Antiseptic solutions for central neuraxial blockade: which concentration of chlorhexidine in alcohol should we use?

中枢神经阻滞时溶解于酒精中的防腐剂氯己定浓度多？

Although epidural anesthesia is a common practice in neuraxial blockade, difficult access to the epidural space is a frequent problem in operating theaters.

虽外阻断术是一种常用的区域麻醉，但在实施上却经常遭遇到困难。