Avaliação do equilíbrio em pacientes hemiparéticos após acidente vascular encefálico / Balance evaluation in hemiparetic stroke patients

AUTOR(ES)

Clarissa Barros de Oliveira

DATA DE PUBLICAÇÃO

2008

RESUMO

Abnormal balance after stroke can be a consequence of changes in motor, sensory and integrative aspects of motor control. The aims of this study were to describe balance impairments in hemiparetic patients with ischemic strokes in the last 12 months compared to healthy subjects, and to correlate observational scores (Berg Balance Scale and balance subscale of the Fugl-Meyer assessment scale) and laboratory measurements (results of the Computerized Dynamic Posturography CDP) in the stroke group. The Sensory Organization Test and the Motor Control Test were performed in PDC. Twenty-one patients were evaluated. They had high functional levels (evaluated with the Barthel Index and with the Functional Ambulatory Category, FAC), mild neurological deficits (evaluated with the National Institutes of Health Stroke Scale, NIHSS) and mild sensory and motor impairment in the lower limbs (evaluated with the motor subscale of the Fugl-Meyer assessment scale). Patients had lower scores than healthy volunteers in all balance evaluations. CDP results showed worse visual and vestibular integration in the stroke group compared to healthy subjects. Weight and strength asymmetries in the lower limbs were greater in the stroke group. Only CDP results were significantly correlated with ankle dorsiflexion and proprioception. The Barthel Index correlated significantly with balance scales but not with PDC results. FAC and the motor subscale of the Fugl-Meyer assessment scale correlated significantly with all types of balance assessment. NIHSS scores did not correlate with observational scores or CDP results. The three instruments of balance evaluation were significantly correlated with each other and with history of falls after stroke. Information provided by CDP contributed to better characterize balance abnormalities in hemiparetic stroke patients.

ASSUNTO(S)

postura avaliação accidental falls stroke/rehabilitation posture acidente cerebral vascular/reabilitação acidentes por quedas paresis evaluation musculoskeletal equilibrium paresia equilíbrio musculosquelético

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