Telephone instructions improve the quality of bowel preparation for colonoscopy: A meta-analysis of randomized controlled trials.

Abstract

ObjectiveTo evaluate the effect of telephone instructions on the quality of bowel preparation in patients undergoing colonoscopy.MethodsOnline English databases (PubMed, Web of Science, Cochrane Library, and Embase) were screened for randomized controlled trials on telephone instructions regarding bowel preparation for colonoscopy from inception to April 15, 2022. After data extraction, the Review Manager software was used for meta-analysis.ResultsNine randomized controlled trials with 3,836 patients were included in the meta-analysis. The rate of adequate bowel preparation was significantly higher in the telephone group than in the control group. The pooled relative risk (RR) was 1.17 (95% confidence interval [CI]: 1.05-1.30, P ConclusionTelephone instructions for patients undergoing colonoscopy significantly improved the quality of bowel preparation and increased polyp detection rate.