Prevalence of Forceps Polypectomy of Nondiminutive Polyps Is Substantial But Modifiable

David I. Fudman, Amit G. Singal, Mark G. Cooper, Min Jae Lee, Caitlin C. Murphy

Research output: Contribution to journalArticlepeer-review

1 Scopus citations


Background and Aims: The use of forceps for removal of nondiminutive polyps is associated with incomplete resection compared with snare polypectomy. However, few studies have characterized the frequency of forceps polypectomy for nondiminutive polyps or identified strategies to improve this practice. To address this gap, we estimated the prevalence and predictors of forceps polypectomy in clinical practice and examined the effectiveness of a multicomponent intervention to reduce inappropriate forceps polypectomy. Methods: We retrospectively reviewed all colonoscopies with polypectomies performed at 2 U.S. health systems between October 1, 2017, and September 30, 2019. We used a mixed-effects logistic regression model to examine the effect of a multicomponent intervention, including provider education and a financial incentive, to reduce inappropriate forceps polypectomy, defined as use of forceps polypectomy for polyps ≥5 mm. Results: A total of 9968 colonoscopies with 25,534 polypectomies were performed by 42 gastroenterologists during the study period. Overall, 8.5% (n = 2176) of polyps were removed with inappropriate forceps polypectomy. Inappropriate forceps polypectomy significantly decreased after the intervention (odds ratio [OR], 0.34, 95% confidence interval [CI], 0.30–0.39), from 11.4% (n = 1539) to 5.3% (n = 637). Predictors of inappropriate forceps polypectomy included inadequate bowel prep (OR, 1.25; 95% CI, 1.06–1.47), polyps in the right colon (vs left: OR, 1.29; 95% CI, 1.09–1.51), and number of polyps removed (OR, 0.96; 95% CI, 0.94–0.97). Inappropriate forceps polypectomy also varied by gastroenterologist (median OR, 3.43). In a post hoc analysis, the proportion of polyps >2 mm removed with forceps decreased from 50.0% before the intervention to 43.0% after it (OR, 0.62; 95% CI, 0.58–0.68). Conclusions: Inappropriate forceps polypectomy is common but modifiable. The proportion of nondiminutive polyps removed with forceps polypectomy should be considered as a quality measure.

Original languageEnglish (US)
Pages (from-to)1508-1515
Number of pages8
JournalClinical Gastroenterology and Hepatology
Issue number7
StatePublished - Jul 2022


  • Colonoscopy
  • Colorectal Cancer
  • Forceps
  • Polypectomy
  • Polyps
  • Quality

ASJC Scopus subject areas

  • Hepatology
  • Gastroenterology


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