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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

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...

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相关实验视频

Updated: Jul 18, 2026

Nerve Excitability Assessment in Chemotherapy-induced Neurotoxicity
07:42

Nerve Excitability Assessment in Chemotherapy-induced Neurotoxicity

Published on: April 26, 2012

在麻风患者中神经功能损伤的临床预测规则.

R P Croft1, P G Nicholls, E W Steyerberg

  • 1The Danish-Bangladesh Leprosy Mission, Nilphamarl, Bangladesh. richard@crofts32.freeserve.co.uk

Lancet (London, England)
|May 23, 2000
PubMed
概括

一项新的预测规则确定了麻风患者在化疗后面临神经功能障碍 (NFI) 的风险. 该工具有助于规划有针对性的监控,以防止NFI的残疾.

科学领域:

  • 热带医学是一种热带医学.
  • 临床流行病学临床流行病学
  • 麻风病的研究研究.

背景情况:

  • 神经功能障碍 (NFI) 是麻风患者残疾的主要原因,通常发生在化疗后.
  • 目前的监测策略可能无法充分识别患有延迟NFI风险的患者.
  • 需要一个简单的临床预测规则来估计NFI风险.

研究的目的:

  • 开发和验证一个简单的临床预测规则,用于估计神经功能障碍 (NFI) 在新的麻风病例中的风险.
  • 为指导化疗后患者监测的持续时间和强度.

主要方法:

  • 在孟加拉国2年内对2510名新的麻风患者进行了前性队列研究.
  • 多变量考克斯比例危险回归确定了NFI的预测变量.
  • 使用引导重新抽样评估的内部有效性;通过一致性统计测量辨别能力.

主要成果:

  • 在2510名患者中,166名患者在2年内发展出NFI.
  • 开发了一个使用麻风群 (paucibacillary [PB]或multibacillary [MB]) 和基线神经功能状态的预测规则.
  • 没有神经功能损失的PB的NFI风险从1.3%到神经功能损失的MB的65%.

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Determining the Functional Status of the Corticospinal Tract Within One Week of Stroke
09:10

Determining the Functional Status of the Corticospinal Tract Within One Week of Stroke

Published on: February 22, 2020

A Preclinical Controlled Cortical Impact Model for Traumatic Hemorrhage Contusion and Neuroinflammation
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A Preclinical Controlled Cortical Impact Model for Traumatic Hemorrhage Contusion and Neuroinflammation

Published on: June 10, 2020

相关实验视频

Last Updated: Jul 18, 2026

Nerve Excitability Assessment in Chemotherapy-induced Neurotoxicity
07:42

Nerve Excitability Assessment in Chemotherapy-induced Neurotoxicity

Published on: April 26, 2012

Determining the Functional Status of the Corticospinal Tract Within One Week of Stroke
09:10

Determining the Functional Status of the Corticospinal Tract Within One Week of Stroke

Published on: February 22, 2020

A Preclinical Controlled Cortical Impact Model for Traumatic Hemorrhage Contusion and Neuroinflammation
06:50

A Preclinical Controlled Cortical Impact Model for Traumatic Hemorrhage Contusion and Neuroinflammation

Published on: June 10, 2020

结论:

  • 开发的预测规则有效地按NFI风险对麻风患者进行分层.
  • 低风险患者需要在化疗后进行监测 (6个月),中等风险患者需要1年,高风险患者需要2年.
  • 这一规则改进了当前的建议,通过将高风险患者的监测延长到治疗结束后.