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Effect of Robot-Assisted Treadmill Training on Quality of Life for People with Multiple Sclerosis

by Hatcher, Mary Stillwell

Abstract (Summary)
The purpose of this pilot crossover study is to describe data on the effect of body-weight supported treadmill training (BWSTT) on quality of life (QoL) for people with MS. Thirteen men and women with gait impairment secondary to MS underwent two blocks of 6 biweekly BWSTT sessionsone block with a robot-driven gait orthotic and one block withoutwith a six-week washout period between the two training blocks. Subjects were stratified as high or low impairment and then randomized to a treatment order: robot-assisted then treadmill alone (RT) or treadmill alone then robot-assisted (TR). Quality of life was assessed before and after both training blocks by the Fatigue Severity Scale (FSS), the ten-scale Multiple Sclerosis Quality of Life Inventory (MSQLI), and a single life satisfaction (LS) item. The effect of treatment type was evaluated for clinical meaningfulness by standardized effect sizes and for statistical significance by repeated measures ANOVA comparing change during robot-assisted training blocks to change during unassisted training blocks. Additionally, standardized effect sizes and Student t-tests comparing baseline to endpoint data were used evaluate the overall effect on quality of life of both types BWSTT combined. Comparison of the two treatment types showed mixed results with slightly larger effect sizes on the scales favoring robot-assisted training. Overall change from baseline to the end of the second training block showed improvement in all QoL measures. Improvements were significant on scales assessing physical well being (PCS; p=0.025), fatigue (MFIS; p=0.020), pain (PES; p=0.029), perceived cognitive function (PDQ-5; p=0.018) and life satisfaction (LS; p=0.020). While this pilot study was not adequately powered to demonstrate a significant difference between robot-assisted and unassisted BWSTT on quality of life outcomes, its results suggest that robot-assisted BWSTT may provide some advantage over unassisted BWSTT. More generally, this study shows that both types of BWSTT may lead to diverse benefits in quality of life for people with gait function secondary to MS.
Bibliographical Information:

Advisor:Albert Lo

School:Yale University

School Location:USA - Connecticut

Source Type:Master's Thesis

Keywords:exercise therapy quality of life walking gait rehabilitation humans male female adult multiple sclerosis

ISBN:

Date of Publication:02/23/2009

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