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Digital Rectal Exams Are Infrequently Performed Prior to Anorectal Manometry
Joseph A Menand1, Robinderpal Sandhu2, Yonatan Israel3
1Icahn School of Medicine at Mount Sinai, Mount Sinai Morningside and West Hospitals, New York, NY, 10019, USA. Joseph.Menand@mountsinai.org.
Background:
Digital rectal examination should be performed prior to anorectal manometry; however, real-world data is lacking.
Aims:
Characterize real world rates of digital rectal and their sensitivity for detecting dyssynergia compared to anorectal manometry and balloon expulsion test.
Methods:
A retrospective single-center study was conducted to examine all patients who underwent anorectal manometry for chronic constipation between 2021 and 2022 at one tertiary center with motility expertise. Primary outcomes consisted of the rate of digital rectal exam prior to anorectal manometry; and secondary outcomes included the sensitivity of digital rectal exam for dyssynergic defecation.
Results:
Only 42.3% of 142 patients had digital rectal examinations prior to anorectal manometry. Overall sensitivity for detecting dyssynergic defecation was 46.4%, but significantly higher for gastroenterology providers (p = .004), and highest for gastroenterology attendings (82.6%).
Conclusions:
Digital rectal examination is infrequently performed when indicated for chronic constipation. Sensitivity for detecting dyssynergic defecation may be impacted by discipline and level of training.
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