随着双气囊电子小肠内镜和胶囊内镜的应用，小肠肿瘤的诊断率有了较大提高。

With the application of double-balloon enteroscopy and capsule endoscopy, the diagnosis rate of small intestinal tumor is improved highly.

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目的评价双气囊电子小肠镜及胶囊内镜对不明原因消化道出血的诊断价值、安全性及耐受性。

Objective To evaluate the diagnostic yield and therapeutic impact of double-balloon enteroscopy (DBE) on the management of patients with obscure gastrointestinal bleeding (OGIB).

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