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C-fiber-Selective Peripheral Nerve Blockade

机译:C纤维选择性周围神经阻滞

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Despite the clinical demand, current uses of local anesthetics do not allow selective blockade of nociceptive fibers. Regional anesthesia produces an analgesic effect accompanied with undesired side effects due to block of motor, non-nociceptive sensory and autonomic fibers. These side effects limit the clinical use of local anesthetics and affect the recovery and rehabilitation period after surgical procedures. Therefore one main goal of research in the field of regional anesthesia is selectively targeting nociceptive fibers. Recent studies describing the role of nociceptive specific sodium channels in generation and propagation of nociceptive signals make these channels ideal targets for pain selective blockade. In addition, novel methods of targeted delivery of charged local anesthetics selectively into nociceptors provide another potentially successful approach for c-fiber specific nerve block. This review summarizes currently on-going studies on several promising targets and methods to achieve pain selective anesthesia.
机译:尽管有临床需求,但是局部麻醉剂的当前使用不允许选择性阻断伤害感受纤维。由于运动,非伤害性感觉和自主神经纤维的阻滞,局部麻醉会产生止痛效果,并产生不良副作用。这些副作用限制了局部麻醉药的临床使用,并影响了外科手术后的恢复和康复期。因此,区域麻醉领域的主要研究目标是选择性靶向伤害性纤维。描述伤害性特定钠通道在伤害性信号产生和传播中的作用的最新研究使这些通道成为疼痛选择性阻滞的理想靶标。另外,靶向地将带电荷的局部麻醉剂选择性地传递到伤害感受器中的新方法为c纤维特异性神经阻滞提供了另一种潜在的成功方法。这篇综述总结了目前正在进行的有关实现疼痛选择性麻醉的几种有希望的目标和方法的研究。

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