For patients with displaced catheter, the catheter tip was manipulated into the abdominal aorta.One case of occlusion of PCS catheter was recanalized by using thrombolytic therapy.

• 导管移位者均采用介入技术调整导管至腹主动脉，药盒导管闭塞溶栓再通1例，取出药盒及导管经对侧股动脉再植入1例。