All these patients were performed by seldnger puncture technique,and catheter was put through aorta into bronchial artery. If bronchial arteriography showed direct or indirect bleeding signs,bronchial arterial embolization (BAE) was performed.

• 全部病例行Seldinger穿刺技术 ,导管经主动脉置入双侧支气管动脉造影 ,确认有造影的直接或间接出血征象 ,行双重栓塞术。