What are the risk factors of colonoscopic perforation?
: Knowledge of the factors influencing colonoscopic perforation (CP) is of decisive importance, especially with regard to the avoidance or minimization of the perforations. The aim of this study was to determine the incidence and risk factors of CP in one of the endoscopic training centers accredited by the World Gastroenterology Organization.Method: The prospectively collected data were reviewed of all patients undergoing either colonoscopy or flexible sigmoidoscopy at the Faculty of Medicine Siriraj Hospital, Bangkok, Thailand between January 2005 and July 2008.
The incidence of CP was evaluated. Eight independent patient-, endoscopist- and endoscopy-related variables were analyzed by a multivariate model to determine their association with CP.
Results: : Over a 3.5-year period, 10,124 endoscopic procedures of the colon (8,987 colonoscopies and 1,137 flexible sigmoidoscopies) were performed.
There were 15 colonic perforations (0.15%). Colonoscopy had a slightly higher risk of CP than flexible sigmoidoscopy (OR 1.77, 95%CI 0.23-13.51; p=1.0).
Patient gender, emergency endoscopy, anesthetic method, and the specialty or experience of the endoscopist were not significantly predictive of CP rate. In multivariate analysis, patient age of over 75 years (OR=6.24, 95%CI 2.26-17.26; p <0.001) and therapeutic endoscopy (OR=2.98, 95%CI 1.08-8.23; p = 0.036) were the only two independent risk factors for CP.
Conclusions: : The incidence of CP in this study was 0.15%.
Patient age of over 75 years and therapeutic colonoscopy were two important risk factors for CP.
Author: Varut LohsiriwatSasithorn SujarittanakarnThawatchai AkaraviputhNarong LertakyamaneeDarin LohsiriwatUdom Kachinthorn
Credits/Source: BMC Gastroenterology 2009, 9:71
Published on: 2009-09-24
Copyright by the authors listed above - made available via BioMedCentral (Open Access). Please
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