【摘要】 目的 分析碳酸利多卡因应用于临床麻醉中的阻滞作用。方法 将40例疝修补手术病人随机分为A、B两组，每组20例，A组局麻药选择盐酸利多卡因，B组选碳酸利多卡因。围术期监测两组病人的麻醉起效时间、阻滞完善时间等项目。结果 B组麻醉起效时间、阻滞完善时间均优于A组(P<0.01)；其余项目无显著差异(P>0.05)。结论 临床麻醉(硬膜外麻醉)使用碳酸利多卡因，麻醉效果满意。但要注意其局麻药毒副作用的发生。

    【关键词】 利多卡因；碳酸盐类；麻醉

    【Abstract】 Objective To analyze the block action in clinical anaesthesia of lidocaine carbonates.Methods 40 patients with herniorrhaphy were allocated into two groups (A and B).Each one group had twenty patients.Peri-operational monitor in anaesthatic acting affecting time of group A made use of lidocaine hydrochloride and group B used lidocaine carbonate.Results Anaesthotic affect time of group B was significantly quicker than group A (P<0.01).There was no difference in other parametres between group A and B(P>0.05).Conclusion Lidocaine carbonate in clinical anaesthesia is satisfactory,but must be noticed to the side effects.

    【Key words】 lidocaine;carbonates;anaesthesia

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