期刊
JOURNAL OF NEURAL TRANSMISSION
卷 -, 期 -, 页码 -出版社
SPRINGER WIEN
DOI: 10.1007/s00702-023-02652-3
关键词
Vestibulocollic reflex; Vestibuloocular reflex; cVEMP; oVEMP; Essential tremor
This study used cVEMP and oVEMP tests to investigate the vestibulocollic and vestibuloocular reflex arcs and evaluate cerebellar and brainstem involvement in ET. The ET group showed higher pathological responses in oVEMP compared to the control group, suggesting that upper brainstem pathways may be more affected by ET.
This study utilized cervical vestibular-evoked myogenic potentials tests (cVEMP) and ocular vestibular-evoked myogenic potentials tests (oVEMP) to investigate the vestibulocollic and vestibuloocular reflex arcs and to evaluate cerebellar and brainstem involvement) in essential tremor (ET). Eighteen cases with ET and 16 age- and gender-matched healthy control subjects (HCS) were included in the present study. Otoscopic and neurologic examinations were performed on all participants, and both cervical and ocular VEMP tests were performed. Pathological cVEMP results were increased in the ET group (64.7%) compared to the HCS (41,2%; p > 0.05). The latencies of P1 and N1 waves were shorter in the ET group than in HCS (p = 0.01 and p = 0.001). Pathological oVEMP responses were significantly higher in the ET group (72.2%) compared to the HCS (37.5%; p = 0.01). There was no statistically significant difference in oVEMP N1-P1 latencies between groups (p > 0.05). Because the ET group had high pathological responses to the oVEMP, but not the cVEMP, the upper brainstem pathways may be more affected by ET.
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