Korean J Gastrointest Endosc > Volume 40(3); 2010 > Article
Korean Journal of Gastrointestinal Endoscopy 2010;40(3): 164-169.
대장내시경 용종 절제 후 지연성 출혈에 영향을 미치는 인자
한우진ㆍ김윤재ㆍ김정곤ㆍ김태경ㆍ이서영ㆍ조문숙ㆍ정준원ㆍ박동균ㆍ함기백ㆍ김연수ㆍ김주현
가천의과학대학교 의학전문대학원 내과학교실
Risk Factors for Delayed Bleeding after Colonoscopic Polypectomy
Woo Jin Han, M.D., Yoon Jae Kim, M.D., Jung Gon Kim, M.D., Tae Kyung Kim, M.D., Seo Young Lee, M.D., Moon Sook Cho, M.D., Jun Won Chung, M.D., Dong Kyun Park, M.D., Ki Baik Hahm, M.D., Yun Soo Kim, M.D. and Ju Hyun Kim, M.D.
Department of Internal Medicine, Graduate School of Medicine, Gachon University of Medicine and Science, Incheon, Korea
Abstract

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. (Korean J Gastrointest Endosc 2010;40:164-169)
Key Words: Bleeding, Colonoscopy, Complication, Polypectomy, Sedation
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