Ocular and cervical vestibular evoked myogenic potentials in response to bone-conducted vibration in patients with probable inferior vestibular neuritis

The Journal of Laryngology and Otology
Leonardo ManzariIan S Curthoys

Abstract

Previous evidence shows that the n10 component of the ocular vestibular evoked myogenic potential indicates utricular function, while the p13 component of the cervical vestibular evoked myogenic potential indicates saccular function. This study aimed to assess the possibility of differential utricular and saccular function testing in the clinic, and whether loss of saccular function affects utricular response. Following vibration conduction from the mid-forehead at the hairline, the ocular n10 component was recorded by surface electromyograph electrodes beneath both eyes, while the cervical p13-n23 component was recorded by surface electrodes over the tensed sternocleidomastoid muscles. Fifty-nine patients were diagnosed with probable inferior vestibular neuritis, as their cervical p13-n23 component was asymmetrical (i.e. reduced or absent on the ipsilesional side), while their ocular n10 component was symmetrical (i.e. normal beneath the contralesional eye). The sense organ responsible for the cervical and the ocular vestibular evoked myogenic potentials cannot be the same, as one response was normal while the other was not. Reduced or absent saccular function has no detectable effect on the ocular n10 component. On vibration ...Continue Reading

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Citations

Jan 23, 2014·Otology & Neurotology : Official Publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology·Ian S Curthoys, Leonardo Manzari
Apr 8, 2014·Clinical Neurophysiology : Official Journal of the International Federation of Clinical Neurophysiology·Neil P M Todd
Apr 8, 2014·Clinical Neurophysiology : Official Journal of the International Federation of Clinical Neurophysiology·Ian S Curthoys
Apr 24, 2014·Clinical and Experimental Pharmacology & Physiology·Ian S CurthoysHamish G MacDougall
Jul 8, 2014·Clinical Neurophysiology : Official Journal of the International Federation of Clinical Neurophysiology·Ian S Curthoys, Leonardo Manzari
Nov 15, 2017·Otology & Neurotology : Official Publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology·Julia Dlugaiczyk
Jan 23, 2014·Otology & Neurotology : Official Publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology·Leonel LuisErich Schneider
Nov 22, 2014·Otology & Neurotology : Official Publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology·Ashley ZaleskiMichael Cevette
Dec 21, 2012·Current Opinion in Neurology·Sally M Rosengren, Herman Kingma
Jun 12, 2018·Frontiers in Neurology·Ian S CurthoysLeonardo Manzari
Apr 9, 2021·Developmental Dynamics : an Official Publication of the American Association of Anatomists·Bruce B Riley

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