Adenoma Clinical Trial
Official title:
The Impact of Distraction on Adenoma Detection Rate in Patients Undergoing Colonoscopy With Air Insufflation, Water Immersion and Water Exchange
The investigators will review video-recordings of three randomized, controlled trials (NCT01535326, 01699399, and 01894191) comparing air insufflation, water immersion and water exchange during colonoscopy. These studies were all conducted at Buddhist Dalin Tzu Chi Hospital.
The investigators will review video-recordings of three randomized controlled trials
(NCT01535326, 01699399, and 01894191) comparing air insufflation, water immersion and water
exchange. These studies were conducted at Buddhist Dalin Tzu Chi Hospital. Permission will
be obtained from the local Institutional Review Board (IRB) to review, analyze and report
de-identified findings.
Two experienced endoscopists (YHH and CWT) performed all the recorded colonoscopies.
Recordings will be selected for review if they are complete examinations; include clear
identification of the appendiceal orifice and/or the ileocecal valve, indicating arrival at
the cecum; available in the appropriate format for video editing; and contain no patient or
endoscopist identifiers. Patients with incomplete recordings and a history of bowel
resection will be excluded from analysis. The included video recordings will be edited to
remove the insertion phase to blind the study reviewer to the insertion techniques. One
blinded reviewer uninvolved in the performance of the colonoscopies will be in charge of
evaluating the selected videos, using the criteria described by Yung et al
;
Allocation: Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Investigator, Outcomes Assessor), Primary Purpose: Prevention
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