期刊
CLINICAL NEUROLOGY AND NEUROSURGERY
卷 191, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.clineuro.2020.105689
关键词
Chiari malformation; Idiopathic scoliosis; Motor evoked potentials; Scoliosis; Somatosensory evoked potentials; Syringomyelia
资金
- Natural Science Foundation of Youth Fund Projects of Jiangsu Province [BK20170126]
- Funding for the Postdoctoral Science Foundation of China [2017M610323]
- Jiangsu Province Postdoctoral Research Funding Scheme [1701018C]
Objectives: To analyze the somatosensory evoked potentials (SEPs) and motor evoked potentials (MEPs) in neurologically asymptomatic Chiari malformation-associated scoliosis (CMS) patients with and without syringomyelia as compared with those in idiopathic scoliosis (IS) ones, and to identify whether the deformities have impacts on the neurophysiological monitoring. Patients and methods: This study included neurologically asymptomatic CMS patients undergoing posterior correction surgery between January 2010 and January 2016. IS patients were involved as control group and a subgroup of age- and height-matched IS patients were selected. The age, standing height and Cobb angles of main curve were measured. The SEPs latency and amplitude, MEPs amplitude, and the rate of abnormal SEPs pathologic change were compared between CMS and IS patients using independent-sample t-test and Chi-square test. Results: Sixty CMS patients and 210 IS patients were included. There was no difference between CMS patients and IS or matched IS patients in SEPs latency and amplitude, MEPs amplitude or rate of abnormal SEPs (p > 0.05). Forty-eight CMS patients concurrent with syringomyelia were associated with higher Cobb angle of main curve and lower SEPs amplitude than those without syringomyelia (p < 0.05). No significant difference was found between CMS patients with and without syringomyelia in age, height, SEPs latency, MEPs amplitude or rate of abnormal SEPs (p > 0.05). Conclusion: Neurologically asymptomatic CMS patients showed similar absolute values of neurophysiological monitoring with IS patients. The syringomyelia in CMS indicated more severe curvature and lower SEPs amplitude even after posterior fossa decompression.
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