Quality in Colonoscopy- Colonoscopist’s Adenoma Detection Rate(ADR)

While colonoscopy and polypectomy reduced incidence of bowel cancer in 76% and reduced bowel cancer related mortality in 53% in a cohort of post-polypectomy pa- tients ( National bowel cancer study), the magnitude of such prevention depends on your colonoscopist’s adenoma detection rate (ADR). Colonoscopist’s ADR is de- fined as the percentage of consecutive screening (asymptomatic) patients who had at least one adenoma removed. A colonoscopist’s ADR is inversely proportional to post-colonoscopy missed cancers and adenomas. Higher the ADR less the missed colorectal cancers (CRC) and polyps (adenomas) for these patients in the post – polypectomy years.

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