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Relationship of Vertigo and Postural Instability in Patients With Vestibular Schwannoma
Clinical and Experimental Otorhinolaryngology ; : 102-108, 2018.
Artigo em Inglês | WPRIM | ID: wpr-715301
ABSTRACT

OBJECTIVES:

Growth of vestibular schwannomas (VS) causes progressive vestibular symptoms and postural instability. Since the tumor grows slowly, compensation of decaying vestibular input may decrease subjective symptoms of dizziness. This study aims to estimate the relationship of subjective vestibular symptoms and objective postural instability in patients with VS.

METHODS:

A retrospective review of 18 patients newly diagnosed with VS and with subjective vertigo symptoms was performed. The results of vestibular function tests including the sensory organization test (SOT) using computerized dynamic posturography, caloric test, and self-report measures of subjective dizziness handicap (Dizziness Handicap Inventory) and visual analogue scale were compared according to the onset of vertigo symptoms.

RESULTS:

In VS patients, SOT showed decreased equilibrium score for all vestibular function related conditions, condition (C) 5 and 6, and composite (COMP) score. COMP scores were not correlated with visual analogue scale or Dizziness Handicap Inventory scores. Acute onset group included six patients and insidious onset group, 12 patients. Equilibrium scores for C5 and C6, and COMP scores were lower for insidious onset group, but the difference was not statistically significant.

CONCLUSION:

Our findings confirmed postural instability is prevalent in VS patients. SOT parameters did not differ significantly between acute onset and insidious onset groups, but increased tumor size and canal weakness were noted in the insidious onset group. Clinicians should consider that postural instability is likely present even in patients who do not complain of acute vertigo, and appropriate counseling should be discussed with the patients.
Assuntos

Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Testes de Função Vestibular / Testes Calóricos / Vertigem / Neuroma Acústico / Estudos Retrospectivos / Aconselhamento / Compensação e Reparação / Tontura / Equilíbrio Postural Tipo de estudo: Estudo observacional Limite: Humanos Idioma: Inglês Revista: Clinical and Experimental Otorhinolaryngology Ano de publicação: 2018 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Testes de Função Vestibular / Testes Calóricos / Vertigem / Neuroma Acústico / Estudos Retrospectivos / Aconselhamento / Compensação e Reparação / Tontura / Equilíbrio Postural Tipo de estudo: Estudo observacional Limite: Humanos Idioma: Inglês Revista: Clinical and Experimental Otorhinolaryngology Ano de publicação: 2018 Tipo de documento: Artigo