...1期 【英文刊名】 China Medical Herald 【中英文摘要】 不明原因的消化道出血(obscure gastrointestinal bleed-ing,OGIB)指存在出血证据而常规胃镜及大肠镜检查未能发现原因的消化道出血。
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目的研究不明原因的消化道出血的诊断和治疗。
Objective To study the diagnoses and treatment of alimentary tract bleeding of unknown causes.
方法：22例不明原因的消化道出血患者进行DS A检查，其中17例经手术病理证实。
Methods: DSA was performed in 22 patient with gastrointestinal bleeding unknown causes, of which 17 patients were confirmed by surgery and pathology.
目的评价数字减影血管造影(DSA)检查不明原因消化道出血的价值。
Objective To evaluate the diagnostic value of DSA in digestive canal bleeding without clear cause.
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