应用异氟醚诱导麻醉期间常伴呼吸道刺激,并接着引起氧饱和度降低。作者就小儿异氟醚麻醉诱导前应用阿托品是否能够减少对呼吸道的刺激及对氧饱和度的影响进行了观察。作者将60例术前体检属于ASA1和2级的小儿随机分成三组。对照组不结术前用药。第二组于术前30分钟按0.02mg/kg肌注阿托品。第三组则按0.04mg/kg于术前60分钟给予口服阿托品(0.01％ Isoflurane-induced induction of respiratory irritation during anesthesia often follows, and then leads to reduced oxygen saturation. The authors observed whether pretreatment with isoflurane in children before atropine can reduce respiratory irritation and oxygen saturation effects were observed. The authors randomized 60 children with preoperative ASA class 1 and 2 into three groups. The control group did not take preoperative medication. The second group 30 minutes before surgery by 0.02mg / kg intramuscular injection of atropine. The third group according to 0.04mg / kg preoperative 60 minutes given oral atropine (0.01%