Korean J Gastrointest Endosc > Volume 41(6); 2010 > Article
Korean Journal of Gastrointestinal Endoscopy 2010;41(6): 329-337.
원인불명의 위장관 출혈에서 내시경의 역할
은창수
한양대학교 의과대학 내과학교실
The Role of Endoscopy in Obscure Gastrointestinal Bleeding
Chang Soo Eun, M.D.
Department of Internal Medicine, Hanyang University College of Medicine, Guri, Korea
Abstract
Obscure gastrointestinal bleeding (OGIB) is defined as occult or overt bleeding of unknown origin that persists or recurs after an initial negative endoscopic evaluation by gastroscopy or colonoscopy. Most of these problems occur in the small bowel, and it is not an uncommon condition encountered by gastroenterologists, accounting for approximately 5% of all GIB. Traditional endoscopic techniques, including push enteroscopy, have a limited role in diagnosing patients with OGIB because of the inaccessibility of a large part of the small bowel using an endoscopic procedure. The recent introduction of new enteroscopic modalities including capsule endoscopy (CE) and double balloon enteroscopy have allowed mucosal visualization of the entire small bowel, revolutionizing the diagnosis and treatment of patients with OGIB. The respective roles of CE and deep enteroscopy in patients with OGIB are discussed in this review. (Korean J Gastrointest Endosc 2010;41:329-337)
Key Words: Obscure gastrointestinal bleeding, Capsule endoscopy, Deep enteroscopy
주요어: 원인불명의 위장관 출혈, 캡슐내시경, 심부 소장내시경
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