Revista CEFAC
https://revistacefac.org.br/article/doi/10.1590/1982-0216/20232540423
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Galvanic vestibular stimulation to improve postural instability, voluntary attention, and quality of life in Parkinson's disease patients

Estimulação vestibular galvânica na melhora da atenção voluntária e da qualidade de vida em pacientes com doença de Parkinson e desequilíbrio corporal

Renata Cristina Cordeiro Diniz Oliveira; Ludimila Labanca; Paula Gabriela Zeferino Meireles; Maria Luiza Diniz; Anna Paula Batista de Àvila Pires; Jordana Carvalhais Barroso; Denise Utsch Gonçalves

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Abstract

Galvanic vestibular stimulation (GVS) influences body balance and has proved to be useful to improve patients’ mood, quality of life, and cognitive skills. This study aimed to present three cases of patients with Parkinson’s disease and postural instability who had been submitted to GVS to improve their balance, by assessing the impact of this intervention on their cognition, mood, and quality of life. Patients were assessed before and after GVS sessions concerning P300 latency and scores on the 15-item Geriatric Depression Scale (GDS-15) and the 39-item quality-of-life Parkinson’s Disease Questionnaire (PDQ-39). The three patients’ P300 latency improved, possibly indicating improved attention. Their PDQ-39 score also improved, possibly indicating a positive impact on their quality of life. Their GDS-15 score did not change before and after the intervention. None of the patients had any intervention side effects. This three-case experimental pilot study has shown that GVS is a safe method, possibly useful to improve attention and, therefore, the quality of life of patients presented with Parkinson’s disease.

Keywords

Parkinson Disease; Postural Balance; Mental Status and Dementia Tests; Quality of Life; Evoked Potentials

Resumo

A Estimulação Vestibular Galvânica (EVG) atua no equilíbrio corporal e tem se mostrado útil na melhora do humor, da qualidade de vida e de habilidades cognitivas. O objetivo deste estudo foi apresentar três casos de pacientes com doença de Parkinson e instabilidade postural que foram submetidos à EVG para melhorar o equilíbrio e avaliar o impacto dessa intervenção na cognição, no humor e na qualidade de vida. Os pacientes foram avaliados antes e após as sessões de EVG quanto a latência do potencial evocado P300, pontuação na escala de depressão geriátrica de 15 itens (EDG-15) e pelo questionário de qualidade de vida na doença de Parkinson de 39 itens (PDQ-39). Os três pacientes apresentaram melhora na latência do P300, indicando possível melhora na atenção. Apresentaram melhora na pontuação do PDQ39, indicando possível impacto positivo na qualidade de vida. A pontuação na EDG-15 não modificou antes e após a intervenção. Nenhum paciente apresentou efeitos colaterais decorrentes da intervenção. Com base neste estudo piloto experimental de três casos, a EVG mostrou-se um método seguro e possivelmente útil para melhorar a atenção e, consequentemente, a qualidade de vida de pacientes com doença de Parkinson.

Palavras-chave

Doença de Parkinson; Equilíbrio Postural; Testes de Estado Mental e Demência; Qualidade de Vida; Potenciais Evocados

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Submetido em:
28/01/2023

Aceito em:
12/06/2023

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