Avaliação do equilíbrio em pacientes com doença de Parkinson por meio de exame de posturografia em unidade virtual

AUTOR(ES)

Lílian Saldanha Paiva

FONTE

IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia

DATA DE PUBLICAÇÃO

2011

RESUMO

Balance impairment and falls are disabling features of Parkinson s disease (PD) and clinical evaluation of postural stability remains difficult and imprecise. Among the devices currently available to assess balance, there is Balance Rehabilitation Unit (BRU), which consists in a virtual reality system to assess balance by posturography. The BRU provides quantitative measures of limits of stability (LOS), center of pressure (COP) and sway velocity (SV), in eleven different sensorial conditions, represented by the steps of the exam and these parameters are generated automatically by the BRU. As the BRU posturography may represent a new way to quantitatively assess the balance of people with Parkinson s disease and there are few studies that have explored the use of this device, this study evaluated 44 patients with PD and 76 healthy controls. The results are presented in an article, where are described the characteristics of the studied group (age, gender, disease duration, used medications and scores on UPDRS - Unified Parkinson s Disease Rating Scale, SE - Schwab and England Activities for Daily Living, and Hoehn and Yahr). The results of posturography are compared between PD patients and healthy controls. The findings of posturography in the studied group are related to performance in pull test, Hoehn and Yahr Stages and falls. Ultimately, it can be said that the use of a virtual reality system that recreates the environment of sensory stimulations and records the postural responses can be a useful tool for assessing the balance of patients with PD and can be useful to identify balance impairment even when those patients are not presenting this symptom clinically.

ASSUNTO(S)

doença de parkinson diagnóstico por computador equilíbrio postural

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