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Gastrointest Endosc. 2005 Jan;61(1):72-5.

A prospective study of factors that determine cecal intubation time at colonoscopy.

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  • 1Division of Gastroenterology, Department of Medicine, Duke University Medical Center, Durham, NC 27710, USA.

Abstract

BACKGROUND:

For outpatient colonoscopy, the time required to intubate the cecum is variable. The aim of this study was to determine factors associated with cecal intubation time.

METHODS:

A total of 693 consecutive outpatient colonoscopies performed from January to October 2002 at a tertiary care medical center were studied prospectively. Data gathered included time required to reach the cecum; patient age, gender, and body mass index; history of abdominal surgery; quality of bowel preparation; presence/absence of diverticula; and endoscopist experience.

RESULTS:

Complete data were available for 587 patients. Mean age was 59 years, 48% were men, and mean body mass index was 28. Median cecal intubation time was 9 minutes. Linear regression analysis was performed. Cecal intubation time is prolonged by the following factors: older patient age, female gender, lower body mass index, poor bowel preparation, and lower endoscopist annual case volume.

CONCLUSIONS:

This large, prospective study identified 5 factors that prolong the time required for cecal intubation at colonoscopy. These factors may be used to individualize scheduling of colonoscopy according to the time required.

PMID:
15672059
[PubMed - indexed for MEDLINE]
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