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. 2022 Oct 1;56(9):781-783.
doi: 10.1097/MCG.0000000000001628. Epub 2021 Oct 14.

Impact of Expanding Screening Colonoscopy Interval on Providers Choice of Prescribing Colonoscopy for Colorectal Cancer Screening

Douglas K Rex  1 , Rachel E Lahr  1 , Daniel A Handel  2   3 , Kevin B Gebke  4 , Krishna C Vemulapalli  1
Affiliations

Impact of Expanding Screening Colonoscopy Interval on Providers Choice of Prescribing Colonoscopy for Colorectal Cancer Screening

Douglas K Rex et al. J Clin Gastroenterol. .

Abstract

Goals: We investigated if increasing the colonoscopy screening interval from 10 to 15 years would increase provider preferences for colonoscopy as a screening test. We further examined whether having colonoscopy performed at a 15-year interval by an endoscopist with a high adenoma detection rate would influence preferences.

Background: Colonoscopy is recommended every 10 years in average risk individuals without polyps for colorectal cancer (CRC) screening. The use of a 15-year interval offers substantial protection, increases cost-effectiveness, and might make colonoscopy more attractive to patients and health care providers who order CRC screening tests.

Study: An anonymous online survey of health care providers across a health care system that serves a single US state and encompasses both academic and community physicians was conducted. Physicians and nurse practitioners in family medicine, obstetrics-gynecology, and internal medicine were included. Providers were asked to indicate their preference for CRC screening tests as a proportion of tests they prescribe among 5 common screening tools. Responses were compared for current colonoscopy screening intervals and if the screening intervals are increased to 15 years.

Results: One hundred and twelve (34%) responded of 326 providers. Colonoscopy was the most frequently ordered test for CRC screening. Increasing screening interval from 10 to 15 years increased the choice of colonoscopy from 75.2% to 78.6% ( P =0.003).

Conclusions: Expanding colonoscopy screening interval to 15 years could produce an increase in physicians and nurse practitioners choice of using colonoscopy for CRC screening, but the clinical impact appears minor. Additional surveys of patients and providers are needed.

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