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Cited 19 time in webofscience Cited 23 time in scopus
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High-Definition Chromoendoscopy Versus High-Definition White Light Colonoscopy for Neoplasia Surveillance in Ulcerative Colitis: A Randomized Controlled Trial

Authors
Yang, Dong-HoonPark, Soo JungKim, Hyun-SooPark, Young SookPark, Dong IlLee, Kang-MoonJung, Sung-AeChoi, Chang HwanKoo, Ja SeolCheon, Jae HeeYang, Suk-KyunKim, Won HoKim, JihunKim, HogeunChoi, Chang-Ho Ryan
Issue Date
Oct-2019
Publisher
LIPPINCOTT WILLIAMS & WILKINS
Citation
AMERICAN JOURNAL OF GASTROENTEROLOGY, v.114, no.10, pp.1642 - 1648
Indexed
SCIE
SCOPUS
Journal Title
AMERICAN JOURNAL OF GASTROENTEROLOGY
Volume
114
Number
10
Start Page
1642
End Page
1648
URI
https://scholarworks.korea.ac.kr/kumedicine/handle/2020.sw.kumedicine/1620
DOI
10.14309/ajg.0000000000000341
ISSN
0002-9270
Abstract
OBJECTIVES: Although chromoendoscopy is currently the recommended mode of surveillance in patients with long-standing ulcerative colitis, it is technically challenging and requires a long procedure time. The aim of this study was to compare the dysplasia detection rate of high-definition white light endoscopy with random biopsy (HDWL-R) vs high-definition chromoendoscopy with targeted biopsy (HDCE-T). METHODS: This was a multicenter, prospective randomized controlled trial involving 9 tertiary teaching hospitals in South Korea. A total of 210 patients with long-standing ulcerative colitis were randomized to undergo either the HDWL-R group (n = 102) or HDCE-T group (n = 108). The detection rates of colitis-associated dysplasia (CAD) or all colorectal neoplasia from each trial arm were compared. RESULTS: There was no significant difference in the CAD detection rate between HDCE-T and HDWL-R groups (4/102, 3.9% vs 6/108, 5.6%, P = 0.749). However, HDCE-T showed a trend toward improved colorectal neoplasia detection compared with HDWL-R (21/102, 20.6% vs 13/108, 12.0%, P = 0.093). The median (range) time for colonoscopy withdrawal between the 2 groups was similar (17.6 [7.0-43.3] minutes vs 16.5 [6.3-38.1] minutes; P=0.212; for HDWL-R and HDCE-T, respectively). The total number of biopsies was significantly larger in the HDWL-R group (34 [12-72]) compared with the HDCE-T group (9 [1-20]; P < 0.001). DISCUSSION: On the basis of our prospective randomized controlled trial, HDCE-T was not superior to HDWL-R for detecting CADs.
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Koo, Ja Seol
Ansan Hospital (Department of Gastroenterology and Hepatology, Ansan Hospital)
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