Spots Global Cancer Trial Database for Examining Techniques on Adenoma Miss Rate in Proximal Colon

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Trial Identification

Brief Title: Examining Techniques on Adenoma Miss Rate in Proximal Colon

Official Title: Efficacy of Segmental Re-examination and Retroflexion of Proximal Colon for Adenoma Miss Rate During Colonoscopy

Study ID: NCT03355443

Conditions

Colorectal Adenoma

Colorectal Polyp

Interventions

Retroflexion

Re-examination

Study Description

Brief Summary: The primary aim of this study is - to explore the usefulness of re-examination and retroflexion on adenoma miss rate (AMR) in the proximal colon. Other aims include to explore the data below when re-examination or retroflexion is used. * Adenoma detection rate, ADR * Polyp miss rate, PMR * Polyp detection rate, PDR * Withdrawal time, WT

Detailed Description: AMR = number of adenomas missing during the first examination/ total number of adenomas in both examinations = number of adenomas detected only in the second examination/(number of adenomas detected during the first examination + number of adenomas detected only in the second examination)