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神经外科三神经映射中的陷:意想不到的运动反应的奥秘

Jose David Siado Mosquera¹, Ana Mirallave Pescador^2,3, Alba Diaz Baamonde^2,3

¹Department of Clinical Neurophysiology, Queen's Hospital, Barking Havering and Redbridge NHS Trust, London, United Kingdom.

Journal of neurological surgery. Part B, Skull base

|March 11, 2026

概括

在手术期间准确地绘制三神经 (TN) 图,需要仔细选择电流. 低刺激电流可能导致误导性的反射反应,使手术内神经生理学监测复杂化.

科学领域:

神经外科神经外科
神经生理学神经生理学
神经映射神经映射

背景情况:

术内神经生理测绘有助于在高风险手术期间识别三角神经 (TN).
低刺激电流可以触发反射反应,可能会混监测的解释.

研究的目的:

根据不同的刺激强度对TN反应进行分类.
在外科手术中识别刺激模式并澄清响应特征.
提高手术内TN映射的准确性.

主要方法:

研究了涉及TN暴露的七个大脑角 (CP) 角手术病例.
在TN (0.054 mA) 应用集中式双极刺激.
记载了由头骨神经V,VII,IX,X,XI和XII刺激的肌肉的反应.

主要成果:

低刺激电流 (<0.5 mA) 经常会在下和面部内化肌肉中引起反射反应.
这些反射反应比低电流时的运动反应更常见.

结论:

推从0.05mA开始的刺激方案,增加至至少1mA或直到观察到TN内化肌肉反应.
这一协议有助于避免在CP角度手术期间误解非TN内化肌肉中的反射反应.

关键词:

大脑干的反射反应头骨神经的绘制图.三角神经的反射反应三胞胎神经疼痛三胞胎神经疼痛

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