VN LES REFLEXES VESTIBULO-COLLIQUES. VN NerfSpinal.

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Presentation transcript:

VN LES REFLEXES VESTIBULO-COLLIQUES

VN

NerfSpinal

Voies VESTIBULO-SPINALES

VN From CONTROL OF HEAD MOVEMENT Peterson B.W and Richmond F Oxford University press, 1988

VN

J. Neurophysiol. 77: , 1997

VN

Cross-striolar inhibition

VN

Vestibular evoked myogenic potentials in multiple sclerosis patients. 70 MS patients, retrospectively evaluated for: possible occurrence of: past and current brainstem and/or cerebellar symptoms or signs. Clin Neurophysiol 2002 Sep;113(9): Versino M, Colnaghi S, Callieco R, Bergamaschi R, Romani A, Cosi V. RESULTS: VEMPs were abnormal in 31%, BAEPs in 38% SVV in 21% Saccadic eye movements showed a possible brainstem dysfunction in 44.4%

VN Clinical study of vestibular-evoked myogenic potentials and auditory brainstem responses in patients with brainstem lesions. Itoh A, et al. Acta Otolaryngol Suppl 2001;545:116-9 Brainstem lesions using MRI 4 multiple sclerosis, 3 brainstem hemorrhage, 1 pontomedullary infarction, 4 Wallenberg's syndrome Middle brainstem lesions of the pons: ABR and VEMP abnormal. Medulla : ABR normal VEMP abnormal. Middle-to-lower brainstem lesions: a disappearance of VEMP, delay of PN wave, increase in PN interpeak latency decrease in PN amplitude on the affected side

VN Diagnostic value of prolonged latencies in the vestibular evoked myogenic potential. Murofushi T, Shimizu K, Takegoshi H, Cheng PW. Clinical records of 134 patients (61 men and 73 women, aged years) Diagnoses: Meniere disease in 43 patients, Acoustic neuroma in 62 patients, Vestibular neuritis in 23 patients, Multiple sclerosis in 6 patients. Arch Otolaryngol Head Neck Surg 2001 Sep;127(9):

VN Diagnostic value of prolonged latencies in the vestibular evoked myogenic potential. Murofushi T, Shimizu K, Takegoshi H, Cheng PW. VEMP were absent or decreased in 51% of patients with Meniere disease 39% with vestibular neuritis 77% with acoustic neuroma 25% with multiple sclerosis Arch Otolaryngol Head Neck Surg 2001 Sep;127(9):

VN Diagnostic value of prolonged latencies in the vestibular evoked myogenic potential. Murofushi T, Shimizu K, Takegoshi H, Cheng PW. Concerning latency, Meniere disease or vestibular neuritis: no latency prolongation. 4 patients with acoustic neuroma showed prolonged p13 all had large tumors. All patients with multiple sclerosis showed prolonged p13. CONCLUSIONS: Prolonged latencies of the VEMP suggest lesions in the retrolabyrinthine, especially in the vestibulospinal tract. Arch Otolaryngol Head Neck Surg 2001 Sep;127(9):

VN Vestibular evoked myogenic potentials in multiple sclerosis. Shimizu K, Murofushi T, Sakurai M, Halmagyi M. J Neurol Neurosurg Psychiatry 2000 Aug;69(2):276-7

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