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  • Title: Effects of radial extracorporeal shockwave therapy on spasticity of upper-limb agonist/antagonist muscles in patients affected by stroke: a randomized, single-blind clinical trial.
    Author: Li G, Yuan W, Liu G, Qiao L, Zhang Y, Wang Y, Wang W, Zhao M, Wang Y, Wang J.
    Journal: Age Ageing; 2020 Feb 27; 49(2):246-252. PubMed ID: 31846499.
    Abstract:
    BACKGROUND: the effects of radial extracorporeal shock wave therapy (rESWT) were assessed on agonist/antagonist muscles in stroke patients with elbow spasticity, the duration of effects and influence on function. METHODS: patients were randomly assigned into groups: control (A, n = 25), rESWT on agonist muscles (B, n = 27) and rESWT on antagonist muscles (C, n = 30) groups. Conventional physical therapy was given to three groups for 3 weeks, six times a week, and besides, rESWT was given at 4-day intervals for five consecutive treatments, B received rESWT on agonist muscles and C received rESWT on antagonist muscles. The primary outcome was Modified Ashworth Scale (MAS) scores. Modified Tardieu Scale, Visual Analogue Scale (VAS), Fugl-Meyer Assessment and swelling scale (SS) scores were secondary outcomes. Indicators were assessed at baseline, after five treatments and after 4 weeks follow-up. RESULTS: the rate of treatment was determined by changes in MAS, which was 16.0 (A), 70.4 (B) and 63.3% (C) after rESWT treatments, and was 24.0 (A), 74.1 (B) and 66.7% (C) after 4 weeks follow-up. Improvements were achieved for R1 (P < 0.01), R2 (P < 0.01) and VAS (P < 0.01) after five rESWT interventions. At 4 weeks, significant improvements were achieved for R1 (P < 0.01) and VAS (P < 0.01). CONCLUSIONS: rESWT is an effective therapy for spasticity after stroke, with lasting effects on both agonist and antagonist muscles after 4 weeks. rESWT relieved pain but had no effect on active function or swelling of the upper limbs.
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