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Related Experiment Videos

Major hemorrhage from endoscopic sphincterotomy: risk factor analysis

D B Nelson1, M L Freeman

  • 1Minneapolis VA Medical Center, Gastroenterology Section (111D), MN 55417.

Journal of Clinical Gastroenterology
|December 1, 1994
PubMed
Summary

Major hemorrhage after sphincterotomy is a significant risk, occurring in 5.3% of patients. Hemodialysis, prolonged prothrombin time, and observed bleeding during the procedure are key predictors of this complication.

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Area of Science:

  • Gastroenterology
  • Surgical Complications
  • Hemorrhagic Risk Assessment

Background:

  • Sphincterotomy is a common endoscopic procedure.
  • Hemorrhage is a known complication of sphincterotomy.
  • Identifying risk factors for postsphincterotomy hemorrhage is crucial for patient safety.

Purpose of the Study:

  • To identify independent risk factors for major hemorrhage following sphincterotomy.
  • To assess the incidence and timing of postsphincterotomy hemorrhage.
  • To differentiate between immediate and delayed bleeding complications.

Main Methods:

  • Retrospective cohort study of patients undergoing sphincterotomy over a 4-year period.
  • Univariate and multivariate analyses were used to assess potential risk factors.

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  • Six potential risk factors were evaluated, including patient comorbidities and procedural characteristics.

    • Main Results:

    • Major hemorrhage occurred in 5.3% of 189 patients, often with delayed onset.
    • Independent predictors of hemorrhage included hemodialysis (RR 8.4), prolonged prothrombin time (RR 7.8), and observed bleeding during the procedure (RR 5.9).
    • Sphincter of Oddi dysfunction, recent NSAID/aspirin use, and procedure length were not associated with increased hemorrhage risk.

    Conclusions:

    • Hemodialysis, elevated prothrombin time, and intraprocedural bleeding are significant risk factors for postsphincterotomy hemorrhage.
    • Clinically significant hemorrhage is typically a delayed event, particularly in patients with underlying hemostatic defects.
    • Risk stratification can help optimize patient selection and management to minimize postsphincterotomy bleeding complications.