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Frederick H. Weber 1 Article
A Single-Center Randomized Controlled Trial Evaluating Timing of Preparation for Capsule Enteroscopy
Katherine R. Black, Wiley Truss, Cynthia I. Joiner, Shajan Peter, Frederick H. Weber
Clin Endosc 2015;48(3):234-238.   Published online May 29, 2015
AbstractAbstract PDFPubReaderePub

Intestinal lavage (IL) administration immediately before capsule enteroscopy (CE) is superior to lavage the day before the procedure. We aimed to determine the effect of IL timing on CE diagnostic yield.


Patients referred for CE were randomized prospectively into two equal groups according to the timing of IL with 2 L of polyethylene glycol solution. Group A and B underwent IL over 2 hours beginning 14 and 4 hours, respectively, before the scheduled CE. The primary outcome measure was preparation quality, measured with a predetermined validated grading scale.


A total of 34 patients were randomized. The frequency of mucosal abnormalities (77% vs. 82%, p=not significant [NS]) and diagnostic yield (47% vs. 53%, p=NS) were similar between the two groups. Moreover, no significant association between the quality of small bowel preparation and the timing at which the purgative for IL was administered was observed (overall fluid transparency, p=0.936; overall mucosal invisibility, p=0.091).


Day-before IL is equivalent to same-day IL in terms of overall preparation quality, proportion of complete studies to cecum, small bowel transit time, frequency of identified mucosal abnormalities, and overall diagnostic yield.


Citations to this article as recorded by  
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  • Superiority of the Split-dose PEG Regimen for Small-Bowel Capsule Endoscopy
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  • What Is the Optimal Timing of Bowel Preparation for Video Capsule Endoscopy?
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