Gastrointestinal Intervention 2018; 7(3): 106-111  https://doi.org/10.18528/gii180027
Role of computed tomography angiography for acute gastrointestinal bleeding
Chul-min Lee,1 Jong Keon Jang,2 Ji Hoon Shin,2 Soon-Young Song,3 Bo-kyeong Kang3,*
1Department of Radiology, Armed Forces Capital Hospital, Seongnam, Korea
2Department of Radiology and Research Institute of Radiology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
3Department of Radiology, Hanyang University Medical Center, Hanyang University College of Medicine, Seoul, Korea
*Department of Radiology, Hanyang University Medical Center, Hanyang University College of Medicine, 222-1 Wangsimni-ro, Seongdong-gu, Seoul 04763, Korea.
E-mail address: msbbogri@naver.com (B.-k. Kang). ORCID: https://orcid.org/0000-0001-6834-3825
Received: July 16, 2018; Revised: September 20, 2018; Accepted: September 20, 2018; Published online: October 31, 2018.
© Society of Gastrointestinal Intervention. All rights reserved.

cc This is an open-access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0) which permits unrestricted noncommercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Abstract
Acute gastrointestinal (GI) bleeding is a common cause of emergency department admission and hospitalization. Diagnosis and treatment requires promptly with a multidisciplinary approach to reduce morbidity and mortality of acute GI bleeding. Many diagnostic modalities are being used in the evaluation of GI bleeding, each with its own strengths and weaknesses. With the recent advances in technology, computed tomography (CT) angiography has become an effective first-line method for imaging the cause of GI bleeding to guide management. The purpose of this review is to discuss diagnostic modalities of GI bleeding, with a focus on the emerging role of CT angiography.
Keywords: Computed tomography angiography; Computed tomography enterography; Gastrointestinal bleeding; Hematemesis; Melena


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