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Omori T, Ohmiya N, Watanabe K, Hirai F, Nakamura M, Kitamura K, Ozeki K, Oka S, Kawano S, Handa O, Kawai M, Ninomiya K, Sagawa T, Wakamatsu T, Araki A, Koike Y, Kato S, Hashimoto S, Mannami T, Nakaji K, Tanaka S, Matsui T. Nationwide multicenter study on adverse events associated with a patency capsule: Additional survey of appropriate use of patency capsule study. J Gastroenterol Hepatol 2024; 39:337-345. [PMID: 37842961 DOI: 10.1111/jgh.16365] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/09/2023] [Revised: 08/21/2023] [Accepted: 09/10/2023] [Indexed: 10/17/2023]
Abstract
BACKGROUND AND AIM The PillCam patency capsule (PC) without a radio frequency identification tag was released to preclude retention of the small bowel capsule endoscope (CE) in Japan in 2012. We conducted a multicenter study to determine tag-less PC-related adverse events (AEs). METHODS We first conducted a retrospective survey using a standardized data collection sheet for the clinical characteristics of PC-related AEs among 1096 patients collected in a prospective survey conducted between January 2013 and May 2014 (Cohort 1). Next, we retrospectively investigated additional AEs that occurred before and after Cohort 1 within the period June 2012 and December 2014 among 1482 patients (Cohort 2). RESULTS Of the 2578 patients who underwent PC examinations from both cohorts, 74 AEs occurred among 61 patients (2.37%). The main AEs were residual parylene coating in 25 events (0.97%), PC-induced small bowel obstruction, suspicious of impaction, in 23 events (0.89%), and CE retention even after patency confirmation in 10 events (0.39%). Residual parylene coating was significantly associated with Crohn's disease (P < 0.01). Small bowel obstruction was significantly associated with physicians with less than 1 year of experience handling the PC and previous history of postprandial abdominal pain (P < 0.01 and P < 0.03, respectively). CE retention was ascribed to erroneous judgment of PC localization in all cases. CONCLUSIONS This large-scale multicenter study provides evidence supporting the safety and efficiency of a PC to preclude CE retention. Accurate PC localization in patients without excretion and confirmation of previous history of postprandial abdominal pain before PC examinations is warranted (UMIN000010513).
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Affiliation(s)
- Teppei Omori
- Institute of Gastroenterology, Tokyo Women's Medical University, Tokyo, Japan
| | - Naoki Ohmiya
- Department of Advanced Endoscopy, Fujita Health University School of Medicine, Toyoake, Japan
| | - Kenji Watanabe
- Department of Internal Medicine for Inflammatory Bowel Disease, Toyama University, Toyama, Japan
| | - Fumihito Hirai
- Department of Gastroenterology and Medicine, Fukuoka University Faculty of Medicine, Fukuoka, Japan
| | - Masanao Nakamura
- Department of Gastroenterology and Hepatology, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Kazuya Kitamura
- Department of Gastroenterology, Tonami General Hospital, Toyama, Japan
| | - Keiji Ozeki
- Department of Gastroenterology and Metabolism, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
| | - Shiro Oka
- Department of Gastroenterology, Hiroshima University, Hiroshima, Japan
| | - Seiji Kawano
- Department of Gastroenterology and Hepatology, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Okayama, Japan
| | - Osamu Handa
- Depatment of Gastroenterology, Kawasaki Medical School, Okayama, Japan
| | - Mikio Kawai
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Hyogo Medical University, Nishinomiya, Japan
| | | | - Tamotsu Sagawa
- Department of Gastroenterology, Hokkaido Cancer Center, Sapporo, Japan
| | - Takahiro Wakamatsu
- Wakamatsu Clinic, Osaka, Japan
- Department of Gastroenterology and Hepatology, Kansai Medical University, Osaka, Japan
| | - Akihiro Araki
- Health Management Center, Toranomon Hospital, Tokyo, Japan
| | - Yuji Koike
- Department of Gastroenterology, Yokohama Municipal Citizen's Hospital, Yokohama, Japan
| | - Shingo Kato
- Department of Gastroenterology and Hepatology, Saitama Medical Center, Saitama Medical University, Saitama, Japan
| | - Shinichi Hashimoto
- Department of Gastroenterology and Hepatology, Yamaguchi University Graduate School of Medicine, Yamaguchi, Japan
| | - Tomohiko Mannami
- Department of Gastroenterology, National Hospital Organization Okayama Medical Center, Okayama, Japan
- Department of Internal Medicine, Chugoku Central Hospital, Hiroshima, Japan
| | | | - Shinji Tanaka
- Department of Endoscopy and Medicine, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
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