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小肠出血诊断与治疗

Journal of New Medicine(2013)

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Abstract
小肠占消化道总长度75%,但小肠出血临床上少见,仅占消化道出血3%~5%[1].由于小肠肠管长、系膜短、排列折叠、腹腔内活动度大等解剖特点,常规胃镜或结肠镜不能对小肠进行全面检查;且小肠出血病因复杂,加上临床表现又缺乏特异性;故小肠出血病因和部位的诊断颇为困难,常被称为原因不明的消化道出血(OGIB).
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