硬膜外阻滞下腹部手术中常出现寒颤 ,可使机体氧耗增加 ,易导致低氧血症和乳酸性酸中毒 ,为避免术中寒颤发生 ,我们用咪唑安定静注预防硬膜外阻滞下腹部手术中寒颤发生 ,疗效满意 ,现总结如下。资料和方法一、临床资料　选择下腹部手术 40例 ,均为男性 ,年龄 5～ 12岁 ,术前用? Epidural block often appear in the lower abdomen surgery shivering, can increase the body oxygen consumption, easily lead to hypoxemia and lactic acidosis, in order to avoid intraoperative shivering, we use intravenous midazolam to prevent epidural block Lower abdomen surgery chills, the effect is satisfactory, are summarized as follows. Materials and methods First, the clinical data Select lower abdominal surgery in 40 cases, both men, aged 5 to 12 years, preoperative use?