Original articleClinical endoscopyNonneoplastic polypectomy during screening colonoscopy: the impact on polyp detection rate, adenoma detection rate, and overall cost
Section snippets
Materials and methods
Endoscopy and pathology reports were reviewed at a single, tertiary-care referral center for all patients undergoing screening colonoscopy from October 1, 2010 to September 30, 2011. Our institutional review board granted permission for this minimal risk study to retrospectively review our endoscopic database, analyze de-identified patient data, and report our findings. The procedure was classified as screening if patients were asymptomatic and without a history of polyps. Either a board
Results
A total of 1797 screening colonoscopies performed by 20 gastroenterologists were analyzed. The mean (± SD) patient age was 59.1 ± 9.1 years, and 52% were male. Completion to the cecum overall was 98% (37 incomplete examinations). The distribution of bowel preparation quality among all procedures is as follows: 1.3% (21) poor, 2.8% (46) fair-inadequate, 35.7% (595) fair-adequate, 53.4% (889) good, and 6.9% (115) excellent. Table 1 lists the number of procedures and calculated PDR, ADR, and NNP
Discussion
In this series of over 1500 screening colonoscopies among 20 providers, we described the variation in PDR, ADR, and NNP individually and as a group. Our PDR and ADR from this study are comparable to prior data.7, 10, 22 During screening colonoscopy, 13% of polyps removed are nonneoplastic, consisting of only normal mucosa or lymphoid aggregates without hyperplastic or adenomatous features. Nonneoplastic polyps tend to be <5 mm (Fig. 4). There is a strong correlation between adenoma detection
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DISCLOSURE: All authors disclosed no financial relationships relevant to this article.
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