Objective To evaluate the effect of PVA combined with gelatinum sponge and coil to perform selective bronchi artery embolism.

• 目的探讨使用PVA颗粒结合明胶海绵、不锈钢圈行选择性支气管动脉双重栓塞,以达到安全有效治疗大咯血,降低其复发率的目的。