A randomized controlled trial of an implantable 2-channel peroneal nerve stimulator on walking speed and activity in poststroke hemiplegia

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Kottink, Anke I. and Hermens, Hermie J. and Nene, Anand V. and Tenniglo, Martin J. and Aa, Hans E. van der and Buschman, Hendrik P. and IJzerman, Maarten J. (2007) A randomized controlled trial of an implantable 2-channel peroneal nerve stimulator on walking speed and activity in poststroke hemiplegia. Archives of Physical Medicine and Rehabilitation, 88 (8). pp. 971-978. ISSN 0003-9993

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Abstract:Objective: To determine the effect of a new implantable 2-channel peroneal nerve stimulator on walking speed and daily activities, in comparison with the usual treatment in chronic stroke survivors with a drop foot. -
Design: Randomized controlled trial. -
Setting: All subjects were measured 5 times in the gait laboratory. -
Participants: Twenty-nine stroke survivors with chronic hemiplegia with drop foot who fulfill the predefined inclusion and exclusion criteria were included in the study. -
Intervention: The intervention group received an implantable 2-channel peroneal nerve stimulator for correction of their drop foot. The control group continued using their conventional walking device, consisting of an ankle-foot orthosis, orthopedic shoes, or no device. -
Main Outcome Measures: Walking speed, assessed both by a six-minute walk test (6MWT) and by using a 10-m walkway, was selected as primary outcome measure and activity monitoring data, consisting of percentage time spent on stepping, standing, and sitting/lying were selected as secondary outcome measure. -
Results: Functional electric stimulation (FES) resulted in a 23% improvement of walking speed measured with the 6MWT, whereas the improvement in the control group was only 3% (P=.010). Comfortable walking speed measured on a 10-m walkway was also significantly improved in favor of FES (P=.038). The percentage time spent on stepping deteriorated with 3% in the intervention and 0.8% in control group, which was not statistically significant between both groups (P=.13). -
Conclusions: The present study shows a clinically relevant effect of the implantable 2-channel peroneal nerve stimulator on walking speed in the sample of stroke survivors included in our study.
Item Type:Article
Faculty:
Electrical Engineering, Mathematics and Computer Science (EEMCS)
Management and Governance (SMG)
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Link to this item:http://purl.utwente.nl/publications/61945
Official URL:http://dx.doi.org/10.1016/j.apmr.2007.05.002
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