呼吸道异物术后或术时 ,苏醒期出现严重呼吸困难乃至呼吸停止者间常可见。多年来我们使用静脉复合麻醉进行手术 ,效果满意。其中有 3例小儿术后出现不同程度的呼吸困难 ,报道如下 :例 1,男性 ,1岁 4个月。因误吸板栗后咳喘 17ｈ入院。听诊右肺呼吸音基本消失。胸片示右侧肺气肿 Respiratory or postoperative foreign body surgery, the awakening of severe respiratory difficulties and even breathing stopped often seen. Over the years we use intravenous anesthesia for surgery, the effect is satisfactory. There are 3 cases of children with varying degrees of dyspnea after surgery, reported as follows: Example 1, male, 1 year and 4 months. After chestnut asthma due to aspiration 17h admitted to hospital. Auscultation right lung breath sounds disappeared. Chest radiograph showed right emphysema