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相关概念视频

Local Anesthetics: Differential Sensitivity of Nerve Fibers01:24

Local Anesthetics: Differential Sensitivity of Nerve Fibers

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Local anesthetics (LAs) block the sodium channels of nerve trunks, sensory nerve endings, and neuromuscular junctions. Although LAs can block all kinds of nerves, the sensitivity of nerve fibers differs according to nerve types and structures. LAs are known to block myelinated fibers faster than unmyelinated ones. Also, they block pain or sensory neurons at low concentrations without affecting the motor neurons involved in muscle contractions. This helps relieve labor pain without affecting the...
772

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小纤维神经病变 小纤维神经病变

Dennis Kool1, Janneke Gj Hoeijmakers1, Stephen G Waxman2

  • 1Department of Neurology, Mental Health and Neuroscience Research Institute, Maastricht University Medical Center+, Maastricht, Netherlands.

International review of neurobiology
|November 23, 2024
PubMed
概括

小纤维神经病变 (SFN) 影响小神经纤维,导致灼热疼痛和自主功能障碍. 研究正在探索这种复杂疾病的遗传联系和改进的诊断方法.

关键词:
行动标准 行动标准自主性的功能障碍.贝斯塔的标准是最好的标准.道病变是一种通道病变.神经病变性疼痛 神经病变性疼痛没有感觉,没有感觉.疼痛管理 疼痛管理定量性感官测试是一种定量性的感官测试.这就是SCN基因.皮肤活检皮肤活检小纤维神经病变 小纤维神经病变

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科学领域:

  • 神经学 神经学
  • 疼痛医学 医学 疼痛医学
  • 遗传学 遗传学 是一个

背景情况:

  • 小纤维神经病变 (SFN) 涉及薄髓化Aδ和非髓化C纤维的损伤.
  • 它越来越被认为是神经病痛的原因,通常表现为四肢灼热感.
  • SFN也可以表现为自主功能障碍,由于自主神经系统中小神经纤维的参与.

研究的目的:

  • 为提供关于小纤维神经病变的深入概述.
  • 讨论当前的诊断标准和需要更容易获得的方法.
  • 探索SFN的潜在病理生理学,相关条件和治疗策略.

主要方法:

  • 对SFN的临床特征和诊断方法的审查.
  • 检查病理生理学,包括遗传见解,如通道病变.
  • 讨论与SFN相关的各种潜在条件.

主要成果:

  • 在试验中,SFN诊断通常依赖于Besta标准 (皮肤活检,定量感官测试) 或ACTION标准.
  • 病理生理学是复杂的,并未完全理解,阻碍治疗的发展.
  • 遗传管病变正在成为SFN机制的关键见解,揭示了与其他管病变的重叠.

结论:

  • SFN是一种复杂的神经病痛障碍,具有多种潜在原因.
  • 当前的诊断方法可能具有挑战性,需要研究更简单的技术.
  • 了解像通道病症这样的遗传因素对于推进SFN诊断和治疗至关重要.