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相关概念视频

Local Anesthetics: Clinical Application as Intravenous Regional Anesthesia01:16

Local Anesthetics: Clinical Application as Intravenous Regional Anesthesia

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Intravenous regional anesthesia or the Bier block technique is used to anesthetize a specific limb or extremity. It uses exsanguinated or blood-drained vessels to transport local anesthetics or LAs to the peripheral nerve trunks. Lidocaine without vasoconstrictors like epinephrine is most commonly used for this technique. Other drugs used are prilocaine, ropivacaine, and chloroprocaine. Bupivacaine is not recommended for this technique due to its high cardiac toxicity.
One of the advantages of...
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相关实验视频

Updated: May 23, 2025

Surface Electromyographic Biofeedback as a Rehabilitation Tool for Patients with Global Brachial Plexus Injury Receiving Bionic Reconstruction
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在腕麻醉后的幻肢体体验.

Apolline Savarit1,2, Violeta Pellicer Morata1, Daniel Ma3,4

  • 1Department of Neurology, NYU Langone Health, New York, NY 10016, USA.

Brain communications
|March 7, 2025
PubMed
概括

幻肢感觉 (PLS) 在腕麻醉 (BPA) 诱导的临时脱差后迅速出现. 这项研究模拟了截肢者的PLS,揭示了感觉之前的自身感知变化.

关键词:
腕麻醉器 麻醉器 腕麻醉器皮层重组,皮层重组.神经可塑性 神经可塑性幻肢疼痛 幻肢疼痛 幻肢疼痛幻肢的感觉 幻肢的感觉

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科学领域:

  • 神经科学是一个神经科学.
  • 手术麻醉手术麻醉
  • 疼痛管理 疼痛管理

背景情况:

  • 幻肢感觉 (PLS) 和幻肢疼痛 (PLP) 影响数以百万计的截肢者,显著影响生活质量.
  • 一些上肢截肢患者的手对面重绘表明,在受伤后皮质重组.

研究的目的:

  • 在接受上肢手术的参与者中,分析腕麻醉 (BPA) 后幻肢感觉 (PLS) 的时间进程.
  • 为了研究潜在的皮质重组 (手对面重新绘制) 和BPA后的自身感知变化.

主要方法:

  • 39名接受计划的肩膀,手腕或手部手术的参与者在BPA后24小时内被监测PLS和改变的自身感知 (AP).
  • 参与者的四肢完好无损;通过唤起的反应来评估手对面重新映射.

主要成果:

  • 54%的参与者在BPA出现后立即报告了PLS.
  • 72%的人在手术后经历了改变的自身感知.
  • 在这个群体中,没有观察到或唤起PLP或面对面重绘.

结论:

  • 在BPA引起的暂时分离后,PLS迅速出现,成为截肢者永久分离的潜在模型.
  • 这项研究建立了BPA后感官变化的时间过程,增强了对幻肢现象起源的理解.