Factors Associated With Short Withdrawal Time and Polyp Detection Rate During Colonoscopy
|Study Design:||Time Perspective: Prospective|
|Official Title:||Factors Associated With Short Withdrawal Time and Polyp Detection Rate During Colonoscopy|
|Study Start Date:||May 2008|
|Study Completion Date:||June 2009|
|Primary Completion Date:||June 2009 (Final data collection date for primary outcome measure)|
Patients undergoing colonoscopy
Data was collected on all adult patients undergoing outpatient colonoscopy at St. Paul's Hospital from May 2008 to June 2009. Exclusion criteria were prior colon resection and repeat colonoscopy for the purpose of endoscopic therapy for known lesions.
Other: No intervention
Colonoscopies were conducted as per the endoscopist's usual practice. No change in protocol was expected.
Colonoscopy withdrawal times are a critical element in determining quality of colonoscopy; however, few studies have evaluated specific factors that may influence the duration of withdrawal, and specifically short withdrawal times. Other factors affecting polyp detection rate, one element of quality of colonoscopy, also need further study.
To identify factors associated with withdrawal time, inappropriately short withdrawal times, and polyp detection rate during colonoscopy.
Data were prospectively collected (05/08-06/09) on 802 colonoscopies conducted by 9 blinded endoscopists, including patient age and sex, indication, colonoscope insertion and withdrawal time, biopsies performed, number/size of polyps and method of resection, bowel preparation quality, time of day, day of week, endoscopist, position of the procedure within the endoscopist's slate, and call status of the endoscopist.
This study was conducted at a single tertiary care hospital, St. Paul's Hospital, in Vancouver, British Columbia.
Please refer to this study by its ClinicalTrials.gov identifier: NCT01487356
|Canada, British Columbia|
|St. Paul's Hospital|
|Vancouver, British Columbia, Canada, V6Z 1Y6|
|Principal Investigator:||Rob Enns, MD||University of British Columbia|