Objective To study the clinical efficacy of quadruple bronchial ar tery embolization by coaxial catheterization with microcatheter in the treatment of massive haemoptysis.

• 摘要 目的:探讨支气管动脉同轴微导管四重栓塞术治疗大咯血的临床价值,观察大咯血栓塞治疗的临床效果及与并发症的关系。