Etiology, Diagnosis, and Management for Complications during and after Therapeutic Colonoscopy Mitsuhiro Fujishiro 1 , Naohisa Yahagi 2 , Masanori Nakamura 1 , Naomi Kakushima 1 , Shinya Kodashima 1 , Yosuke Muraki 1 , Satoshi Ono 1 , Katsuya Kobayashi 1 , Takuhei Hashimoto 1 , Nobutake Yamamichi 1 , Ayako Tateishi 1 , Masao Omata 1 1Department of Gastroenterology/Internal Medicine, Graduate School of Medicine, The University of Tokyo 2Department of Gastroenterology, Toranomon Hospital Keyword: 出血 , 穿孔 , 大腸内視鏡 , ポリペクトミー , EMR pp.715-720
Published Date 2006/4/24
DOI https://doi.org/10.11477/mf.1403100357
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According to the 4th nation-wide questionnaire by the Japan Gatroenterological Endoscopy Society(1998-2002), the frequency of complications associated with colonoscopy was 0.069% and, of those, more than 90% were the complications of bleeding or perforation. Another region-wide questionnaire in Hiroshima(1994-1999)revealed that the frequency of bleeding and perforation were 1.37% and 0.02%, respectively. The sub-analyses according to the therapeutic methods used showed that the frequencies in EMR, polypectomy, and hot biopsy were 2.46% and 0.06%, 1.52% and 0.02%, and, 0.47% and 0%, respectively. Complications are encountered by all endoscopists by chance, which shows the necessity for them to understand the underlying mechanisms of the bleeding, to minimize the risk of complications, and to cope with complications in appropriate ways.

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