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Kawamura T, Sekiguchi M, Takamaru H, Mizuguchi Y, Horiguchi G, Kato M, Kobayashi K, Sada M, Oda Y, Yokoyama A, Utsumi T, Tsuji Y, Ohki D, Takeuchi Y, Shichijo S, Ikematsu H, Matsuda K, Teramukai S, Kobayashi N, Matsuda T, Saito Y, Tanaka K. "Endoscopic" adenoma detection rate as a quality indicator of colonoscopy: First report from the J-SCOUT study. Dig Endosc 2022. [PMID: 36434769 DOI: 10.1111/den.14483] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/27/2022] [Accepted: 11/23/2022] [Indexed: 11/27/2022]
Abstract
OBJECTIVES To examine whether reasonable detection rate of endoscopically diagnosed lesions as adenoma ("endoscopic" adenoma detection rate [ADR]) could be calculated with a database generated from colonoscopy reports and whether it could be used as a surrogate colonoscopy quality indicator of "pathological" ADR. METHODS A lesion-by-lesion database of colonoscopies performed between 2010 and 2020 at eight Japanese endoscopy centers and corresponding pathology database were integrated. Differences in numbers of detected polyps, "endoscopic" and "pathological" adenomas, and what these differences could be attributed to were examined. Polyp detection rate (PDR), "endoscopic" and "pathological" ADRs, and correlation coefficients between "pathological" ADR and PDR or "endoscopic" ADR by each endoscopist were calculated. RESULTS Overall, 129,065 colonoscopy reports were analyzed. Among a total of 146,854 polyps, more "endoscopic" adenomas (n = 117,359) were observed than "pathological" adenomas (n = 70,076), primarily because adenomas were not resected on site, rather than because of a misdiagnosis. In all patients analyzed, PDR, "endoscopic" and "pathological" ADRs were 56.4% (95% confidence interval [CI] 56.2-56.7), 48.0% (95% CI 47.7-48.3), and 32.7% (95% CI 32.5-33.0), respectively. "Endoscopic" and "pathological" ADRs from each endoscopist showed a high correlation in hospitals where adenomas were usually resected at the time of examination. CONCLUSIONS By appropriately describing endoscopically diagnosed lesions as "adenomas" in endoscopy reports, "endoscopic" ADR might be used as a surrogate colonoscopy quality indicator of "pathological" ADR (UMIN000040690).
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Affiliation(s)
- Takuji Kawamura
- Department of Gastroenterology, Kyoto Second Red Cross Hospital, Kyoto, Japan
| | - Masau Sekiguchi
- Endoscopy Division, National Cancer Center Hospital, Tokyo, Japan.,Cancer Screening Center, National Cancer Center Hospital, Tokyo, Japan
| | | | | | - Go Horiguchi
- Department of Biostatistics, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Masayuki Kato
- Department of Endoscopy, The Jikei University Katsushika Medical Center, Tokyo, Japan
| | | | - Miwa Sada
- Department of Gastroenterology, Kitasato University, Kanagawa, Japan
| | - Yasushi Oda
- Oda GI Endoscopy and Gastroenterology Clinic, Kumamoto, Japan
| | - Akira Yokoyama
- Department of Therapeutic Oncology, Kyoto University, Kyoto, Japan
| | - Takahiro Utsumi
- Department of Gastroenterology and Hepatology, Kyoto University, Kyoto, Japan
| | - Yosuke Tsuji
- Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Daisuke Ohki
- Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Yoji Takeuchi
- Department of Gastrointestinal Oncology, Osaka International Cancer Institute, Osaka, Japan.,Department of Genetic Oncology, Division of Hereditary Tumors, Osaka International Cancer Institute, Osaka, Japan
| | - Satoki Shichijo
- Department of Gastrointestinal Oncology, Osaka International Cancer Institute, Osaka, Japan
| | - Hiroaki Ikematsu
- Department of Gastroenterology and Endoscopy, National Cancer Center Hospital East, Chiba, Japan
| | - Koji Matsuda
- Department of Gastroenterology, Shizuoka Medical Center, Shizuoka, Japan
| | - Satoshi Teramukai
- Department of Biostatistics, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Nozomu Kobayashi
- Endoscopy Division, National Cancer Center Hospital, Tokyo, Japan.,Cancer Screening Center, National Cancer Center Hospital, Tokyo, Japan
| | - Takahisa Matsuda
- Division of Gastroenterology and Hepatology, Toho University Omori Medical Center, Tokyo, Japan
| | - Yutaka Saito
- Endoscopy Division, National Cancer Center Hospital, Tokyo, Japan
| | - Kiyohito Tanaka
- Department of Gastroenterology, Kyoto Second Red Cross Hospital, Kyoto, Japan
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