The anesthesia effect was good with adequate sedation in the operation. The indexes such as DBP,SBP,HR changed stably within 10 minutes after CSEA(P>0.05).

• 术中麻醉效果良好；镇静充分；DBP、SBP、HR指标在CSEA后10min内有变化但平稳(P>0.；05)；均在正常范围;