, Omata F. Helicobactor pylori, Homologous-Recombination Genes, and Gastric cancer. N Engl J Med 2023; 389: 379.
  79. Ishii N, Shiratori Y, Omata F. Population effectiveness of endoscopy screening for mortality reduction in gastric cancer. DEN Open 2023; 4(1):e296

学会発表

  1. Omata F, Hasebe T, Konagaya M, Harasawa S, Miwa T, Momose E, Mitomi T. A case of juvenile gallstone. The 19th Kanagawa gastroenterological meeting on 11/1/1986.
  2. Mikami Y, Arakawa S, Omata F, Chiba M, Takahashi H, Ueno F, Iwamura K. A case of Schistosomiasis with hepatocellular carcinoma in which the egg was detected laparoscopically. The 24th Laparoscope Meeting. 9/29/1988.
  3. Mikami Y, Omata F, Chiba M, Kato S, Takahashi H, Arakawa S, Ueno F. Two cases of Shigellosis which colonic mucosa was observed by videoendoscope in their acute phase. The 33th Kanagawa gastroenterological meeting. 6/1/1988.
  4. Omata F. Arimori S. Erythrocyte superoxide dismutase in various hematological diseases. In Denmark on 3/8/1990.
  5. Omata F, Yamamoto M, Arimori K, Takahashi H, Ueno F. A case of Ischemic colitis only in Ascending colon. The 216th Kanto regional meeting of the Japanese society of gastroenterology. 9/28/1991.
  6. Oota K, Omata F, Takahashi H, Ueno F. A case of spontaneously resolved recurrent antibody associated pseudomembranous colitis. The 217th Kanto regional meeting of the Japanese society of gastroenterology. 12/7/1991.
  7. Omata F, Takahashi H, Ueno F, Komatsuda M, Sato T. A case of Malignant Histiocytosis. The 16th Kanagawa liver conference. 2/8/1992.
  8. Takahashi H, Omata F, Ueno F. A case of liver cirrhosis with hyponatremia and convulsion induced by vasopressin. The 218th Kanto regional meeting of the Japanese society of gastroenterology. 2/8/1992.
  9. Omata F, Takahashi H, Ueno F, Nakamura M. A case of pedunculated colonic leiomyoma removed by endoscopic polypectomy. The 54th meeting of Kanto regional meeting of the Japanese society of gastroenterological endoscopy. 6/20/1992.
  10. Omata F, Takahashi H, Ueno F. The association between appendectomy and colonic polypoid lesions: Case-control study. The 34th meeting of the Japanese Society of Gastroenterology. Oct/1992.
  11. Takahashi H, Yamamoto M, Omata F, Arakawa S, Ueno F. Case series of colorectal cancer with positive fecal occult blood test. Gastroenterological Endoscopy. 1992; 34: 1710.
  12. Yamamoto M, Takahashi H, Omata F, Arakawa S, Ueno F. Colonoscopy and respiratory suppression; Is it possible to predict high risk case ? Gastroenterological Endoscopy. 1992; 34: 1714.
  13. Takahashi H, Omata F, Ueno F. Colonoscopic observation of ulcer on the ileocecal valve and its clinical implication. ASGE Meeting 1992.
  14. Takahashi H, Yamamoto M, Omata F, Arakawa S, Ueno F. A case of Yersinia enteritis with remarkable ulcer on ileocecal valve. Gastroenterological Endoscopy. 1992; 34:255.
  15. Takahashi H, Omata F, Ueno F. The meaning of screening colonoscopy before elective surgery. Gastroenterological Endoscopy. 1992; 34: 3042.
  16. Nagasu N, Omata F, Takahashi H, Ueno F, Sato S. A case of hemothorax due to the metastasis of hepatocellular carcinoma. The 223th Kanto regional meeting of the Japanese society of gastroenterology. 2/6/1993.
  17. Omata F, Nagasu N, Takahashi H, Ueno F. The association between cholecystectomy and colonic polypoid lesions: Case-control study. The 79th meeting of the Japanese Society of Gastroenterology. March/1993.
  18. Takahashi H, Nagasu N, Omata F, Ueno F, Tobita H, Kubo H, Mukai M, Hanaue H. Colorectal tumor in the case with cholecystectomy. Gastroenterological Endoscopy. 1993; 35: 1632.
  19. Oonuki Y, Omata F, Nagasu N, Takahashi H, Ueno F. Two cases of tuberculous pleural effusion with liver cirrhosis diagnosed by PCR. The 224th Kanto regional meeting of the Japanese society of gastroenterology. 5/22/1993.
  20. Omata F, Takahashi H, Ueno F, Okazaki Y. A case of severe aplastic anemia associated with primary biliary cirrhosis. The 229th Kanto regional meeting of the Japanese society of gastroenterology. 5/14/1994.
  21. Ide H, Omata F, Nagasu N, Shibayama Y, Takahashi H, Ueno F, Fusegawa H. A case of the ascending colonic ulcer in which non-tuberculous Mycobacterium was detected by PCR. The 231th Kanto regional meeting of the Japanese society of gastroenterology. 9/3/1994.
  22. Ide H, Omata F, Shibayama Y, Takahashi H, Ueno F. A case of paraproteinemia associated with rectal cancer. The 233th Kanto regional meeting of the Japanese society of gastroenterology. Feb/1995.
  23. Omata F, Ueno F, Ide H, Shibayama Y, Takahashi H. Colorectal neoplasms and smoking; A CASE-CONTROL STUDY. Digestive disease week in U.S.A. 1995.
  24. Ito T, Omata F, Ide H, Shibayama Y, Takahashi H, Ueno F, Tanaka H, Oota M, Nakazaki H. A case of adult malrotation presenting malnutrition and volvulus. The 237th Kanto regional meeting of the Japanese society of gastroenterology. 12/9/1995.
  25. Ito T, Omata F, Ide H, Shibayama Y, Takahashi H, Ueno F. A case of colon cancer associated with immunothrombocytopenic purpura. The 238th Kanto regional meeting of the Japanese society of gastroenterology. 2/17/1996.
  26. Takahashi H, Ide H, Shibayama Y, Ito T, Omata F, Ueno F. Case finding of colorectal neoplasia in outpatient clinic: Rectosigmoid-colonic neoplasia are markers ? Digestive disease week in U.S.A. 1996.
  27. Ito T, Omata F, Kawazoe K, Ide H, Takahashi H, Ueno F. A experience of treating Crohn’s disease with pyloric stenosis. The 241th Kanto regional meeting of the Japanese society of gastroenterology. 9/14/96.
  28. Kawazoe K, Takahashi H, Ide H, Omata F, Ito T, Ueno F. A case of acute mesenteric ischemia; Difficult case for diagnosis. The 29th Kanagawa gastroenterological meeting on 11/30/1996.
  29. Ito T, Omata F, Kawazoe K, Ide H, Takahashi H, Ueno F. A case of duodenal varix eradicated by endoscopic variceal ligation. The 242th Kanto regional meeting of the Japanese society of gastroenterology. 12/7/1996.
  30. Kojima S, Kamochi J, Iizuka T, Shiozawa H, Yamada C, Numata M, Takashimizu S, Kawazoe K, Omata F Shiraishi K, Watanabe N, Matsuzaki S. A case of hepatic glomerulosclerosis in the patient with alcoholic liver cirrhosis. The 44th Kanagawa gastroenterological meeting on 6/19/1999.
  31. Shiozawa H, Takashimizu S, Yamada C, Iizuka T, Kamochi J, Kojima S, Doi J, Morino F, Kawazoe K, Numata M, Omata F, Shiraishi K, Watanabe N, Matsuzaki S. A case of hemolytic anemia with alcoholic hepatic fibrosis which was successfully treated by splenectomy. The 255 th Kanto regional meeting of Japanese society of gastroenterology. 7/17/1999.
  32. Yamada C, Takashimizu S, Shiozawa H, Iizuka T, Kamochi J, Kojima S, Doi J, Morino F, Numata M, Kawazoe K, Omata F, Shiraishi K, Watanabe N, Matsuzaki S, Kijima H. A case of chronic active EB virus infection with the pathological finding of chronic hepatitis. The 256 th Kanto regional meeting of Japanese society of gastroenterology. 7/17/1999.
  33. Doi J, Omata F, Kojima S, Kamochi J, Iizuka T, Shiozawa H, Yamada C, Numata M, Takashimizu S, Kawazoe K, Shiraishi K, Watanabe N, Matsuzaki S. Idiopathic portal hypertension associated with HCV infection and iron deficiency anemia. The 45th Kanagawa gastroenterological meeting on 11/1/1999.
  34. Kamochi J, Omata F, Matsuzaki S. Primary amyloidosis initially presenting hematochezia. Th 258th Kanto regional meeting of Japanese society of gastroenterology. 3/4/2000.
  35. Kojima S, Omata F, Matsuzaki S. The change of prevalence of fatty liver which were diagnosed by screening abdominal ultrasound in the last ten years. Annual meeting of Japanese Society of Internal Medicine, 4/6/2000.
  36. Omata F, Birkenbach M, Matsuzaki S, Blumberg RS. Characterization of Epstein-Barr virus induced gene 3 mRNA expression relative to the expression of the IL-12 p40 subunit in human inflammatory bowel disease. Digestive disease week. San Diego 2000.
  37. Takashimizu S, Watanabe N, Nishizaki Y, Doi J, Yamada C, Shiozawa H, Numata M, Omata F, Matsuzaki S. Involvement of Endothelin (ETA) Receptors in the regulatory mechanism of hepatic microcirculation from the viewpoint of alterations of sinusoidal fenestrae. Digestive disease week. San Diego 2000.
  38. Omata F, Ueno F, Mine T, Chen YK, Smoking as a risk factor for colorectal neoplasia and hyperplastic polyps in Japanese Patients. Digestive disease week. Los Angels 2006.
  39. Hoque M, Omata F, Chen YK, Antillon M, Raj S. The Cytologic assessment of EUS-FNA of solid pancreatic masses. ACG Meeting in U.S.A. 2006
  40. Nomura A, Omata F, Suzuki S, Fujitani S, Tsukamoto M, Iizuka Y, Ishii N, Fukuda K, Horiki N, Fujita Y. Malignant peritoneal mesothelioma diagnosed in observing elevated serum CYFRA. The 295th Kanto regional meeting of the Japanese Society of Gastroenterology. 7/7/2007.
  41. Horiki N, Ishii N, Omata F, Fujitani S, Suzuki S, Tsukamoto M, Arai M, Fukuda K, Iizuka Y, Fujita Y, Maruyama M. Meaning of conventional EMR in age of ESD. The 85th Kanto regional meeting of the Japanese Society of Gastrointestinal Endoscopy. 11/23/2007.
  42. Takahashi O, Ohde S, Jacobs JL, Tokuda Y, Omata F, Fukui T. Residents’ experience of scholarly activities is associated with higher satisfaction with residency training. Annual Meeting of Society of General Internal Medicine. 2008
  43. Horiki N, Omata F, Fujita Y. Local recurrence rate of gastric cancer in ten years’ follow up after endoscopic resection: Retrospective Cohort study. Digestive disease week. San Diego 2008
  44. Omata F. Non-genetic risk factors for colorectal polyp. The 94th Annuala Meeting of the Japanese Society of Gastroenterology Japan. Fukuoka 2008
  45. Fujitani S, Horiki N, Omata F. Interaction between Helicobacter pylori infection and NSAIDS in patients with hemorrahgic peptic ulcer diseases. The 14th meeting of the Japanese Society for Helicobacter Research in Hyogo 2008
  46. Ichikawa A, Omata F, Karikomi H, Shiokawa M, Fujita Y, Kizu J. Compliance of oral branched-chain amino acid granules in patients with liver cirrhosis. 16th Clinical Pharmacy Symposium, July, 2008
  47. Oyashiki N, Omata F, Horiki N, Fujitani S, Suzuki S, Tsukamoto M, Ishii N, Iizuka Y, Fukuda K, Fujita Y. Longitudinal change of prevalence of Clarithromycin resistant H. pylori and its risk factors. JDDW, Tokyo 2008
  48. Omata F, Tokuda Y, Takahashi O, Ohde S, Jacobs J, Fukui T. Meta-analysis: Somatostatin or its long acting analogue, Octreotide for Prophylaxis against Post-ERCP Pancreatitis. Annual Meeting of American College of Gastroenterology. Orland 2008
  49. Fujitani S, Horiki N, Omata F. The association between NSAIDs and severity of anemia in the patients of upper gastrointestinal bleeding caused by peptic ulcer disease. The 95th Annual Meeting of the Japanese Society of Gastroenterology Japan. Sapporo 2009
  50. Omata F, Masuda K, Horiki N, Fujita Y. Diagnostic performance of quantitative fecal immunological-based test for screening of colorectal neoplasm in asymptomatic individual. Digestive Disease Week in U. S. A. Chicago IL 2009
  51. Horiki N, Omata F, Katsurahara M, Imoto I, Takei Y. Relationship between metronidazole and clarithromycin resistance among Helicobacter pylori isolates in Japan. The 15th Annual Meeting of the Japanese Society for Helicobacter Research. Tokyo 2009
  52. Omata F, Tokuda Y, Takahashi O, Ohde S, Masuda K, Fujita Y, Mine T, Fukui T. Somatostatin or its long Acting analogue, Octreotide for Prophylaxis against Post-ERCP Pancreatitis. Japan Digestive Disease Week. Kyoto 2009 (Poster Award)
  53. Nomura A, Omata F, Furukawa K. Risk factors of long-term mortality of the patients with infective endocarditis. The 47th Annual Meeting of the infectious Diseases Society of America. 2009
  54. Ozeki R, Nishi Y, Omata F. Associated Factors with Well-control by Warfarin in St. Luke’s International Hospital.Annual meeting of the Japanese Circulation Society Kyoto, 2010
  55. Omata F, Deshpande G, Takahashi O, Fujita Y, Masuda K. Association between colorectal adenoma and smoking: Meta-analysis. The 96th Annual Meeting of the Japanese Society of Gastroenterology Japan. Niigata 2010
  56. Omata F, Itoh Y, Yasuda S. The july is in: H. pylori infection is not associated with atherosclerosis. Digestive Disease Week. New Orleans 2010
  57. Omata F, Deshpande G, Takahashi O, Masuda K, Fujita Y, Mine T, Fukui T. The association between colorectal adenoma and smoking: A systematic review and meta-analysis using full colonoscopy. Digestive Disease Week. New Orleans 2010
  58. Matsuda M, Omata F, Setoyama T, Suzuki S, Uemura M, Ishii N, Iizuka Y, Fukuda K, Fujita Y. Prognosis of hepatocellular carcinoma treated by transcatheter arterial chemoembolization: Risk factors for one-year recurrence and two-year mortality. Digestive Disease Week. New Orleans 2010
  59. Omata F, Itoh M. Association between Helicobacter infection and atherosclerosis. The 16th Annual Meeting of The Japanese Society for Helicobacter Research. Kyoto 2010
  60. Tsuchihashi K, Omata F, Okada S. Association between leukocyte differentials and body mass index, smoking and C reactive protein in healthy individuals. Annual Meeting of Japanese Society of Hematology. Yokohama 2010
  61. Matsuda M, Omata F, Setoyama K, Suzuki S, Uemura M, Ishii N, Iizuka Y, Fukuda K, Fujita Y, Fuwa S, Saisa Y. The prognosis of hepatocellular carcinoma treated by TACE as initial therapy. Digestive Disease Week Japan. Yokohama 2010
  62. Ishii N, Matsuda M, Omata F, Setoyama T, Suzuki S, Uemura, Iizuka Y, Fukuda K, Fujita Y. Endoscopic clipping for colonic diverticular hemorrhage: Assessment of clinical outcome and therapeutic limitations. European DDW. Barcelona 2010
  63. Nomura A, Nagashima M, Shirai S, Yokoi H, Iwabuchi M, Nosaka H, Omata F, Nobuyoshi M. Usefulness of the SYNTAX Score for Predicting Long-term Outcomes after PCI with Bare Metal Stent for Unprotected Left Main Coronary Artery Disease. Annual meeting of The Japanese Circulation Society. Yokohama 2011
  64. Omata F. Deshpande G, Ohde S, Mine T, Fukui T. The association between colorectal adenoma and obesity: A systematic review and meta-analysis using full colonoscopy DDW. Chicago 2011
  65. Omata F, Shimbo T. Cost-effective analysis of diagnostic procedure for H. pylori during esophagogastroduodenoscopy in patients with peptic ulcer disease. The 17th Annual Meeting of The Japanese Society for Helicobacter Research. Toyama 2011
  66. Ohde S, Takahashi O, Soejima K, Ishida Y, Omata F, Fukui T. The support for resident’s clinical study in St. Luke’s International Hospital. The 43rd Annual Meeting of The Japan Society for Medical Education. in Hiroshima 2011
  67. Kobayashi D, Omata F, Masuda K, Fujita Y. The effectiveness of chromoendoscopy or image enhanced endoscopy for the purpose of surveillance for colorectal neoplasms in the patients with ulcerative colitis. The 81th Annual Meeting of the Japanese Society of Gastroenterological endoscopy. Nagoya 2011
  68. Matsuda M, Omata F, Suzuki S, Uemura M, Ishii N, Iizuka Y, Fukuda K, Fujita Y. Risk factor of hypotension during emergency EGD for upper gastrointestinal bleeding. The 82nd Annual meeting of the Japanese Society of Gastroenterological Endoscopy. Fukuoka 2011
  69. Matsuda M, Omata F, Fujita Y. Midazolam as a risk factor for hemodynamic instability during emergency EGD for upper gastrointestinal bleeding. Annual meeting of ACG. Washington DC 2011
  70. Omata F, Deshpande G, Ohde S, Fukui T. The association between obesity and colorectal adenoma. Annual meeting of Japanese Society of Internal Medicine. Kyoto 2012
  71. Matsuda M, Omata F, et al. Meteorological factor for Upper GI bleeding. The 98th Annual Meeting of the Japanese Society of Gastroenterology Japan. Tokyo 2012
  72. Matsuda M, Omata F, et al. Risk factor for hypoxia during emergency EGD for upper gastrointestinal bleeding. The 83th Annual Meeting of the Japanese Society of Gastroenterological endoscopy. Tokyo 2012
  73. Omata F, et al. The efficacy of image enhanced endoscopy including chromoendoscopy or cap attachment during colonoscopy for adenoma detection rate; A systematic review and meta-analysis. DDW. San Diego 2012
  74. Mizuno S, Omata F, Sakaki N, et al. Change of eradication rate of Helicobacter pylori in therapy consisted of PPI+AMPC+CAM. The 18th Annual Meeting of The Japanese Society for Helicobacter Research. Okayama 2012
  75. Asaoka D, Takahashi S, Omata F, Takeuchi Y, et al. Study of the second-line eradication for Helicobacter pylori infection. The 18th Annual Meeting of The Japanese Society for Helicobacter Research. Okayama 2012
  76. Yamauchi H, Omata F, et al. Risk Factors for Loco-regional Recurrence After Nipple-sparing Mastectomy for Breast Cancer. 32nd Congress of the European Society of Surgical Oncology. Valencia Spain 2012
  77. Nakano K, Matsuda M, Omata F, et al. The 2nd look esophagogastroduodenoscopy in the patients who were successfully treated initially by endoscopy. Japan Digestive Disease Week. Kobe 2012
  78. Komai T, Omata F, et al. Risk factors of rectal ulcer. Japan Digestive Disease Week. Kobe 2012
  79. Ishii N, Hirata N, Omata F, et al. Location in the ascending colon is a predictor for refractory colonic diverticular hemorrhage after endoscopic clipping. Japan Digestive Disease Week. Kobe 2012
  80. Omata F, et al. The Jury Is In: Helicobacter pylori Infection Is Not Associated with Coronary Artery Calcification. 2012 ACG Annual Scientific Meeting. Las Vegas 2012
  81. Watanabe K, Omata F, Furukawa K. Differences of Vancomycin MICs for MRSA Isolates Based upon the study Susceptibility. The 12th meeting of the Asian Society of Clinical Pathology and Laboratory Medicine. Kyoto 2012
  82. Tokunaga K, Omata F et al. The effectiveness of 1st -3rd eradication therapy for H. pylori infection; Multicenter study in Tokyo Metropolitan area. NO9 Gastrointestinal tract association Meeting. Jan, 2013
  83. Aratani S, Omata F, Higuchi T, Okada S, Fukui T. Prognostic factor of adult immune thrombocytopenia. No 110 Annual meeting of Japanese Society of Internal Medicine. Tokyo 2013
  84. Omata F, Kumakura Y, Masuda K, Fukui T. Risk factors for prolonged cecal intubation time during colonoscopy; A prospective time-to-event analysis. DDW. Orland 2013
  85. Itoh M, Omata F, et al. Helicobacter pylori eradication therapy without penicillin. The 19th Annual Meeting of The Japanese Society for Helicobacter Research. Nagasaki 2013
  86. Sasaki H, Omata F, et al. The success rate of the first and second regimen for Helicobacter pylori eradication; Multicenter study in Tokyo Japan. The 19th Annual Meeting of The Japanese Society for Helicobacter Research. Nagasaki 2013
  87. Nagahara A, Omata F, et al. Interval of surveillance esophagogastroduodenoscopy for diagnosing gastric cancer after eradication of Helicobacter pylori. The 19th Annual Meeting of The Japanese Society for Helicobacter Research. Nagasaki 2013
  88. Koyamada R, Omata F, et al. Longitudinal effects of smoking cessation on white blood cell count. The 75th Annual Meeting of the Japanese Society of Hematology. Sapporo 2013
  89. Ozeki R, Omata F, et al. The meaning of prescription support by specialized ward pharmacist in patients with cardiac disease. NO61 Annual meeting of Japan cardiac disease association. Kumamoto 2013
  90. Omata F, Fukui T, et al. Cost-effective analysis of diagnostic test for Helicobacter pylori in case of peptic ulcer disease during esophagogastroduodenoscopy. Annual ACG Meeting. San Diego 2013
  91. Natsumoto B, Omata F, Furukawa K. Lean body mass index is a risk factor for linezolid induced thrombocytopenia. Infectious Disease Week. San Francisco, USA 2013
  92. Ga R, Omata F, et al. One month’s neurological prognostic factor in adult survivor of cardiopulmonary arrest patients. NO41 meeting of Japanese Association for Acute Medicine. Tokyo 2013
  93. Murakami Y, Imamura N, Suzuki S, Yamamoto A, Yoshida M, Yoshino M, Miyamae C, Akiyama J, Okada S, Omata F. The association between stool appearance before colonoscopy and quality of bowel preparation. NO71 Japan Endoscopic Technician Meeting. Tokyo 2013
  94. Omata F, Fujita Y, Masuda K. The efficacy of image enhanced endoscopy including chromoendoscopy or cap attachment during colonoscopy for adenoma detection rate; A systematic review and meta-analysis. The 85th Annual Meeting of the Japanese Society of Gastroenterological endoscopy. Kyoto 2013
  95. Shimamura Y, Omata F, et al. Predictor of the need for endoscopic hemostatic therapy in acute upper gastrointestinal bleeding. DDW. Chicago 2014
  96. Shimamura Y, Omata F, et al. The association between anisakis anchoring site and acute symptoms in gastric anisakiasis. DDW. Chicago 2014
  97. Omata F, et al. Risk factors of hypoxia during conscious sedation for colonoscopy: A prospective time-to-event analysis. DDW. Chicago 2014
  98. Masaoka T, Omata F, et al. Change of H. pylori eradication rate of 1st and 2nd regimen. H. pylori meeting. June, 2014
  99. Tokunaga K, Omata F, et al. The effectiveness of Citafloxacin included regimem as the 3rd regimen for H. pylori infection. H. pylori meeting. June, 2014
  100. Shimamura Y, Omata F, Fujita Y. Predictor of the need for endoscopic hemotstatic therapy in acute upper gastrointestinal bleeding. The 87th Annual Meeting of the Japanese Society of Gastroenterological endoscopy. Fukuoka 2014
  101. Shimamura Y, Omata F, et al. Predictors for symptomatic gastric anisakiasis, JDDW Kobe 2014.
  102. Shimamura Y, Omata F, et al. Case series of refractory upper gastrointestinal bleeding which required interventional radiation therapy. JDDW Kobe 2014
  103. Omata F, et al. Gender difference in reproducibility of quantitative fecal immunochemical test in asymptomatic individuals. ACG Philadelphia 2014
  104. Abe K, Kanekuni S, Omata F, et al. Predictors for patient’s satisfaction undergoing screening EGD. Japan Society of Health Evaluation and Promotion, Toyama 2015
  105. Kaneshita S, Omata F, Okada M, et al. The Association Between Severity of Total Eosinophilic Count and Disease Categories, AAAAI annual meeting 2015, Houston, TX USA.
  106. Kaneshita S, Omata F, Okada M, et al. The Association Between Severity of Total Eosinophilic Count and Disease Categories, No 112 Annual meeting of Japanese Society of Internal Medicine Kyoto, Japan 2015
  107. Shimamura Y, Omata F, et al. Generalizing possibility of endoscopic band ligation for colonic diverticular bleeding. The 88th Annual Meeting of the Japanese Society of Gastroenterological endoscopy. Nagoya 2015
  108. Ego M, Omata F, et al. Predictor of endoscopic hemostatic therapy for very old elderly with acute upper gastrointestinal bleeding. The 88th Annual Meeting of the Japanese Society of Gastroenterological endoscopy. Nagoya 2015
  109. Shimamura Y, Ishii N, Omata F, et al. Feasibility of endoscopic band ligation for colonic diverticular bleeding. DDW DC 2015
  110. Omata F, Tokyo Helicobacter pylori study group. Diagnostic performance of serum Helicobacter pylori IgG antibody, focusing on its cut-off value-Multicenter study in Tokyo Metropolitan Area. The 21st Annual Meeting of The Japanese Society for Helicobacter Research. Kobe 2015
  111. Masaoka T, Omata F, Tokyo Helicobacter pylori study group. Secular changes of the eradication rate of first and second Helicobacter pylori eradication therapy. -Multi center study in Tokyo metropolitan area- follow-up report. The 21st Annual Meeting of The Japanese Society for Helicobacter Research. Kobe 2015
  112. Tokunaga K, Omata F, Tokyo Helicobacter pylori study group. Sitafloxacin based third-line therapy for H. pylori eradication -A multicenter clinical trial in Tokyo metropolitan area–. The 21st Annual Meeting of The Japanese Society for Helicobacter Research. Kobe 2015
  113. Kaneshita S, Omata F et al. Highly elevated rheumatoid factor is a risk factor for abatacept treatment failure in Japanese patients with rheumatoid arthritis. ACR/ARHP Annual Meeting. San Francisco, 2015.
  114. Omata F et al. Diagnostic performance of three endoscopic tests for Helicobacter pylori infection: Systematic review and meta-analysis. ACG Honolulu 2015
  115. Kume E, Omata F et al. The association between meteorological factors and stone-associated pancreatohepatobiliary disease. ACG Honolulu 2015
  116. Mikami A, Natori Y, Omata F, Ishimatsu S. Risk factors for bacteremia in adult febrile patients in emergency settings. Critical Care 2015.
  117. Nakamura K, Omata F et al. Diagnostic yield of EUS-FNA using endoscopist-driven rapid on-site evaluation for gastrointestinal subepithelial tumors. DDW San Diego 2016
  118. Kosugi K, Omata F et al. Effectiveness of chemotherapy with or without radiation therapy for one-year survival in patients with unresectable pancreatic cancer. DDW San Diego 2016
  119. Mori H, Omata F et al. Longitudinal change of 1st and 2nd H. pylori eradication rate; Multicenter study in Tokyo; Vonoprazan effect for eradication rate. NO22 H. pylori meeting. Oita 2016
  120. Itoh Y, Omata F et al. H. pylori eradication therapy without penicillin; Is vonoprazan effective ?. NO22 H. pylori meeting. Oita 2016
  121. Tokunaga K, Omata F et al. The effectiveness of 3rd regimen for H. pylori infection including sitafloxacin; Multicenter study in Tokyo. NO22 H. pylori meeting. Oita 2016
  122. Itoh C, Omata F et al. The application of cell population data for diagnosing sepsis. NO68 Annual meeting of Japanese Society of Laboratory Medicine. Kobe 2016
  123. Kosugi K, Omata F et al. The effect of early palliative care consultation for survival in patients with unresectable pancreatic cancer. ASCO. San Francisco 2016
  124. Fukagawa E, Shiratori Y, Omata F et al. A case of primary intestinal amyloidosis with gastrointestinal hemorrhage and pseudoobstruction. The NO341 Kanto regional meeting of Japanese society of gastroenterology. Tokyo. Sept 24th, 2016
  125. Okamoto T, Omata F et al. A case of duodenal ulcer perforation with percutaneous endoscopic gastrectomy whose preoperative diagnosis was not easy. The NO103 Kanto regional meeting of the Japanese Society of Gastrointestinal Endoscopy. Tokyo Dec 2016.
  126. Honda H, Nakamura K, Omata F et al. A case of rectal cancer associated with mucosal prolapse syndrome who were curatively treated by endoscopic submucosal dissection. The NO103 Kanto regional meeting of the Japanese Society of Gastrointestinal Endoscopy. Tokyo Dec 2016.
  127. Tsuchida Y, Hayashi N, Omata F et al. Clinicopathological predictors for low risk recurrence distinguished by 21-gene recurrence score in estrogen receptor-positive invasive breast cancer patients. Feb, 2017
  128. Omata F, Nakamura K et al. The efficacy of 2nd generation NBI for adenoma detection rate: Systematic review and meta-analysis. NO 103 Annual meeting of Japanese society of gastroenterology. Tokyo, April 2017
  129. Matsuoka M, Murakami Y, Okada S, Nakamura K, Omata F, Ogawa M, Suzuki K. The correlation of ROSE findings between endoscopy nurse and cytopathologist. NO78 Japan Endoscopic Technician Meeting. Tokyo May, 2017
  130. Suzuki M, Sakurai A, Omata F, Furukawa K. Risk factors of Streptococcal Toxic Shock Syndrome in the Patients with Beta Streptococcal Bacteremia. The 27th ECCMID. Vienna 2017.
  131. Ishii N, Omata F, et al. Effectiveness of endoscopic treatments for colonic diverticular bleeding: A systematic review and meta-analysis. DDW. Chicago 2017.
  132. Omata F, et al. Current smoking as a modifiable risk factor for post-colonoscopy colorectal neoplasia. DDW. Chicago 2017.
  133. Omata F, et al. Cost-effective analysis of Helicobacter pylori diagnostic methods in the patients with atrophic gastritis. DDW. Chicago 2017.
  134. Ishii N, Omata F, et al. Endoscopic treatment for colonic diverticular bleeding. The 93th Annual Meeting of the Japanese Society of Gastroenterological endoscopy. Osaka 2017.
  135. Mori H, Omata F, et al. Longitudinal change of 1st and 2nd Helicobacter pylori eradication success rate: Multicenter study in Tokyo. The 23rd Annual meeting of The Japanese Society of H. pylori Research. Hakodate June, 2017.
  136. Nakamura K, Omata F, et al. Predictor of endoscopically diagnosed severe GERD in the patients with progressive systematic sclerosis. NO 59 Annual meeting of Japanese society of gastroenterology. Fukuoka, Oct 2017
  137. Omata F, Nakamura K, Horimatsu T. The efficacy of the 2nd generation NBI for ADR; Systematic review and meta-analysis. ACG Orland 2017.
  138. Tsuchida Y, Hayashi N, Omata F, et al. Prediction model of low risk recurrence distinguished by 21-gene recurrence score in hormone receptor-positive breast cancer: A validation study. Nov 2017.
  139. Omata F. Prevention of colorectal cancer and its issue. The 50th Kanagawa gastroenterological meeting on 12/15/2017.
  140. Omata F, Deshpande GA, Kumakura Y, Masuda K. Effectiveness of scopolamine for detecting gastric cancer in screening esophagogastroduodenoscopy: Propensity score matched study. DDW D. C. 2018.
  141. Mori H, Suzuki H, Omata F, et al. Current status of first and second Helicobacter pylori eradication therapy in metropolitan area. The 24rd Annual meeting of The Japanese Society of H. pylori Research. Oita June, 2018.
  142. Omata F, et al. Validation study of U. S. guideline of surveillance colonoscopy for colorectal cancer using Asian population. ACG Philadelphia 2018.
  143. Yamaguchi K, Murakami Y, Atarashi H, Kubota C, Shito N, Kashiwagi E, Imamura A, Matsuoka M, Otani H, Tsubouchi S, Furuya T, Takeuchi K, Akiyama J, Okada S, Omata F. Longitudinal analysis of patients with poor preparation; Using Boston Bowel Preparation Scale, NO81 Japan Endoscopic Technician Meeting. Kyoto Nov, 2018
  144. Omata F, et al. Effectiveness of scopolamine for detecting gastric cancer in screening esophagogastroduodenoscopy. JDDW Kobe 2018.
  145. Omata F, et al. Risk factors for metachronous advanced adenoma after screening or diagnostic colonoscopy eight years’ follow-up study using Asian population. DDW San Diego, 2019.
  146. Mori H, Suzuki H, Omata F, et al. The 1st and 2nd Helicobacter pylori eradication therapy in Tokyo Metropolitan area; Validity of urea breath test in elder people to assess successful eradication. The 25th Annual meeting of The Japanese Society of H. pylori Research. Nagoya June, 2019.
  147. Omata F, et al. The association between Helicobacter pylori infection and metachronous advanced adenoma; eight years’ follow-up study. ACG San Antonio, 2019.
  148. Omata F, et al. The utility of quantitative immunochemical test for colorectal tumor and prediction model using other explanatory variables. JDDW Kobe, 2019.
  149. Imamura N, Ishii N, Omata F, Nagata N, Kaise M. High volumes of emergency medical services may not improve clinical outcomes in acute lower gastrointestinal bleeding: A Matched case-control study using propensity score. DDW DC, 2021
  150. Omata F, Yanaka I, Matoba K, Ohmuro A, Rai F, Takashima M, Kato A, Masuda K, Kumakura Y. The association between upper gastrointestinal neoplasia detection rate and endoscopist biopsy rate in screening esophagogastoroduodenoscopy. The 101Annual Meeting of the Japanese Society of Gastroenterological endoscopy. Hiroshima 2021.
  151. Sasaki J, Kawakami K, Mori H, Shimada H, Masaoka T, Tokunaga K, Mizuno Y, Kurihara N, Suzuki M, Nagahara A, Suzuki H, Omata F, Kawai T, Itoh M, Kawamura H, Ohkusa T, Sakaki H, Takahashi S. Longitudinal change of success rate of 1st and 2nd H. pylori eradication therapy. The 27thAnnual meeting of The Japanese Society of H. pylori Research. Tokyo September, 2021
  152. Ikeya T, Shiratori Y, Ishii N, Takasu A, Yamamoto K, Omata F, Nagata N, Kaise M. Role of urgent contrast-enhaced computed tomography for acute lower gastrointestinal bleeding before colonoscopy and evaluation of predictors for extravasation positive sign from Japanese multicenter study (CODE BLUE J- study). UEGW. Virtual.
  153. Konai M, Ishii N, Shiratori Y, Omata F, Mizuno Y, Jinushi R, Arai Y, Yano T, Maekawa H. Comparison of gastric cancer screening methods using intervention decision matrix. JDDW Kobe, 2021
  154. Omata F, Hayashi K. Prediction model for colorectal adenoma using quantitative fecal occult blood test; Validation study. DDW Chicago, 2023

教育目的の論文

  1. Omata F, Ueno F. Acute gastroenteritis. Medicina. 1992; 29:610-11 (April issue)
  2. Ueno F, Omata F. Gastrointestinal injury from medications used in critical care. Current opinion in critical care. 1996; 2:161-4.
  3. Omata F. Emergency in inflammatory bowel disease. Medicina. 1998; 35:318-9 (Oct issue)
  4. Omata F. How to find the evidence regarding the disorders in gastroenterology. EBM Journal. 2002.
  5. Omata F. Overuse of stimulant laxatives and their dependency. Medicina 2006; 43:2044-5 (Dec issue)
  6. Omata F. Advanced endoscopy fellow. Endoscopia Digestiva. 2006; 18.
  7. Omata F. Master book of clinical study, 2007.
  8. Fukui T, Yamashita H, Kamohara S, Kawashima A, Shirakawa T, Tokuda Y, Takahashi O, Omata F, Ohde S, Takeyauchi K, Tsuruoka H. Safety and effectiveness of complementary and alternative medicine, Hospital 2009; 68:898-902.
  9. Omata F. Hematochezia and positive fecal occult blood test. Resident Note, 2011;13:194-9.
  10. Omata F. The importance of pretest probability and posttest probability, Medicina 2011; 48:1522-4.
  11. Omata F. Jaundice, Today’s Clinical Support (http://clinicalsup.jp/), Elsevior Japan.
  12. Omata F. How to make prediction rule, JIM 2012; 22: 421-5.
  13. Omata F. Anti-cholinergic drug, Medicina 2012; 49: 168-71.
  14. Omata F. Abdominal mass, Medicina 2016; 53: 337-40.
  15. Omata F. Acute diarrhea, Medicina 2017; 54: 898-901.
  16. Omata F. Hematochezia and positive fecal occult blood test. Resident Note, 2017.
  17. Okamoto T, Omata F. Constipation in elderly people, Adult disease and life style related disease 2017; 47: 103-6.