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KMID : 0359020100400030164
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Korean Journal of Gastrointestinal Endoscopy
2010 Volume.40 No. 3 p.164 ~ p.169
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Risk Factors for Delayed Bleeding after Colonoscopic Polypectomy
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Han Woo-Jin
Kim Yoon-Jae
Kim Jung-Gon
Kim Tae-Kyung
Lee Seo-Young
Cho Moon-Sook
Chung Jun-Won
Park Dong-Kyun
Hahm Ki-Baik
Kim Yun-Soo
Kim Ju-Hyun
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Abstract
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Background/Aims: The aim of this study was to identify risk factors for delayed bleeding after colonoscopic polypectomy.
Methods: 3,530 polypectomies in 1,542 patients were evaluated. Risk factors were identified among patient-related factors (age, sex, comorbidity, anticoagulants, antiplatelets), polyp-related factors (size, shape, location, histology), and procedure-related factors (experience of the endoscopist, sedation, resection method).
Results: Delayed bleeding occurred in 26 lesions (0.7%) of 24 patients (1.6%). Polyp-based multivariate analysis revealed that polyp size greater than 15 mm (OR, 2.882; 95% CI, 1.106 to 7.506; p=0.030) and sedation-free colonoscopy (OR, 2.606; 95% CI, 1.116 to 6.084; p=0.027) were significant risk factors for delayed bleeding after polypectomy. In colonoscopy-based analysis, hypertension increased the risk of delayed bleeding after polypectomy (OR, 2.938; 95% CI, 1.009 to 8.557; p=0.048).
Conclusions: Large polyp size, sedation-free colonoscopy, and hypertension are associated with delayed bleeding after colonoscopic polypectomy.
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KEYWORD
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Bleeding, Colonoscopy, Complication, Polypectomy, Sedation
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