Conference Activities & Talks -

Division display >> ／  All the affair displays  1 - 61 of about 61

  1. T. Fujii , S. Hibiya , H. Shimizu , A. Kawamoto , K. Takenaka , E. Saito , M. Nagahori , K. Ohtsuka , R. Okamoto. DUAL THERAPY WITH CAROTEGRAST (AJM300: ORAL α4 INTEGRIN ANTAGONIST) AND BIOLOGICS FOR REFRACTORY ULCERATIVE COLITIS. UEGW2023 2023.10.15 Copenhagen_Denmark

  2. A. Kawamoto, K. Takenaka, S. Hibiya, Y. Kitazume, K. Ito, H. Shimizu, T. Fujii, E. Saito, K. Ohtsuka, R. Okamoto. COMBINING LEUCINE-RICH ALPHA-2 GLYCOPROTEIN AND FAECAL BIOMARKERS FOR ACCURATE MONITORING OF SMALL BOWEL ACTIVITY IN CROHN’S DISEASE. UEGW2023 2023.10.14 Copenhagen_Denmark

  3. Shuij Hibiya, Takashi Fujii, Toshimitsu Fujii, Kazuo Ohtsuka, Ryuichi Okamoto. Severe COVID-19 is associated with risk of lower gastrointestinal bleeding. UEGW2023 2023.10.14 Copenhagen_Denmark

  4. Kazuo Ohtsuka. Endoscopic and imaging diagnosis and assessment of inflammatory bowel disease. 7th TASSID TSIBD Joint Symposium 2023.08.05 Tainan_Taiwan

  5. Kazuo Ohtsuka, Kento Takenaka, Ryuichi Okamoto. Cutting-edge of clinical practice in SBE. The 105th Congress of the Japan Gastroenterological Endoscopy Society 2023.05.26 Tokyo_Japan

  6. Shuji Hibiya, Kazuo Ohtsuka, Ryuichi Okamoto. Association between mucosal healing and surgery risk after endoscopic balloon dilatation for small intestinal stricture of Crohn's disease. JDDW2021 2021.11.06 神戸コンベンションセンター(兵庫)

  7. Kento Takenaka, Kazuo Ohtsuka, Ryuichi Okamoto. Balloon assisted enteroscopy and Magnetic resonance enterograpy for Small bowel Crohn’s disease. JDDW2021 2021.11.06

  8. 土屋輝一郎、長堀正和、日比谷秀爾、竹中健人、河本亜美、清水寛路、藤井俊光、齊藤詠子、大塚和朗、渡辺　守、岡本隆一 . 【誌面発表】COVID-19蔓延下におけるスマートデバイスを用いたIBD病診連携に関する研究. 厚生労働科学研究費 難治性疾患政策研究事業 「難治性炎症性腸管障害に関する調査研究」令和3年度 第1回総会 2021.07.15 Web開催

  9. Takashi Nagaishi, Daiki Yamada, Naoya Tsugawa, Taro Watabe, Eiko Saito, Masayoshi Fukuda, Ayako Arai, Kazuo Ohtsuka, Mamoru Watanabe. A case of villous atrophy with CCR4+ T cell infiltration in the small intestine.. UEGW2020 2020.10.10 Web開催

  10. Toshimitsu Fujii, Shuji Hibiya, Chiaki Maeyashiki, Eiko Saito, Kento Takenaka, Maiko Motobayashi, Hiromichi Shimizu, Masakazu Nagahori, Kazuo Ohtsuka, Masayuki Kurosaki, Tsunehito Yauchi, Mamoru Watanabe. Intolerance to 5-aminosalicylate is a risk of poor prognosis in Ulcerative colitis patients.. ECCO2020 2020.02.14 Vienna（Austria）

  11. Kento Takenaka, Kazuo Ohtsuka, Mamoru Watanabe. Small bowel endoscopic healing of Crohn’s disease treated with anti-TNF antibodies. JDDW2019 2019.11.21

  12. Kento Takenaka, Kazuo Ohtsuka, Toshimitsu Fujii, Kohei Suzuki, Hiromichi Shimizu, Maiko Motobayashi, Shuji Hibiya, Eiko Saito, Masakazu Nagahori, Mamoru Watanabe. Small bowel endoscopic healing of Crohn’s disease treated with anti-TNF antibodies. The 7th Annual Meeting of Asian Organization for Crohn's and Colitis (AOCC 2019) 2019.06.15 台北

  13. Eiko Saito, Kohei Suzuki, Shuuji Hibiya, Maiko Motobayashi, Kento Takenaka, Nobukatsu Horita, Hiromichi Shimizu, Michio Onizawa, Toshimitsu Fujii, Masakazu Nagahori, Kazuo Ohtsuka, Mamoru Watanabe. The clinical efficacy of ustekinumab (UST) in patients with Crohn’s disease (CD). AOCC2019 2019.06.15 台北

  14. Kawamoto A, Nagata S, Anzai S, Takahashi J, Kawai M, Hama M, Nogawa D, Yamamoto K, Kuno R, Suzuki K, Shimizu H, Hiraguri Y, Yui S, Oshima S, Tsuchiya K, Nakamura T, Ohtsuka K, Kitagawa M, Okamoto R, Watanabe M. Synergy of Notch signalling and TNF-α in the inflamed intestinal epithelia of IBD patients leads to up-regulation of UBD, a ubiquitin-like protein. ECCO2019 2019.03.08 Copenhagen（Denmark）

  15. Suzuki K, Shimizu H, Kawai M, Takahashi J, Anzai S, Kawamoto A, Nagata S, Hiraguri Y, Yui S, Tsuchiya K, Nakamura T, Ohtsuka K, Okamoto R, Watanabe M . UC-related and segment-specific properties of patientderived colonic organoids. ECCO2019 2019.03.07 Copenhagen（Denmark）

  16. 齊藤詠子、秋山慎太郎、鈴木康平、本林麻衣子、竹中健人、清水寛路、鬼澤道夫、藤井俊光、長堀正和、大塚和朗、渡辺　守. クローン病における抗TNF-α抗体二次無効時のウステキヌマブの治療成績について. 第9回日本炎症性腸疾患学会学術集会 2018.11.22 メルパルク京都（京都府京都市）

  17. Kazuo Ohtsuka . State of the art for single balloon enteroscopy; Secrets of troubleshooting during insertion and therapeutic management. The6th GSTEC2018 2018.10.13 Seoul (Korea)

  18. Suzuki K, Takahashi J, Hiraguri Y, Yui S, Shimizu H, Tsuchiya K, Nakamura T, Ohtsuka K, Okamoto R, Watanabe M. . Crohn’s disease patient-derived small intestinal organoids reveal diseasestatus related modification of stem cell properties.. 5th TERMIS World Congress 2018 2018.09.07 Kyoto（JAPAN）

  19. Takenaka K, Ohtsuka K, Fujii T, Nagahori M, Saito E, Motobayashi M, Suzuki K, Watanabe M. Small bowel mucosal healing of Crohn’s disease treated with anti-TNF antibodies. FALKシンポジウム 2018.09.07 京都ホテルオークラ（京都府京都市）

  20. Suzuki K, Murano T, Hiraguri Y, Takahashi J, Shimizu H,Anzai S, Kuwabara K, Kawamoto A, Ishibashi F, Yui S, Tsuchiya K, Nakamura T, Ohtsuka K, Watanabe M, Okamoto R... Crohn’s disease patient-derived small intestinal organoids reveal disease-status related modification of stem cell properties.. 5th TERMIS World Congress 2018 2018.09.06 Kyoto（JAPAN）

  21. Kazuo Ohtsuka. Immunologocal Implication in the Development of IBD Medications. TASSID 3rd Academic Meeting of 2018 2018.09.01 Taipei（Taiwan）

  22. Saito　E, Suzuki K, Shimizu H, Motobayashi M, Takenaka K, Onizawa M, Fujii T, Nagahori M, Ohtsuka K, Watanabe M. The clinical efficacy of switching cases between Infliximab(IFX) andAdalimumab(ADA) in patients with ulcerative colitis. AOCC2018 2018.06.22 Shanghai

  23. Suzuki K, Kuwabara K, Takahashi J, Anzai S, Kuno R, Kawamoto A, Ishibashi F, Nagata S, Hiraguri Y, Yui S, Tsuchiya K, Nakamura T, Ohtsuka K, Okamoto R, Watanabe M.. Single-cell level analysis of organoids derived from CD patients reveals disease-status related modifications of small intestinal stem cells. DDW2018 2018.06.04 Washington D.C (USA）

  24. Ohtsuka K, Takenaka K, Suzuki K, Fujii T, Nagahori M, Matsuoka K, Saito E, Katsukura N, Fukuda M, Araki A, Watanabe M. Usefulness of single-balloon enteroscopy: from a single center 990 experiences. DDW2018 2018.06.03 Washington D.C (USA）

  25. Ohtsuka K. Live demonstrations. (Single-balloon Endoscopy). Endoscopy 2018 2018.04.08 Kuala Lumpur（Malaysia）

  26. Ohtsuka K. Live demonstrations. (Single-balloon Endoscopy). Endoscopy 2018 2018.04.07 Kuala Lumpur（Malaysia）

  27. Ohtsuka K. Balloon-assisted Endoscopy. Tips and Trick. Endoscopy 2018 2018.04.07 Kuala Lumpur（Malaysia）

  28. Ohtsuka K. Tips of Enteroscopy -Single Balloon Endoscopy-. Taiwan Association for the Study of Small Intestinal Diseases (TASSID) Annual Meeting 2018 2018.03.25 Taipei（Taiwan）

  29. Ohtsuka K. Small Bowel Bleeding-Japan experience. Taiwan Association for the Study of Small Intestinal Diseases (TASSID) Annual Meeting 2018 2018.03.24 Taipei（Taiwan）

  30. T. Fujii Y. Kitazume K. Takenaka M. Kimura E. Saito K. Matsuoka M. Nagahori K. Ohtsuka M. Watanabe. Simplified MR enterocolonography Classification Based on Endoscopic Findings for Activity Assessment of Crohn’s Disease. UEGW2017 (欧州消化器病学会週間2017） 2017.11.01 Barcelona(Spain)

  31. Takenaka K, Ohtsuka K, Kitazume Y, Fujii T, Matsuoka K, Kimura M, Nagahori M, Watanabe M. Utility of Magnetic Resonance Evaluation for Small Bowel Endoscopic Healing in Patients with Crohn’s Disease. UEGW2017 (欧州消化器病学会週間2017） 2017.10.30 Barcelona(Spain)

  32. Takenaka K, Ohtsuka K, Kitazume Y, Matsuoka K, Fujii T, Nagahori M, Kimura M, Watanabe M.. Magnetic resonance enterography for small bowel mucosal healing in patients with Crohn’s disease.. APDW2017 2017.09.23 Hong Kong Convention and Exhibition Centre（香港）

  33. Motobayashi M, Matsuoka K, Iwamoto F, Takenaka K, Fujii T, Nagahori M, Enomoto N, Ohtsuka K, Watanabe M. Correlation of Fecal Calprotectin Levels with Endoscopic Severity Evaluated with Balloon-assisted Endoscopy in Patients with Crohn’s Disease. . AOCC2017 2017.06.17 Seoul, Korea

  34. Fujii T, Kitazume Y, Takenaka K, Kimura M, Matsuoka K, Nagahori M, Ohtsuka K, Watanabe M. The 5-point MR enterocolonography classification based on endoscopic findings for activity assessment of Crohn's disease. AOCC2017 2017.06.16 Seoul, Korea

  35. Kento Takenaka, Kazuo Ohtsuka, Yoshio Kitazume, Katsuyoshi Matsuoka, Toshimitsu Fujii, Masakazu Nagahori, Maiko Kimura, Mamoru Watanabe. Magnetic resonance evaluation for small bowel endoscopic remission in patients with crohn’s disease.. AOCC2017 2017.06.15 Seoul, Korea

  36. 竹中健人、大塚和朗. 腹痛および皮疹を主訴に受診し バルーン内視鏡にて回腸病変を 認めた一例. 第103回日本紹介内視鏡学会関東支部例会 2016.12.18 シェーンバッハ・サボー（東京都千代田区）

  37. Takenaka K, Ohtsuka K, Watanabe M. Magnetic resonance evaluation for small bowel strictures of Crohn’s disease: comparison with balloon enteroscopy. APDW2016 2016.11.05 kobe convention center

  38. Toshimitsu Fujii, Kento Takenaka, Maiko Kimura, Katsuyoshi Matsuoka, Masakazu Nagahori, Kazuo Ohtsuka, Mamoru Watanabe. MR enterocolonography evaluation for small bowel strictures in patients with Crohn’s disease: comparison with balloon enteroscopy. UEGW2016 2016.10.18 VIENNA

  39. Fujii T, Takenaka K, Kitazume Y, Kimura M, Matsuoka K, Nagahori M, Ohtsuka K, Watanabe M. MR enterocolonography can detect small bowel strictures and predict surgery in patients with Crohn’s disease: Comparison with balloon enteroscopy. APDW2016 2016.10.03 KOBE

  40. Ohtsuka K, Takenaka K, Fujii T, Matsuoka K, Nagahori M, Kimura M, Fukuda M, Katsukura N, Watanabe M. Mucosal healing improves prognosis of endoscopic balloon dilatatiion for small intestinal strictures of Crohn's disease. AOCC2016 2016.07.09 Kyoto

  41. Toshimitsu Fujii, Kento Takenaka, Maiko Kimura, Katsuyoshi Matsuoka, Masakazu Nagahori, Kazuo Ohtsuka, Mamoru Watanabe. The evaluation for small bowel strictures on MR enterocolonography in patients with Crohn’s disease. AOCC2016 2016.07.08 Kyoto

  42. Kazuo Ohtsuka, Kento Takenaka, Toshimitsu Fujii, Katsuyoshi Matsuoka, Masakazu Nagahori, Maiko Kimura, Masayoshi Fukuda, Nobuhiro Katsukura, Mamoru Watanabe. Mucosal healing improves prognosis of endoscopic balloon dilatation for small intestinal strictures of Crohn’s disease. AOCC2016 2016.07.07 Kyoto

  43. Kento Takenaka, Kazuo Ohtsuka, Yoshio Kitazume, Masakazu Nagahori, Katsuyoshi Matsuoka, Toshimitsu Fujii, Maiko Kimura, Tomoyuki Fujioka, Mamoru Watanabe. Enteroscopic and MR findings of small bowel in Crohn’s disease. AOCC2016 2016.07.07 Kyoto

  44. Maiko Kimura, Katsuyoshi Matsuoka, Eiko Saito, Toshimitsu Fujii, Kento Takenaka, Masakazu Nagahori, Kazuo Ohtsuka, Mamoru Watanabe. Salvage therapy for corticosteroid-refractory ulcerative colitis patients.. AOCC2016 2016.07.07 Kyoto

  45. Satoru Fujii, Kohei Suzuki, Ami Kawamoto, Fumiaki Ishibashi, Toru Nakata, Go Ito, Hiromichi Shimizu, Tomohiro Mizutani, Kiichiro Tsuchiya, Tetsuya Nakamura, Kazuo Ohtsuka, Ryuichi Okamoto, Mamoru Watanabe. In Vitro organoid model reveals PGF2 as a Robust Mediator of chloride & water secretion bt human intestinal epithelial cells. DDW2016 2016.05.23 San Diego

  46. Kazuo Ohtsuka, Kento Takenaka, Toshimitsu Fujii, Katsuyoshi Matsuoka, Masakazu Nagahori, Kengo Nozaki, Masayoshi Fukuda, Mamoru Watanabe. Mucosal Healing is imoietant for better outcomes of endosdopic balloon dilatation for smakk intestinal stricture of crohn's disease. DDW2016 2016.05.23 San Diego

  47. Kohei Suzuki, Satoru Fujii, Ami Kawamoto, Fumiaki Ishibashi, Toru Nakata, Go Ito, Hiromichi Shimizu, Kiichiro Tsuchiya, Tetsuya Nakamura, Kazuo Otsuka, Ryuichi Okamoto, Mamoru Watanabe. Single-cell level analysis reveals hoterogeneous expression of stem-cell specific genes in human small intestinal organoids. DDW2016 2016.05.21 San Diego

  48. Kazuo Ohtsuka, Kento Takenaka, Mamoru Watanabe. 【Session 3: Imaging for follow up of IBD】Assessment of small intestinal lesions of Crohn’s disease. 第102回日本消化器病学会総会_The 5th International Forum 2016.04.21 Tokyo

  49. Takenaka K, Ohtsuka K, Kitazume Y, Nagahori M, Matsuoka K, Fujii T, Kimura M, Fujioka T, Watanabe M. Enteroscopic and MR findings of small intestine in Crohn’s disease.. 7th APTC 2016.04.20 京王プラザホテル（新宿区）

  50. K. Matsuoka, E. Saito, T. Fujii, K. Takenaka, F. Iwamoto, M. Kimura, M. Nagahori, K. Ohtsuka, M. Watanabe. Efficacy and safety of sequential rescue therapy with infliximab and tacrolimus in patients with corticosteroid-refractory Ulcerative Colitis. 11th Congress of ECCO - European Crohn‘s and Colitis Organisation 2016.03.19 Amsterdam

  51. Suzuki K,Fujii S,Nakata T,Kawamoto A,Ishibashi F,Segawa-Ohashi S,Mizutani T,Tsuchiya K,Ohtsuka K,Nakamura T,Okamoto R,Watanabe M.. Enrichment of Intestinal Stem Cells by the 3D-Culture of IBD Patient Derived Intestinal epithelium. AOCC2015 2015.06.19 Beijing

  52. Fujii T,Takenaka K,Kitazume Y,Saito E,Matsuoka K,Nagahori M,Ohtsuka K,Watanabe M.. Modifying and validating endoscopic and magnetic resonance scoring systems for the deep small intestine in Crohn’s disease.. AOCC2015 2015.06.19 Beijing

  53. Ryohei Hayashi, Kiichiro Tsuchiya, Shuji Hibiya, Keita Fukushima, Nobukatsu Horita, Eriko Okada, Akihiro Araki, Kazuo Ohtsuka, Mamoru Watanabe. Human Alpha-Defensin 6 Regulated by the Cooperation of Beta-Catenin and ATOH1, Might Be the Pathogenesis of Crohn's Disease. DDW 2015 2015.05.18 Washington, D.C.

  54. Toshimitsu Fujii, Kento Takenaka, Eiko Saito, Katsuyoshi Matsuoka, Masakazu Nagahori, Kazuo Ohtsuka, Mamoru Watanabe. Modifying and Validating Endoscopic and Magnetic Resonance Scoring Systems for the Deep Small Intestine in Crohn's Disease. DDW 2015 2015.05.17 Washington, D.C.

  55. Matsuoka K, Saito E, Fujii T, Takenaka K, Nagahori M, Ohtsuka K, Watanabe M. The Ulcerative Colitis Endscopic Index of Severity (UCEIS) is useful to evaluate endoscopic improvement and to predict medium-term prognosis in Ulcerative Colitis patients treated with tacrolimus. 10th Congress of ECCO - Inflammatory Bowel Diseases 2015 2015.02.20 Barcelona

  56. Hayashi R, Tsuchiya K, Hibiya S, Fukushima K, Horita N, Okada E, Araki A, Ohtsuka K, Watanabe M. Human alpha-defensin 6 regulated by both Atoh1 and beta-catenin might be the pathogenesis of Japanese Crohn's Disease. 10th Congress of ECCO - Inflammatory Bowel Diseases 2015 2015.02.20 Barcelona

  57. Takenaka K, Ohtsuka K, Watanabe M. Enteroscopic and MR findings of small intestine in Crohn's disease. Japan Digesive Disease Weeks 2014 2014.10.26 Kobe

  58. Takenaka K, Ohtsuka K, Kitazume Y, Nagahori M, Fujii T, Saito E, Watanabe M. Magnetic resonance enterocolonography can detect small intestinal active lesions in crohn's disease;comparison with balloon enteroscopy. UEGW2014 2014.10.20 Vienna

  59. Fujii T, Naganuma M, Kitazume Y, Takenaka K, Nagahori M, Saito E, Ohtsuka K, Watanabe M. MR enterocolonography can identify patients who need additional treatment by predicting recurrence, hospitalization and surgey of Crohn's disease patients in remission. UEGW2014 2014.10.20 Vienna

  60. Takenaka K, Otsuka K, Nagahori M, Fujii T, Saito E, Watanabe M. Comparison of Magnetic Resonance and Balloon Enteroscopic Examination of Deep Small Intestine in Patients with Crohn's Disease. The 2nd Annual Meeting of AOCC 2014.06.20 Seoul

  61. Takenaka K, Otsuka K, Nagahori M, Fujii T, Saito E, Watanabe M. Comparing MR enterocolonography to enteroscopy in Crohn's disease, especially focusing on small intestinal findings. 9th congress of European Crohn's and Colitis Organisation 2014.02.20 Copenhagen

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