All patients confined to their beds for 24 hours with the puncture point dressed and wrapt by elastic bandage and pressed by 1 kg of sandbag for 8 hours. And the affected leg kept still for 12 hours.

• B组为实验组,术后根据患者需要取半卧位(床头抬高30°)与平卧位交替,穿刺点弹性绷带包扎并用1 kg沙袋压迫8h,术侧肢体制动12 h,24 h后下床活动。