目的：讨论胆道出血的数字减影血管造影表现，经导管超选择性双重栓塞治疗胆道出血的疗效。
Objective:To discuss the DSA features of hemobilia and the efficacy of transcatheter arterial double embolization for hemobilia.
经导管超选择栓塞出血动脉出血点的远端和近端，栓塞后造影了解栓塞效果。
When the bleeding artery was documented, the proximal and distal area of the bleeding site was embolized by gelfoam and spring coil through catheter.
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