Spinal and extradural combined anesthesia were used.
行脊麻与硬膜外联合阻滞麻醉。
Objective To observe the effect and side effects of same concentraion ropivacaine, L-bupivacaine, bupivacaine on senile patients with hip joint operation by extradural blockage anesthesia.
目的观察相同浓度罗比卡因、左布比卡因、布比卡因用于老年患者髋关节手术硬膜外阻滞的效果和副作用。
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