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Is there a place for local anesthetics structurally different from classical amid or ester local anesthetics?

机译:局部麻醉药在结构上是否与传统的酰胺或酯类局部麻醉药不同?

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PURPOSE OF REVIEW: The aim of this review is to describe the pharmacology, toxicology and chemistry of the new group of local anesthetics of phenylcarbamic acid type. RECENT FINDINGS: Basic esters of alkoxysubstituted phenylcarbamic acid have shown high local anesthetic potency, while maintaining a relatively safe toxicity profile. Their potency uniquely increases with the decreasing pH of the external medium. This is of importance when using local anesthesics in inflamed tissues, where the action of common local anesthetics is often problematic. SUMMARY: The most potent phenylcarbamic anesthetics exceed the potency of the most common clinically used local anesthetics 100-300 times. Due to the unique pH dependency of these local anesthetics, further study of their action is required.
机译:审查的目的:这项审查的目的是描述新的苯氨基甲酸类局部麻醉药的药理学,毒理学和化学性质。最近的发现:烷氧基取代的苯基氨基甲酸酯的碱性酯显示出高的局麻药效力,同时保持了相对安全的毒性。它们的效力随外部培养基pH的降低而独特地增加。当在发炎的组织中使用局部麻醉药时,这一点很重要,因为在这种情况下,常见的局部麻醉药的作用经常会出现问题。简介:最有效的苯基氨基甲酸麻醉药的药效超过了临床上最常用的局部麻醉药的药效的100-300倍。由于这些局麻药具有独特的pH依赖性,因此需要对其作用进行进一步研究。

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