Prevalence of ‘one and done’ in adenoma detection rates: results from the New Hampshire Colonoscopy Registry

Background and study aims Adenoma detection rate (ADR), the proportion of an endoscopist’s screening colonoscopies in which at least one adenoma is found, is an established quality metric. Several publications have suggested that a technique referred to as “one and done,” where less attention is paid to additional polyp detection following discovery of one likely adenoma, may be occurring 1 2 3. To investigate whether this practice occurs and...