The Effect of Cap-assisted Water Exchange Colonoscopy on Straight Passage of the Colonoscope Through the Sigmoid Colon, Without Loop Formation

Overview

A prospective, single-center, single-blind, randomized controlled study to compare the proportion of straight passage through the sigmoid colon without loop formation between conventional colonoscope passage, left colon water exchange colonoscope passage, and cap-assisted left colon water exchange colonoscope passage through the sigmoid colon

1. Patients are undergone screening, surveillance, or therapeutic colonoscopy at the Endoscopy department of Gastrointestinal endoscopy center of Huadong hospital affiliated to Fudan University. 2. Randomize patients into 3 interventional groups based on R script (version 4.4.1), including (1) Group 1: Conventional colonoscope passage, (2) Group 2: left colon water exchange colonoscope passage, (3) Group 3: cap-assisted left colon water exchange colonoscope passage. 3. Collecting variables which consist of primary and secodary outcomes.

Conditions

Interventions

Eligibility

Locations (1)

Outcomes

Central Contacts