Document Detail

High-Definition White-Light (HDWL) Colonoscopy and Higher Adenoma Detection Rate and the Potential for Paradoxical Over Surveillance.
MedLine Citation:
PMID:  24947185     Owner:  NLM     Status:  Publisher    
BACKGROUND: Patients undergoing high-definition white-light colonoscopy by a high adenoma detector may have a lower risk of interval adenoma detection on follow-up colonoscopy and may require less frequent follow-up but may paradoxically be assigned to more frequent surveillance when more adenomas are detected.
AIMS: To evaluate whether high-definition white-light colonoscopy (vs. standard-definition white-light colonoscopy) and endoscopist adenoma detection rate (ADR) at index colonoscopy are associated with increased likelihood of adenomas at follow-up.
METHODS: Longitudinal follow-up of prior cross-section cohort study of patients who underwent colonoscopy at baseline with at least one detected adenoma was included. Associations of type of white-light at index colonoscopy and the ADR of the endoscopist at index colonoscopy (high vs. low adenoma detector) were evaluated with various adenoma and polyp detection endpoints. Eighteen endoscopists were classified as high and low adenoma detectors based on the median ADR of 0.255.
RESULTS: There were no significant differences in subsequent interval adenoma or polyp detection endpoints with regard to whether baseline exam was performed with high-definition white-light or standard-definition white-light colonoscopy nor between high and low ADR after adjusting for multiple testing (P ≤ 0.0029 considered significant). Prior to multiple testing adjustment, there was a significantly lower detection rate of hyperplastic polyps in the left colon (24 vs. 35 %, OR: 0.56, P = 0.033) at follow-up colonoscopy when baseline exam was performed with high-definition white-light index colonoscopy.
CONCLUSIONS: The results of this study do not support adjusting colonoscopy surveillance guidelines based on type of colonoscopy performed or the endoscopist's ADR.
Victoria Gómez; Ronald G Racho; Michael G Heckman; Nancy N Diehl; Michael B Wallace
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2014-6-20
Journal Detail:
Title:  Digestive diseases and sciences     Volume:  -     ISSN:  1573-2568     ISO Abbreviation:  Dig. Dis. Sci.     Publication Date:  2014 Jun 
Date Detail:
Created Date:  2014-6-20     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7902782     Medline TA:  Dig Dis Sci     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
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