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KMID : 0361420150390020226
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Journal of Korean Academy of Rehabilitation Medicine
2015 Volume.39 No. 2 p.226 ~ p.233
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Effect of Pneumatic Compressing Powered Orthosis in Stroke Patients: Preliminary Study
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Kim Eun-Sil
Yoon Yong-Soon
Sohn Min-Kyun
Choi Jong-Ho
Kwak Soo-Hyun
Oh Ji-Sun
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Abstract
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Objective: To evaluate the feasibility and effectiveness of a knee-ankle-foot orthosis powered by artificial pneumatic muscles (PKAFO).
Methods: Twenty-three hemiplegic patients (age, 59.6±13.7 years) were assessed 19.7±36.6 months after brain lesion. The 10-m walking time was measured as a gait parameter while the individual walked on a treadmill. Walking speed (m/s), step cycle (cycle/s), and step length (m) were also measured on a treadmill with and without PKAFO, and before and after gait training. Clinical parameters measured before and after gait training included Korean version of Modified Bathel Index (K-MBI), manual muscle test (MMT), and Modified Ashworth Scale (MAS) of hemiplegic ankle. Gait training comprised treadmill walking for 20 minutes, 5 days a week for 3 weeks at a comfortable speed.
Results: The 10-m walking time, walking speed, step length, and step cycle were significantly greater with PKAFO than without PKAFO, and after gait training (both p<0.05). K-MBI was improved after gait training (p<0.05), but MMT and MAS were not.
Conclusion: PKAFO may improve gait function in hemiplegic patients. It can be a useful orthosis for gait training in hemiplegic patients.
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KEYWORD
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Gait, Orthotic devices, Hemiplegia
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