Adenoma detection rate for screening colonoscopy: one center experience
Original research work
Laura Pilvinytė
Laura Mašalaitė
Juozas Stanaitis
Published 2017-03-23
https://doi.org/10.15388/LietChirur.2017.1.10492
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Keywords

adenoma
adenomatous polyps
colon
colonoscopy
detection
colorectal neoplasms

How to Cite

1.
Pilvinytė L, Mašalaitė L, Stanaitis J. Adenoma detection rate for screening colonoscopy: one center experience. LS [Internet]. 2017Mar.23 [cited 2021Oct.17];16(1):50-6. Available from: https://www.journals.vu.lt/lietuvos-chirurgija/article/view/10492

Abstract

Objective
Adenoma detection rate (ADR) is a recommended quality measure for screening colonoscopies in risk population. The main aim of our study was to calculate ADR in Vilnius University Hospital Santariskiu Klinikos (VUH SK) and determine inter-individ­ual variations among practicing endoscopists.

Material and methods
Retrospective data review of all the patients who underwent screening colonoscopy in the VUH SK (Vilnius, Lithuania) be­tween 2009 and 2012.

Results
A total of 1633 colonoscopies, which were performed by five practicing endoscopists were included. The overall cecal intu­bation rate was 96.8%. Bowel preparation was good, medium and poor in 65.2%, 28.1% and 6.7% cases, respectively. Polyps were found more commonly in men rather than women: adenomas 40.4% vs. 24% (p<0.001), hyperplastic polyps 11.1% vs. 6.6% (p=0.001), multiple adenomas 6.4% vs. 1.9% (p<0.001). Colorectal cancer was found in 76 patients (4.7%) and there was no statistically significant difference regarding sex (p=0.76). The overall ADR was 31.5%. ADR in men was statistically signifi­cantly higher compared with ADR in women (40.4% vs. 24%; p<0.001). ADR ranged among endoscopists from 26.8% to 36.5% (p=0.007). Overall multiple adenoma detection rate was 4% and ranged among endoscopists from 1.7% to 6.7% (p=0.03). Mean number of adenoma per procedure was 0.5 and mean number of adenoma per positive procedure was 1.59.

Conclusions
Adenoma detection rate in our center is high. Based on current recommendations ADR detected is sufficient for reporting high quality screening colonoscopy.

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