Development of a video assessment scoring method to determine the accuracy of endoscopist performance at screening flexible sigmoidoscopy

Endoscopy
Siwan Thomas-GibsonW Atkin

Abstract

Variation in the adenoma detection rate (ADR) at flexible sigmoidoscopy screening has been shown to be due to variation in endoscopist performance. There are no objective methods for scoring an endoscopist's performance reliably, and the aim of this study was to develop a valid and reliable objective scoring method using video footage of screening flexible sigmoidoscopies. In a series of five experiments, experienced endoscopists (the scorers) independently scored a sample (n = 43) of the 40 000 flexible sigmoidoscopy extubations recorded as part of the United Kingdom Flexible Sigmoidoscopy Screening Trial (UK FSST). The scoring system, the parameters scored, and their definitions evolved over the course of the five experiments. The initial visual analogue score (range 0-100) used in the first two experiments evolved into a five-point score that ranged from 1 (E, poor) to 5 (A, excellent) in the last three experiments. The final parameters scored were: time spent viewing the mucosa, re-examination of poorly viewed areas, suctioning of fluid pools, distension of the lumen, lower rectal examination, and overall quality of the examination. The first four experiments scored one individual case per endoscopist; in experiment 5, an o...Continue Reading

Citations

Jan 27, 2010·World Journal of Gastroenterology : WJG·Meghana Raghavendra, Douglas K Rex
Dec 14, 2011·Gastrointestinal Endoscopy·Sachin GuptaSiwan Thomas-Gibson
Oct 4, 2011·Gastrointestinal Endoscopy·Mohammad F Madhoun, William M Tierney
Mar 22, 2008·Gastrointestinal Endoscopy·Thomas RöschNicolas Hoepffner
Dec 5, 2006·Gastrointestinal Endoscopy·Christopher Williams
Feb 1, 2015·Gut·Vivian E EkkelenkampErnst J Kuipers
Oct 20, 2007·Digestion·T RöschN Arber
Jun 4, 2014·World Journal of Gastrointestinal Endoscopy·Morten Bo SvendsenLars Konge
Nov 5, 2010·The American Journal of Gastroenterology·Douglas K RexNaga Chalasani

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