Success rate of motor evoked potentials for intraoperative neurophysiologic monitoring: Effects of age, lesion location, and preoperative neurologic deficits

被引：105

作者：

Chen, Xi ^{[1
]}

Sterio, Djordje ^{[1
]}

Ming, Xu ^{[1
]}

Para, Devaki D. ^{[1
]}

Butusova, Marri ^{[1
]}

Tong, Teresa ^{[1
]}

Beric, Aleksander ^{[1
]}

机构：

[1] NYU, Sch Med, Dept Neurol & Neurosurg, New York, NY USA

来源：

JOURNAL OF CLINICAL NEUROPHYSIOLOGY | 2007年 / 24卷 / 03期

关键词：

intraoperative monitoring; motor-evoked potential; cortical stimulation; compound muscle action potential;

D O I：

10.1097/WNP.0b013e31802ed2d4

中图分类号：

R74 [神经病学与精神病学];

学科分类号：

摘要：

Transcranial electrical stimulation with myogenic motor evoked potential (MEP) recording was used for intraoperative neurophysiologic monitoring in 341 consecutive "high-risk" neurosurgical or orthopedic procedures. Overall, the success rate for establishing reliable MEP response was 94.8% for upper extremities and 66.6% for lower extremities. The rate was only 39.1% for lower extremities in patients with preoperative motor deficit and up to 81% in neurologically intact adults. Further analysis demonstrated that extremes of age or the presence of a lesion in the spinal cord and motor deficit contributed to failure in obtaining reliable MEPs.

引用

页码：281 / 285

页数：5

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