Archives of physical medicine and rehabilitation · 2004
Reliance on visual information after stroke. Part II: Effectiveness of a balance rehabilitation program with visual cue deprivation after stroke: a randomized controlled trial.
Клиническое исследованиеСтатьяРандомизированное исследованиеНазвание и аннотация: Перевод в очереди
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Bonan Isabelle V, Yelnik Alain P, Colle Florence M, Michaud Carole, Normand Emanuelle, Panigot Benedicte, Roth Philippe, Guichard Jean P, Vicaut Eric
Аннотация
OBJECTIVE: To test the hypothesis that balance rehabilitation with visual cue deprivation improves balance more effectively than rehabilitation with free vision.
DESIGN: Single-blind, randomized controlled trial.
SETTING: Public rehabilitation center in France.
PARTICIPANTS: Twenty patients with hemiplegia after a single-hemisphere stroke that occurred at least 12 months before the study.
INTERVENTION: Patients were randomly assigned to 1 of 2 balance rehabilitation programs-with and without visual cue deprivation. In all other respects, the programs were identical. Each lasted for 1 hour and was implemented 5 days a week for 4 weeks. All patients completed the program. Mean outcome measures Balance under 6 sensory conditions was assessed by computerized dynamic posturography (EquiTest), gait velocity, timed stair climbing, and self-assessment of ease of gait before and after program completion.
RESULTS: After completing the program, balance, gait velocity, and self-assessment of gait improved significantly in all patients. The improvements in gait velocity (P= .03) and timed stair climbing (P= .01) correlated significantly with improved balance. Balance improved more in the vision-deprived group than in the free-vision group.
CONCLUSIONS: Balance improved more after rehabilitation with visual deprivation than with free vision. Visual overuse may be a compensatory strategy for coping with initial imbalance exacerbated by traditional rehabilitation.
DESIGN: Single-blind, randomized controlled trial.
SETTING: Public rehabilitation center in France.
PARTICIPANTS: Twenty patients with hemiplegia after a single-hemisphere stroke that occurred at least 12 months before the study.
INTERVENTION: Patients were randomly assigned to 1 of 2 balance rehabilitation programs-with and without visual cue deprivation. In all other respects, the programs were identical. Each lasted for 1 hour and was implemented 5 days a week for 4 weeks. All patients completed the program. Mean outcome measures Balance under 6 sensory conditions was assessed by computerized dynamic posturography (EquiTest), gait velocity, timed stair climbing, and self-assessment of ease of gait before and after program completion.
RESULTS: After completing the program, balance, gait velocity, and self-assessment of gait improved significantly in all patients. The improvements in gait velocity (P= .03) and timed stair climbing (P= .01) correlated significantly with improved balance. Balance improved more in the vision-deprived group than in the free-vision group.
CONCLUSIONS: Balance improved more after rehabilitation with visual deprivation than with free vision. Visual overuse may be a compensatory strategy for coping with initial imbalance exacerbated by traditional rehabilitation.