SpecialtyDigestive Diseases

Yuto Shimamura, M.D.

Assistant Professor
Showa University Koto Toyosu Hospital Digestive Diseases Center

E-MAIL ADDRESS: yutoshimamura1219@gmail.com

Education & Professional Activities
Education
April 2003 - March 2009 College/Medical School: SHINSHU UNIVERSITY SCHOOL OF MEDICINE, Nagano, Japan
Degree: M.D.

Postgraduate Training
July 2017 - Present SHOWA UNIVERSITY KOTO TOYOSU HOSPITAL, Tokyo, Japan
Digestive diseases center
Assistant Professor
July 2016 - June 2017 ST. MICHAEL’S HOSPITAL, University of Toronto, Toronto, Canada
Advanced Therapeutic Endoscopy Senior Clinical Fellow
July 2015 - June 2016 ST. MICHAEL’S HOSPITAL, University of Toronto, Toronto, Canada
Advanced Therapeutic Endoscopy Clinical Fellow
October 2012 - July 2015 ST. LUKE’S INTERNATIONAL HOSPITAL, Tokyo, Japan
Gastroenterology Senior Resident (Therapeutic endoscopy)
April 2012 - October 2012 ST. LUKE’S INTERNATIONAL HOSPITAL, Tokyo, Japan
Internal Medicine Senior Resident
April 2011 - March 2012 ST. LUKE’S INTERNATIONAL HOSPITAL, Tokyo, Japan
Internal Medicine Senior Resident
April 2009 - March 2011 ST. LUKE’S INTERNATIONAL HOSPITAL, Tokyo, Japan
Junior Resident
Completed all required rotation of internal and surgical medicine.

Credentials
Japanese Medical License (Physician), Registration No. 483200
Board Certified Member, the Japanese Society of Internal Medicine
Board Certified Fellow of the Japanese Society of Gastroenterology
Board Certified Member of the Japanese Society for Hepatology
Board Certified Fellow of the Japan Gastroenterological Endoscopy Society

Awards
2021 Digestive Endoscopy (DEN) Best Reviewer Award
2020 Digestive Endoscopy (DEN) Best Reviewer Award
2020 ENDO World Endoscopy Organization JGES Best Abstract Award
2019 Japan Digestive Disease Week Young Investigator’s Award
2018 Japan Digestive Disease Week Young Investigator’s Award
2018 JSGE Best Review Award
2016 WCPGHN Young Investigator’s Travel Grant

Professional Affiliation
Board Certified Member of the Japanese Society of Internal Medicine
Board Certified Member of the Japanese Society of Gastroenterology
Board Certified Member of the Japan Gastroenterological Endoscopy Society
Member: The Japanese Society for Hepatology
Member: American Society of Gastrointestinal Endoscopy
Member: American Gastroenterological Association

Research & Publications

Publications
1. Shimamura Y, Inoue H. One step forward in resolving the controversies around post-peroral endoscopic myotomy gastroesophageal reflux. Dig Endosc. 2022 Mar 2.

2. Shimamura Y, Sato H, Onimaru M, Tanaka S, Shiwaku H, Shiota J, Sato C, Ogawa R, Yokomichi H, Inoue H. Per-oral endoscopic myotomy in patients with antithrombotic agents: a large-scale multicenter study in Japan. J Gastroenterol Hepatol. 2021 Oct 16.

3. Shimamura Y, Fujiyoshi MRA, Fujiyoshi Y, Nishikawa Y, Ono M, Owada K, Ikeda H, Onimaru M, Inoue H. Per-oral endoscopic myotomy as treatment for Killian-Jamieson Diverticulum. Den Open. 2021 May 9.

4. Shimamura Y, Inoue H, Rodriguez de Santiago E, Abad MRA, Fujiyoshi Y, Toshimori A, Tanabe M, Sumi K, Iwaya Y, Ikeda H, Onimaru M, Kushima M, Goda K. Diagnostic yield of fourth-generation endocytoscopy for esophageal squamous lesions using a modified endocytoscopic classification. Dig Endosc. 2021 Nov; 33 (7): 1093-1100.

5. Shimamura Y, Iwaya Y, Kobayashi R, de Santiago ER, Muwanwella N, Raftopoulos S, Mosko JD, May GR, Kandel G, Kortan P, Marcon N, Teshima CW. Clinical and pathological predictors of failure of endoscopic therapy for Barrett's related high-grade dysplasia and early esophageal adenocarcinoma. Surg Endosc. 2021 Oct; 35 (10): 5468-5479.

6. Shimamura Y, Inoue H, de Santiago ER, Abad MRA, Fujiyoshi Y, Toshimori A, Tanabe M, Sumi K, Iwaya Y, Ikeda H, Onimaru M. Characterization of intragastric pressure waveform in Endoscopic Pressure Study Integrated System: a novel diagnostic device for gastroesophageal reflux disease. Dig Endosc. 2021 Jul; 33 (5): 780-787.

7. Shimamura Y, Goda K, Hirooka S, Inoue H. Observation of bilobed nucleus sign by endocytoscopy in eosinophilic esophagitis. Gastrointest Endosc. 2021 Jan; 93 (1): 259-260.

8. Shimamura Y, Inoue H. Anti-reflux mucosectomy (ARMS): Can we do better?”. Dig Endosc. 2020 Jul; 32 (5): 736-738.

9. Shimamura Y, Walsh CM, Cohen S, Aronson M, Tabori U, Kortan PP, Durno CA and the International BMMRD Consortium. Role of video capsule endoscopy in patients with constitutional mismatch repair deficiency (CMMRD) syndrome: report from the International CMMRD Consortium. Endosc Int Open. 2018; 06: E1 - E7.

10. Shimamura Y, Inoue H, Ikeda H, Sumi K, Goda K. Multipoint traction technique in endoscopic submucosal dissection. VideoGIE. 2018 May 2; 3(7): 207-208.

11. Shimamura Y, Akram H, Winer S, Marcon N. Pseudomelanosis Duodeni and Duodenal Polyp. Intern Med. 2018 Apr 1; 57(7): 1049-1050.

12. Shimamura Y, Ikeya T, Marcon N, Mosko JD. Endoscopic diagnosis and treatment of early esophageal squamous neoplasia. World J Gastrointest Endosc. 2017 Sep 16; 9 (9): 438-447.

13. Shimamura Y, Iwaya Y, Goda K, Teshima CW. Endoscopic treatment of Barrett’s esophagus: What can we learn from the Western perspective? Dig Endosc. 2018 Mar; 30 (2): 182-191.

14. Shimamura Y, Honda H, Fukuda K. Is There a Link between Clinical Manifestation of Gastric Anisakiasis and Helicobacter pylori infection? Clin Endosc. 2017 Sep; 50 (5): 510.
15. Shimamura Y, Mosko J, Teshima C, May GR. Endoscopic Ultrasound-Guided Pancreatic Duct Intervention. Clin Endosc. 2017 Mar; 50 (2): 112-116.

16. Shimamura Y, Hwang J, Cirocco M, May G, Mosko J, Teshima C. Efficacy of single-incision needle-knife biopsy for sampling of subepithelial lesions. Endosc Int Open. 2017. Jan; 5(1): E5-E10.

17. Shimamura Y, Muwanwella N, Chandran S, Kandel G, Marcon N. Common Symptoms from an Uncommon Infection: Gastrointestinal Anisakiasis. Can J Gastroenterol Hepatol. 2016; 2016: 5176502.

18. Shimamura Y, Winer S, Marcon N. A Schwannoma of the Distal Esophagus. Clin Gastroenterol Hepatol. 2016 Nov; 14 (11): A19-A20.

19. Shimamura Y, Winer S, Marcon N. A Giant Circumferential Inlet Patch With Acid Secretion Causing Stricture. Clin Gastroenterol Hepatol. 2017 Apr; 15: A22-A23.

20. Shimamura Y, Kandel G, May G. Deflating the Lure of Double-Balloon Enteroscopy. J Clin Gastroenterol. 2016 Sep; 50 (8): 688-689.

21. Shimamura Y, Ishii N, Ego M, Nakano K, Ikeya T, Nakamura K, Takagi K, Fukuda K, Fujita Y. Multiple Acute Infection by Anisakis: A Case Series. Intern Med. 2016; 55 (8): 907-10.

22. Shimamura Y, Nakamura K, Okamoto T, Imamura N, Ishii N, Fujita Y. Familial Occurrence of Enteric Muco-Submucosal Elongated Polyp. ACG Case Rep J. 2016 Jul 26; 3 (4): e87.

23. 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 Feb; 4 (2): 233-7.

24. Shimamura Y, Fujikawa A, Kubota K, Ishii N, Fujita Y, Ohta K. Perforation of the neovagina in male-to-female transsexual: a case report. J Med Case Rep. 2015; Jan 23; 9: 24.

25. Shimamura Y, Nishiyama T, Taketa T, Fujita Y. Acute left-sided appendicitis with intestinal malrotation. J Gastroenterol Hepatol. 2015; 30: 1446.

26. Shimamura Y, Omata F, Nakamura K, Ohigashi S, Suzuki K, Fujita Y. Adult Duodenal Pleomorphic Rhabdomyosarcoma. ACG Case Rep J. 2014 Oct 10; 2 (1): 11-2.

27. Shimamura Y, Nakamura K, Ego M, Omata F. Advanced endoscopic imaging in black esophagus. Can J Gastroenterol Hepatol. 2014; Oct; 28 (9): 471-2.

28. Shimamura Y, Ishii N, Nakano K, Ikeya T, Nakamura K, Takagi K, Fukuda K, Suzuki K, Fujita Y. Repeat endoscopic submucosal dissection for recurrent gastric cancers after endoscopic submucosal dissection. World J Gastrointest Endosc. 2013 Dec 16; 5 (12): 600-4.

29. de Santiago ER, Shimamura Y, Pioche M, Eleftheriadis N, Albéniz E, Bechara R, Yan Chiu PW, Guarner-Argente C, de Tejada AH, Uchima H, Fujiyoshi Y, Ponchon T, González-Gete G, Hew S, Murzi-Pulgar M, Matallana V, Parejo-Carbonell S, Estremera-Arévalo F, Moll F, Onimaru M, Inoue H; Collaborators. Safety and effectiveness of peroral endoscopic myotomy in patients on antiplatelet or anticoagulant therapy: an international multicenter case-control study. Gastrointest Endosc. 2021 Apr; 93 (4): 839-849.

30. Fujiyoshi Y, Shimamura Y, Mosko JD, Inoue H. Endoscopic submucosal dissection using a new super-soft hood and the multipoint traction technique. VideoGIE. 2020 May 10; 5(7): 274-277.

31. Abad MRA, Shimamura Y, Fujiyoshi Y, Seewald S, Inoue H. Endocytoscopy: technology and clinical application in upper gastrointestinal tract. Transl Gastroenterol Hepatol. 2020 Apr 5; 5: 28.

32. Fujiyoshi Y, Shimamura Y, Inoue H. Usefulness of a Newly Developed Distal Attachment: Super Soft Hood (Space Adjuster) in Therapeutic Endoscopy. Dig Endosc. 2020 Mar; 32 (3): e38-e39.

33. Inoue H, Shimamura Y, Rodriguez de Santiago E, Kobayashi Y, Ominami M, Fujiyoshi Y, Sumi K. Ikeda H, Onimaru M, Manolakis A. Diagnostic performance of the endoscopic pressure study integrated system (EPSIS) a novel diagnostic tool for gastroesophageal reflux disease. Endoscopy. 2019 Aug; 51 (8): 759-762.

34. Iwaya Y, Shimamura Y, Goda K, Rodríguez de Santiago E, Coneys JG, Mosko JD, Kandel G, Kortan P, May G, Marcon N, Teshima C. Clinical Characteristics of Young Patients With Early Barrett's Neoplasia. World J Gastroenterol. 2019 Jun 28; 25 (24): 3069-3078.

35. Iwaya Y, Shimamura Y, Mosko JD, Kandel G, Kortan PP, May GR, Marcon NE, Teshima CW. Clinical characteristics may distinguish patients with esophageal adenocarcinoma arising from long- versus short-segment Barrett's esophagus. Dig Liver Dis. 2019 Oct; 51 (10): 1470-1474.

36. Aranda-Hernandez J, Shimamura Y, Grin A, Iwaya Y, Cirocco M, Kandel G, May G, Kortan P, Raftopoulos S, Marcon N. Hot avulsion may be effective as salvage treatment for focal Barrett’s esophagus remaining after endoscopic therapy for dysplasia or early cancer: a preliminary study. Endoscopy. 2018 Jan; 50 (1): 8-13.

37. Jeyalingam T, Shimamura Y, Teshima C. Endoscopic Resolution of Black Esophagus With Treatment of Diabetic Ketoacidosis. Clin Gastroenterol Hepatol. 2018 Jun; 16 (6): e68-e69.

38. Chandran S, Shimamura Y, Teshima C. Novel endoscopic scissors for the treatment of Zenker's diverticulum. Gastrointest Endosc. 2017 May; 85 (5): 1109-1110.

39. Muwanwella N, Shimamura Y, Akram H, Kortan P, Marcon N. Endoscopic diagnosis of gastric anisakiasis and extraction of larvae. Gastrointest Endosc. 2016 Sep; 84 (3): 528.

40. Muwanwella N, Shimamura Y, Marcon N. A Rare Cause of Acute Abdomen. Clin Gastroenterol Hepatol. 2016 Jul; 14 (7): A35-36.

41. Ego M, Shimamura Y, Ishii N. Endoscopic band ligation with double-balloon endoscopy for treatment of jejunal Dieulafoy’s lesion. Dig Endosc. 2015 Jul; 27 (5): 627.

42. Hayashi T, Shimamura Y, Saegusa T, Konishi I. Molecular mechanisms of uterine leiomyosarcomas: involvement of defect in LMP2 expression. Gene Regul Syst Bio. 2008 Jul 22; 2: 297-305.

43. Sato H, Terai S, Shimamura Y, Tanaka S, Shiwaku H, Minami H, Sato C, Ogawa R, Yokomichi H, Inoue H. Achalasia and esophageal cancer: a large database analysis in Japan. J Gastroenterol. 2021 Apr; 56 (4): 360-370.

44. Shiwaku H, Sato H, Shimamura Y, Abe H, Shiota J, Sato C, Ominami M, Sakae H, Hata Y, Fukuda H, Ogawa R, Nakamura J, Tatsuta T, Ikebuchi Y, Yokomichi H, Hasegawa S, Inoue H. Risk factors and long-term course of gastroesophageal reflux disease after peroral endoscopic myotomy: A large-scale multicenter cohort study in Japan. Endoscopy. 2022 Feb 16.

45. Nishikawa Y, Inoue H, Shimamura Y, Abad MRA, Fujiyoshi Y, Owada K, Toshimori A, Tanabe M, Ikeda H, Onimaru M. Simplified endoscopic pressure study integrated system for the diagnosis of gastroesophageal reflux disease. Dig Endosc. 2021 May; 33(4): 663-667.

46. Inoue H, Tanabe M, Shimamura Y, Rodriguez de Santiago E, Fujiyoshi Y, Toshimori A, Abad MRA, Nishikawa Y, Nashida K, Sumi K, Ikeda H, Onimaru M, Uragami N. A novel endoscopic purse-string suture technique, "loop 9", for gastrointestinal defect closure: a pilot study. Endoscopy. 2022 Feb; 54
(2): 158-162.

47. Hashimoto R, Inoue H, Shimamura Y, Sakuraba A, Tomizawa Y. Per oral endoscopic myotomy as salvage therapy in patients with achalasia refractory to endoscopic or surgical therapy is technically feasible and safe: Systematic review and meta-analysis. Dig Endosc. 2020 Nov; 32 (7): 1042-1049.

48. Bechara R, Inoue H, Shimamura Y, Reed D. Gastroesophageal Reflux Disease After Peroral Endoscopic Myotomy: Lest We Forget What We Already Know. Dis Esophagus. 2019 Dec 31; 32 (12): doz 106.

49. Toshimori A, Inoue H, Shimamura Y, Abad MRA, Onimaru M. Peroral endoscopic fundoplication: a brand-new intervention for GERD. VideoGIE. 2020 Apr 29; 5(6): 244-246.

50. Grimes KL, Bechara R, Shimamura Y, Ikeda H, Inoue H. Gastric Myotomy Length Affects Severity but Not Rate of Post-Procedure Reflux: 3-year Follow-Up of a Prospective Randomized Controlled Trial of Double-Scope Per-Oral Endoscopic Myotomy (POEM) for Esophageal Achalasia. Surg Endosc. 2020 Jul; 34 (7): 2963-2968.

51. Inoue H, Ueno A, Shimamura Y, Manolakis A, Sharma A, Kono S, Nishimoto M, Sumi K, Ikeda H, Goda K, Onimaru M, Yamaguchi N, Itoh H. Peroral endoscopic myotomy and fundoplication: a novel NOTES procedure. Endoscopy. 2019 Feb; 51(2): 161-164.

52. Kosugi K, Suzuki S, Shimamura Y. Fistula formation between perianeurysmal hematoma and sigmoid colon: a rare cause of lower gastrointestinal bleeding. Dig Endosc. 2015 Jul; 27 (5): 631-2.

53. Ikeya T, Ishii N, Shimamura Y, Nakano K, Ego M, Nakamura K, Takagi K, Fukuda K, Fujita Y. Endoscopic band ligation for bleeding lesions in the small bowel. World J Gastrointest Endosc. 2014 Oct 16; 6 (10): 488-92.

54. Fujiyoshi MRA, Inoue H, Fujiyoshi Y, Nishikawa Y, Toshimori A, Shimamura Y, Tanabe M, Ikeda H, Onimaru M. Endoscopic Classifications of Early Gastric Cancer: A Literature Review. Cancers (Basel). 2021 Dec 26; 14(1): 100.

55. Toshimori A, Inoue H, Fujiyoshi MRA, Fujiyoshi Y, Nishikawa Y, Tanabe M, Shimamura Y, Ohwada K, Ono M, Ikeda H, Onimaru M. Novel modified side-by-side balloon dilatation method for esophagogastric junction strictures: Single-/double-barrel techniques. Dig Endosc. 2021 Nov 27.

56. Rodríguez de Santiago E, Sanchez-Vegazo CT, Peñas B, Shimamura Y, Tanabe M, Álvarez-Díaz N, Parejo S, Kazuya S, Marcos-Carrasco N, Vazquez-Sequeiros E, Inoue H, Albillos A. Antireflux mucosectomy (ARMS) and antireflux mucosal ablation (ARMA) for gastroesophageal reflux disease: a systematic review and meta-analysis. Endosc Int Open. 2021 Nov 12; 9 (11): E1740-E1751.

57. Kobayashi R, Calo NC, Marcon N, Iwaya Y, Shimamura Y, Honda H, Streutker C, Mosko J, May G, Teshima C. Predictors of recurrence of dysplasia or cancer in patients with dysplastic Barrett's esophagus following complete eradication of dysplasia: a single-center retrospective cohort study. Surg Endosc. 2021 Nov 8.

58. Sato C, Sato H, Kamei T, Shimamura Y, Tanaka S, Shiwaku H, Shiota J, Ogawa R, Yokomichi H. Inoue H. Characteristics of patients with esophageal motility disorders on high-resolution manometry and esophagography-a large database analysis in Japan. Esophagus. 2022 Jan; 19 (1): 182-188.

59. Inoue H, Fujiyoshi MRA, Toshimori A, Fujiyoshi Y, Shimamura Y, Tanabe M, Nishikawa Y, Mochizuki Y, Sakaguchi T, Kimura R, Izawa S, Ikeda H, Onimaru M, Uragami N. Unified magnifying endoscopic classification for esophageal, gastric and colonic lesions: a feasibility pilot study. Endosc Int Open. 2021 Aug 16; 9 (9): E1306-E1314.

60. Fujiyoshi Y, Abad MRA, Kimura R, Shinohara H, Nishikawa Y, Shimamura Y, Ikeda H, Onimaru M, Inoue H. Achalasia with esophageal intramural hematoma treated by per-oral endoscopic myotomy (POEM). Den Open. 2021 October 3.

61. Fujiyoshi Y, Fujiyoshi MRA, Kimura R, Shinohara H, Nishikawa Y, Shimamura Y, Ikeda H, Onimaru M, Inoue H. Treatment of achalasia with peroral endoscopic myotomy in situs inversus totalis. Den Open. 2021 October 3.

62. Ikeda H, Inoue H, Abad MRA, Fujiyoshi Y, Nishikawa Y, Toshimori A, Tanabe M, Shimamura Y, Sumi K, Iwaya Y, Manolakis A, Onimaru M. Diagnosis of congenital esophageal stenosis in adults and treatment with peroral endoscopic myotomy. Ann Gastroenterol. 2021 Jul-Aug; 34 (4): 493-500.

63. Tanaka S, Abe H, Sato H, Shiwaku H, Minami H, Sato C, Ogawa R, Shimamura Y, Yokomichi H, Inoue H. Frequency and clinical characteristics of special types of achalasia in Japan: A large-scale, multicenter database study. J Gastroenterol Hepatol. 2021 Oct; 36 (10): 2828-2833.

64. Onimaru M, Inoue H, Fujiyoshi Y, Abad MRA, Nishikawa Y, Toshimori A, Shimamura Y, Tanabe M, Sumi K, Ikeda H. Long-term clinical results of per-oral endoscopic myotomy (POEM) for achalasia: First report of more than 10-year patient experience as assessed with a questionnaire-based survey. Endosc Int Open. 2021 Mar; 9 (3): E409-E416.

65. Iwaya Y, Inoue H, Rodríguez de Santiago E, Abad MRA, Fujiyoshi Y, Ueno A, Tanabe M, Sumi K, Tomida H, Ominami M, Ikeda H, Onimaru M, Shimamura Y. Endoscopic pressure study integrated system reflects gastroesophageal junction competence in patients with erosive esophagitis and Barrett´s esophagus. Dig Endosc. 2020 Nov; 32 (7): 1050-1056.

66. Fujiyoshi Y, Inoue H, Abad MRA, Rodriguez de Santiago E, Nishikawa Y, Sakaguchi T, Toshimori A, Shimamura Y, Tanabe M, Sumi K, Kimura R, Izawa S, Ikeda H, Onimaru M. Importance of second-look endoscopy after per-oral endoscopic myotomy for safe postoperative management. Dig Endosc. 2021 Mar; 33 (3): 364-372.

67. Sumi K, Inoue H, Kobayashi Y, Iwaya Y, Abad MRA, Fujiyoshi Y, Shimamura Y, Ikeda H, Onimaru M. Endoscopic treatment of proton pump inhibitor-refractory gastroesophageal reflux disease with anti-reflux mucosectomy: Experience of 109 cases. Dig Endosc. 2021 Mar; 33 (3): 347-357.

68. Inoue H, Tanabe M, de Santiago ER, Abad MRA, Shimamura Y, Fujiyoshi Y, Ueno A, Sumi K, Tomida H, Iwaya Y, Ikeda H, Onimaru M. Anti-reflux mucosal ablation (ARMA) as a new treatment for gastroesophageal reflux refractory to proton pump inhibitors: a pilot study. Endosc Int Open. 2020 Feb; 8(2): E133-E138.

69. Choné A, Familiari P, von Rahden B, Desai P, Inoue H, Shimamura Y, Eleftheriadis N, Yamashita K, Khashab MA, Shiwaku H, Seewald S, Draganov PV, Mendoza Alvarez LB , Chaussade S, Tantau M, Abraham M, Marks J , Arevalo G, Albéniz E , Mion F, Roman S, Rivory J, Dubois R, Lachaux A, Benech N, Subtil F, Ponchon T, Barret M, Pioche M. Multicenter Evaluation of Clinical Efficacy and Safety of Per-oral Endoscopic Myotomy in Children. J Pediatr Gastroenterol Nutr. 2019 Nov; 69 (5): 523-527.

70. Onimaru M, Inoue H, Ikeda H, Angeli Abad MA, Quarta Colosso BM, Shimamura Y, Sumi K, Deguchi Y, Ito H, Yokoyama N. Combination of Laparoscopic and Endoscopic Approaches for Neoplasia With Non-Exposure Technique (CLEAN-NET) for Gastric Submucosal Tumors: Updated Advantages and Limitations. Ann Transl Med. 2019 Oct; 7 (20): 582.

71. Inoue H, Shiwaku H, Kobayashi Y, Chiu PWY, Hawes RH, Neuhaus H, Costamagna G, Stavropoulos SN, Fukami N, Seewald S, Onimaru M, Minami H, Tanaka S, Shimamura Y, Santi EG, Grimes K, Tajiri H. Statement for Gastroesophageal Reflux Disease After Peroral Endoscopic Myotomy From an International Multicenter Experience. Esophagus. 2020 Jan; 17 (1): 3-10.

72. Onimaru M, Inoue H, Bechara R, Tanabe M, Angeli Abad RM, Ueno A, Shimamura Y, Sumi K, Ikeda H, Ito H. Clinical Outcomes of Per-Oral Endoscopic Tumor Resection for Submucosal Tumors in the Esophagus and Gastric Cardia. Dig Endosc. 2020 Mar; 32 (3): 328-336.

73. Bechara R, Woo M, Hookey L, Chung W, Grimes K, Ikeda H, Onimaru M, Sumi K, Nakamura J, Hata Y, Maruyama S, Gomi K, Shimamura Y, Inoue H. Peroral endoscopic myotomy (POEM) for complex achalasia and the POEM difficulty score. Dig Endosc. 2019 Mar; 31 (2): 148-155.

74. Rodríguez de Santiago E, Mohammed N, Manolakis A, Shimamura Y, Onimaru M, Inoue H. Anterior versus posterior myotomy during poem for the treatment of achalasia: systematic review and meta-analysis of randomized clinical trials. J Gastrointestin Liver Dis. 2019 Mar; 28 (1): 107-115.

75. Manolakis AC, Inoue H, Ueno A, Shimamura Y. 2007-2019: a "Third"-Space Odyssey in the Endoscopic Management of Gastrointestinal Tract Diseases. Curr Treat Options Gastroenterol. 2019 Jun; 17 (2): 202-220.

76. Angeli Abad MR, Inoue H, Ikeda H, Manolakis A, Rodriguez de Santiago E, Sharma A, Fujiyoshi Y, Fukuda H, Sumi K, Onimaru M, Shimamura Y. Utilizing Fourth-Generation Endocytoscopy and the 'Enlarged Nuclear Sign' for in Vivo Diagnosis of Early Gastric Cancer. Endosc Int Open. 2019 Aug; 7 (8): E1002-E1007.

77. Inoue H, Fujiyoshi Y, Angeli Abad MR, Rodriguez de Santiago E, Sumi K, Iwaya Y, Ikeda H, Onimaru M, Shimamura Y. A Novel Endoscopic Assessment of the Gastroesophageal Junction for the Prediction of Gastroesophageal Reflux Disease: A Pilot Study. Endosc Int Open. 2019 Nov; 7 (11): E1468-E1473.

78. 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. Endosc Int Open. 2015 Oct; 3 (5): E523-8.

79. Nakano K, Ishii N, Ikeya T, Ego M, Shimamura Y, Takagi K, Nakamura K, Fukuda K, Fujita Y. Comparison of long-term outcomes between endoscopic band ligation and endoscopic clipping for colonic diverticular hemorrhage. Endosc Int Open. 2015 Oct; 3 (5): E529-33.