Xu-zhong Xu

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OBJECTIVE To determine the median effective dose (ED50) of 2% lidocaine to control the onset time of sciatic nerve blockade within 15 min by using 2% lidocaine and 0.75% ropivacaine 10 ml. METHODS Fifty patients underwent sciatic nerve blockade and lumbar plexus blockade for operations of unilateral lower extremities. 2% lidocaine was allocated into 7(More)
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