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Cited 8 time in webofscience Cited 8 time in scopus
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Risk of adenomas with high-risk characteristics based on two previous colonoscopy

Authors
Suh, Kang-HeumKoo, Ja SeolHyun, Jong JinChoi, JungsoonHan, Jang SooKim, Seung YoungJung, Sung WooJeen, Yoon TaeLee, Sang WooChoi, Jai Hyun
Issue Date
Dec-2014
Publisher
WILEY
Keywords
high-risk findings; polypectomy; surveillance colonoscopy
Citation
JOURNAL OF GASTROENTEROLOGY AND HEPATOLOGY, v.29, no.12, pp.1985 - 1990
Indexed
SCIE
SCOPUS
Journal Title
JOURNAL OF GASTROENTEROLOGY AND HEPATOLOGY
Volume
29
Number
12
Start Page
1985
End Page
1990
URI
https://scholarworks.korea.ac.kr/kumedicine/handle/2020.sw.kumedicine/8690
DOI
10.1111/jgh.12650
ISSN
0815-9319
Abstract
Background and Aim: The recommended intervals between surveillance colonoscopies are based on the most recent examination findings. However, whether the two previous colonoscopies affect second surveillance colonoscopic findings is not established. The aim of this study is to estimate the risk of obtaining high-risk findings (HRF) on the next surveillance colonoscopy using the results of two previous colonoscopies, and to estimate the appropriate time interval for the next surveillance colonoscopy. Methods: Among subjects who underwent screening colonoscopy during January 2002-December 2009, patients who underwent second surveillance colonoscopy before June 2012 were enrolled. "No adenoma" was defined as a hyperplastic polyp or no polyp, "low-risk findings (LRF)" as one or two small (< 1 cm) tubular adenomas, and "HRF" as advanced adenoma, cancer, or any sized multiple (>= 3) adenomas. Results: Among enrolled 852 subjects, 65 (7.6%) had HRF at second surveillance colonoscopy. Multivariate analysis showed that HRF on second surveillance colonoscopy were associated with male and HRF on screening colonoscopy (all, P < 0.01). In subjects with LRF on first surveillance colonoscopy, HRF on the screening colonoscopy significantly affected the detection of HRF on second surveillance colonoscopy (P < 0.01). Patients with HRF on screening colonoscopy and LRF on the first surveillance colonoscopy had no different risk of HRF on second surveillance colonoscopy from those with HRF on first surveillance colonoscopy (P > 0.05). Conclusions: The HRF on second surveillance are significantly associated with previous two colonoscopic results. In patients with LRF on first surveillance, screening colonoscopic findings should be considered to determine the optimal surveillance interval.
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Anam Hospital (Department of Gastroenterology and Hepatology, Anam Hospital)
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