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KMID : 0988920150130020160
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Intestinal Research
2015 Volume.13 No. 2 p.160 ~ p.165
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Risk Factors for Delayed Post-Polypectomy Bleeding
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Kwon Min-Jung
Kim You-Sun
Bae Song-I
Park Young-Il
Lee Kyung-Jin
Min Jung-Hwa
Jo Soo-Yeon
Kim Mi-Young
Jung Hye-Jin
Jeong Seong-Yeon
Yoon Won-Jae
Kim Jin-Nam
Moon Jeong-Seop
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Abstract
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Background/Aims: Among the many complications that can occur following therapeutic endoscopy, bleeding is the most serious, which occurs in 1.0?6.1% of all colonoscopic polypectomies. The aim of this study was to identify risk factors of delayed post-polypectomy bleeding (PPB).
Methods: We retrospectively reviewed the data of patients who underwent colonoscopic polypectomy between January 2003 and December 2012. We compared patients who experienced delayed PPB with those who did not. The control-to-patient ratio was 3:1. The clinical data analyzed included polyp size, number, location, and shape, patient’ body mass index (BMI), preventive hemostasis, and endoscopist experience.
Results: Of 1,745 patients undergoing colonoscopic polypectomy, 21 (1.2%) experienced significant delayed PPB. We selected 63 age- and sex-matched controls. Multivariate logistic regression analysis showed that polyps >10 mm (odds ratio [OR], 2.605; 95% confidence interval [CI], 1.035?4.528; P=0.049), a pedunculated polyp (OR, 3.517; 95% CI, 1.428?7.176; P=0.045), a polyp located in the right hemicolon (OR, 3.10; 95% CI, 1.291?5.761; P=0.013), and a high BMI (OR, 3.681; 95% CI, 1.876?8.613; P=0.013) were significantly associated with delayed PPB.
Conclusions: Although delayed PPB is a rare event, more caution is needed during colonoscopic polypectomies performed in patients with high BMI or large polyps, pedunculated polyps, or polyps located in the right hemicolon. (Intest Res 2015;13:160-165)
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KEYWORD
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Colonoscopy, Polypectomy, Complication, Hemorrhage
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