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Hemorrhage following colonoscopic polypectomy

L Rosen¹, D S Bub, J F Reed

¹Division of Colo-Rectal Surgery, Lehigh Valley Hospital, Allentown, Pennsylvania.

Diseases of the Colon and Rectum

|December 1, 1993

Summary

Post-polypectomy hemorrhage is a risk, occurring immediately or delayed. Experienced endoscopists are key to preventing bleeding after colon polyp removal.

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Area of Science:

Gastroenterology
Endoscopic Surgery

Background:

Hemorrhage after colonoscopic polypectomy is a known complication.
Bleeding can occur immediately or be delayed days to weeks post-procedure.

Purpose of the Study:

To investigate the incidence and characteristics of clinically significant hemorrhage following colonoscopic polypectomy.
To identify factors associated with post-polypectomy bleeding.

Main Methods:

Retrospective study of 4,721 patients undergoing polypectomy between January 1987 and December 1991.
Analysis of patient demographics, polyp characteristics, and bleeding outcomes.

Main Results:

Twenty patients (0.4%) required hospital admission for hemorrhage (9 primary, 11 delayed).
Hemorrhage was associated with polyp size (≥2 cm), morphology (sessile), and location.
Experienced endoscopists and knowledge of electrosurgical principles are crucial for prevention.

Conclusions:

Post-polypectomy hemorrhage is infrequent but can be significant.
Patient and polyp factors influence bleeding risk.
Endoscopist expertise is paramount in minimizing bleeding complications.

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