Intest Res.  2013 Jan;11(1):46-51. 10.5217/ir.2013.11.1.46.

The Iatrogenic Complications of Colonoscopic Polypectomy: A Multicenter Retrospective Study

Affiliations
  • 1Department of Internal Medicine, Hangang Sacred Heart Hospital, Hallym University College of Medicine, Seoul, Korea. kaeyoo@hallym.or.kr

Abstract

BACKGROUND/AIMS
Colonoscopic polypectomy is an effective tool for the treatment of colonic polyps. With the recent widespread use of colonoscopic polypectomy, there is a growing concern about iatrogenic complications, such as bleeding and perforation. The aim of this study is to analyze the clinical presentation and management of complications during colonoscopic polypectomy.
METHODS
We retrospectively reviewed the medical records of colonoscopic examinations performed at 5 hospitals of Hallym University Medical Center between June 2005 and June 2008.
RESULTS
A total of 26,773 colonoscopies and 4,123 colonoscopic polypectomy were performed. The overall rate of complication was 1.04% (43/4,123). Perforation occurred in 0.19% (8/4,123) of cases, and bleeding occurred in 0.85% (35/4,123) of cases. Perforation occurred in 0.05% of snare polypectomies, 1.09% of endoscopic mucosal resections (EMR), and 7.14% of endoscopic submucosal dissections (ESD). Bleeding occurred in 0.8% of snare polypectomies, 1.09% of EMRs, and 3.57% of ESDs. The complication rate of ESDs was higher than in EMRs and snare polypectomies (P<0.001). Endoscopic clippings were performed in 25% of perforation and 66.7% of bleeding cases. Medical treatment was successful in 75% of perforation and 100% of bleeding cases.
CONCLUSIONS
Colonoscopic polypectomy is a safe procedure for the treatment of colonic polyps, but rarely, serious complications occur. Compared to a snare polypectomy or an EMR, the complication of an ESD occurs more frequently. Endoscopic treatment and further conservative management seems to be appropriate in most cases with complication.

Keyword

Polypectomy; Colonosocpy; Complication; Hemorrhage; Perforation

MeSH Terms

Academic Medical Centers
Colonic Polyps
Colonoscopy
Hemorrhage
Medical Records
Retrospective Studies
SNARE Proteins
SNARE Proteins
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