Epidural puncture was performed at L3-L4 and the level of epidural blockade was controlled under T9.SBP,DBP,MAP,HR,SpO2 and ECG were continuously monitored during the operation.

• 硬脊膜外间隙穿刺点选择L3~L4椎间隙,严格控制阻滞平面在T 9以下。 手术中连续监测SBP、DBP、MAP、HR、SpO2和ECG。