笑气吸入镇痛用于小儿埋藏牙拔除的临床研究

Inhalation 50% Nitrous Oxide to analgesia for extraction of teeth in children

目的 观察吸入 5 0 %笑气 (N2 O)辅助小儿埋藏牙拔除的镇痛效果 ,探讨高浓度笑气能否安全有效地应用于门诊辅助小儿拔牙镇痛。方法 15 6例埋藏牙小儿病例吸入 5 0 %笑气后 ,连续测定拔牙时心率 (HR )及末梢血氧饱和度 (SpO2 ) ,根据Kuttner ,Lepage面部表情法测量小儿镇痛程度 ,与拔牙前测量值进行比较。结果 小儿在拔牙时的HR轻度增快 ,SpO2 变化不大 ,镇痛评分在拔牙前和拔牙时无统计学意义。结论 吸入 5 0 %笑气辅助小儿埋藏牙拔除具有良好的镇痛效果 。

Objective To assess the effect o f analgesia in extraction of teeth in using 50% N 2O inhalation in 156 children.Method To measur e the heart rate, SpO 2 and pain score before and after extraction of teeth in 156 children with i nhalaton the nitrous oxide, and compare the before and after data. Resul t The heart rate increased slightly and SpO 2 maintained over 90%. To compare with sc or es of analgesia is insignificant before and after exodontia.Conclusion It is a useful approach with inhalation 50% (N 2O) to releas the pain for exodonita in children.