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Bilateral posterior semicircular canal dysfunction: a new finding with video head impulse test

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dc.contributor.author Lerchundi, Florencia
dc.contributor.author Laffue, Alfredo Hernan
dc.contributor.author Olivier, Marina
dc.contributor.author Gualtieri, Francisco José
dc.date.accessioned 2020-12-17T14:45:00Z
dc.date.available 2020-12-17T14:45:00Z
dc.date.issued 2020-07
dc.identifier.citation Lerchundi, F., Laffue, A.H., Olivier, M., Gualtieri, F.J., 2020. Bilateral posterior semicircular canal dysfunction: a new finding with video head impulse test. J Neurol. https://doi.org/10.1007/s00415-020-09793-5 en_US
dc.identifier.uri https://doi.org/10.1007/s00415-020-09793-5
dc.identifier.uri https://repositorio.fleni.org.ar/handle/123456789/272
dc.description.abstract Development of the video head impulse test (vHIT) assessing all three semicircular canals in both labyrinths has uncovered the existence of new vestibular failure patterns and made bilateral posterior canal dysfunction detection possible. We conducted a retrospective analysis of 41 patients with bilateral posterior semicircular canal failure and compared results to 37 controls, with normal posterior semicircular canal function. Mean calculated gain showed significant difference between patients and controls in right [0.54 (SD 0.016)] and left [0.57 (SD 0.014)] posterior semicircular canals. There was a peak in prevalence between 71 and 80 years. Presentation was chronic in 78% of patients, and gait instability was the most common complaint. Sixty eight percent of cases were classified as idiopathic. Significant difference between groups was seen regarding the presence of Meniere's disease, presbycusis, and positional down-beat nystagmus (posDBN). This new vHIT pattern is most often seen in elderly patients, mainly of idiopathic etiology and presents together with sensorineural hearing loss and posDBN. Our findings suggest idiopathic cases may well contribute to the so-called "presbyastasis". en_US
dc.language.iso eng en_US
dc.publisher Springer-Verlag en_US
dc.rights info:eu-repo/semantics/openAccess
dc.rights.uri https://creativecommons.org/licenses/by/2.5/ar/
dc.subject Vestibular Neuronitis en_US
dc.subject Neuronitis Vestibular en_US
dc.subject Head Impulse Test en_US
dc.subject Prueba de Impulso Cefálico en_US
dc.title Bilateral posterior semicircular canal dysfunction: a new finding with video head impulse test en_US
dc.type info:eu-repo/semantics/publishedVersion
dc.type info:eu-repo/semantics/article en_US
dc.description.fil Fil: Gualtieri, Francisco José. Fleni. Departamento de Neurología. Sección de Neurootología; Argentina.
dc.description.fil Fil: Lerchundi, Florencia. Fleni. Departamento de Neurología. Sección de Neurootología; Argentina.
dc.description.fil Fil: Laffue, Alfredo Hernán. Fleni. Departamento de Neurología. Sección de Neurootología; Argentina.
dc.description.fil Fil: Olivier, Marina. Fleni. Departamento de Neurología. Sección de Neurootología; Argentina.
dc.relation.ispartofVOLUME 267
dc.relation.ispartofNUMBER 8
dc.relation.ispartofPAGINATION 2347-2352.
dc.relation.ispartofCOUNTRY Alemania
dc.relation.ispartofCITY Berlin
dc.relation.ispartofTITLE Journal of Neurology
dc.relation.ispartofISSN 1432-1459
dc.type.snrd info:ar-repo/semantics/artículo es_ES


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