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Recovery Phase Spontaneous Nystagmus, Its Existence and Clinical Implication
Journal of Audiology & Otology ; : 33-38, 2019.
Artigo em Inglês | WPRIM | ID: wpr-740351
ABSTRACT
BACKGROUND AND

OBJECTIVES:

Determination of the lesion side based on the direction of the nystagmus could result in confusions to the clinicians due to mismatch between the vestibular function tests and also between vestibular and audiologic features. To minimize these mistakes, we elucidated the clinical manifestation and vestibular function test results in cases with recovery spontaneous nystagmus (rSN). SUBJECTS AND

METHODS:

Patients who visited ENT clinic of tertiary referral hospital for acute onset continuous vertigo from January 2008 to December 2011 were enrolled. In these patients, we assessed onset time of vertigo, time point of paralytic spontaneous nystagmus (SN) and time point of rSN. At each time point of SN, vestibular function tests and hearing function tests were performed.

RESULTS:

We confirmed the rSN among patients with unilateral vestibulopathy and demonstrated that high gain of the rotatory chair test (slow harmonic acceleration) and/or mismatch of the SN direction and contralateral caloric weakness could indicate the recovery state of patients and nystagmus observed in this stage is recovery phase nystagmus.

CONCLUSIONS:

In acute vestibulopathy patients, recovery phase nystagmus was observed and on this stage of disease vestibular function tests shows several features that could predict recovery state.
Assuntos

Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Testes de Função Vestibular / Vertigem / Centros de Atenção Terciária / Audição Limite: Humanos Idioma: Inglês Revista: Journal of Audiology & Otology Ano de publicação: 2019 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Testes de Função Vestibular / Vertigem / Centros de Atenção Terciária / Audição Limite: Humanos Idioma: Inglês Revista: Journal of Audiology & Otology Ano de publicação: 2019 Tipo de documento: Artigo