Colonoscopy in Acute Lower Gastrointestinal Bleeding: Diagnosis, Timing, and Bowel Preparation.
作者信息
Beck Kendall R, Shergill Amandeep K
机构信息
UCSF Division of Gastroenterology, Department of Medicine, University of California San Francisco, 1701 Divisadero Street, Suite 120, San Francisco, CA 94115, USA.
Department of Medicine, University of California San Francisco, 505 Parnassus Avenue S-357, San Francisco, CA 94143, USA; Department of Medicine, San Francisco Veteran's Affairs Hospital, 4150 Clement Street, VA 111B/GI Section, San Francisco, CA 94121, USA.
出版信息
Gastrointest Endosc Clin N Am. 2018 Jul;28(3):379-390. doi: 10.1016/j.giec.2018.02.009.
Lower gastrointestinal bleeding is bleeding from a colonic source. Rapid colon purge using 4 to 6 L of polyethylene glycol followed by early colonoscopy, within 24 hours of presentation, is recommended to optimize the detection and management of bleeding sources. Although the data are mixed, early colonoscopy seems to be associated with higher detection of bleeding lesions and therapeutic interventions. There is no clear benefit for early colonoscopy in terms of reduced duration of stay, rebleeding, transfusion requirement, or surgery compared with patients undergoing elective colonoscopy. Further studies are needed to determine the effect of early colonoscopy on clinically important outcomes.
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