Objective to investigate sevoflurane and propofol combined with sacral block selected lower abdominal surgery, clinical ef ect in young child. Methods A total of 80 patients age 0~6 years, ASA I-II patients were randomiged divided two group: receving sevoflurane and propofol combined with sacral block (group S) and total intravenous anesthesia (group T). When two group patients into operation room after, routine continual uptake oxygen monitoring R, HR, NIBP, SPO2 Basic vital signs. Group S first uptake 7%sevoflurane by mask. Then patients into sedate sleep state, and then perivenipunctive veneclysis after with 0.4%ropivacaine 2mg/kg sacral block and preioperation receiving propofol 4~6mg/(kg.h) maitaine sedate state by target control ed infusion. Group T receiving ketamine 5~10mg/kg IM, patients sleep after routine continoul with mask uptake oxygen. Katamine 2~5mg/(kg.h), propofol 4~6mg/(kg.h) respective target control ed infusion. Results Basic vital signs during prioperation young child showed more stabiliged group S comprared with group T. there were not significantly respiratory depression in group S during operation and postoperation absence of emergency agitation and Vometing and prolonged respiratory depression, anesthesia recovery time were to reduce in group S. Conclusion The anesthesia ef ect is bet er that is sevoflarane and propofol combined with sacral block in young child, during prioperation were high safety, group S were excel ent then group T .%目的观察七氟烷复合丙泊酚辅助骶管阻滞应用于学龄前（1~6岁）小儿腹部以下部位择期手术的临床效果。方法选择ASAI~II级、1~6岁患儿80例随机平均分成两组：七氟烷复合丙泊酚辅助骶管阻滞组（S组）及全凭静脉麻醉组（T组），两组患儿入室后常规持续吸氧，监测SPO2，HR，NIBP，R等生命体征，S组先予7%七氟烷面罩吸入使其入睡安静后开通外周静脉通道，再予0.4%罗哌卡因2 mg/Kg行骶管阻滞术，围术期静脉微泵推注丙泊酚4~6 mg/Kg/h维持镇静。 T组予氯胺酮5~10 mg/Kg肌注，患儿入睡安静后常规面罩持续吸氧，开放外周静脉通道予氯胺酮2~5 mg/Kg/h及丙泊酚4~6 mg/Kg/h分别微泵静脉推注。结果围术期患儿生命体征S组较T组更平稳，且S组未出现明显呼吸抑制，术中及术后无躁动、呕吐、及延迟性呼吸抑制等不良反应，麻醉复苏时间较全凭组明显缩短。结论小儿七氟烷复合丙泊酚辅助骶管阻滞麻醉效果满意，围术期安全性高，优于全凭静脉麻醉。
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