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Bilateral Upper Limb Training With Functional Electric Stimulation in Patients With Chronic Stroke

Occupational Therapy Department, Kowloon Hospital, Hong Kong, Department of Health Technology and Informatics, The Hong Kong Polytechnic University

Raymond Kai-yu Tong, PhD

Department of Health Technology and Informatics, The Hong Kong Polytechnic University, k.y.tong{at}polyu.edu.hk

Kenneth Yiu-kwan Chung, MD

Rehabilitation Department, Kowloon Hospital, Hong Kong

Background. The recovery rate of upper limb function after stroke is poor when compared with independent walking. Therefore, effective methods are warranted for upper limb rehabilitation. Objective. The aim of this study was to investigate the effectiveness of functional electric stimulation (FES) with bilateral activities training on upper limb function. Methods. This study was a double-blinded randomized controlled trial. Twenty patients were recruited 6 months after the onset of stroke and completed 15 training sessions. Participants were randomly assigned to the FES group or to the control group. Each session consisted of stretching activities (10 minutes), FES with bilateral tasks (20 minutes), and occupational therapy treatment (60 minutes). The participants used a self-trigger mechanism, with an accelerometer as a motion detector, for generating an electric stimulation pattern that was synchronized with the bilateral upper limb activities during the training. The participants in the control group received the same duration of stretching and occupational therapy training except that they just received placebo stimulation with the bilateral tasks. The outcome measures included Functional Test for the Hemiplegic Upper Extremity (FTHUE), Fugl—Meyer Assessment (FMA), grip power, forward reaching distance, active range of motion of wrist extension, Functional Independence Measure, and Modified Ashworth Scale. Results. At baseline comparison, there was no significant difference in both groups. After 15 training sessions, the FES group had significant improvement in FMA (P = .039), FTHUE (P = .001), and active range of motion of wrist extension (P = .020) when compared with the control group. Conclusions. Bilateral upper limb training with FES could be an effective method for upper limb rehabilitation of stroke patients after 15 training sessions.

Key Words: Electric stimulation • Rehabilitation • Upper limb training

This version was published on May 1, 2009

Neurorehabilitation and Neural Repair, Vol. 23, No. 4, 357-365 (2009)
DOI: 10.1177/1545968308326428


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