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  • Title: Local muscle injection of botulinum toxin type a synergistically improves the beneficial effects of repetitive transcranial magnetic stimulation and intensive occupational therapy in post-stroke patients with spastic upper limb hemiparesis.
    Author: Yamada N, Kakuda W, Kondo T, Mitani S, Shimizu M, Abo M.
    Journal: Eur Neurol; 2014; 72(5-6):290-8. PubMed ID: 25323412.
    Abstract:
    BACKGROUND: The purpose of this study was to determine whether local injection of botulinum toxin type A (BoNT-A) into the spastic muscles has any added benefits to repetitive transcranial magnetic stimulation (RTMS)/occupational therapy (OT) in patients with spastic upper limb hemiparesis. METHODS: The study subjects of 80 post-stroke patients with spastic upper limb hemiparesis (age: 60.2 ± 13.0 years, time after stroke: 55.3 ± 43.0 months), were divided into the BoNT-A plus RTMS/OT group and RTMS/OT group. BoNT-A was injected into the spastic muscles (total dose: 240 units) before RTMS/OT. The latter included 12 sessions of 40 min RTMS over the non-lesional hemisphere and 240-min intensive OT daily over 15 days. Spasticity was evaluated by the modified Ashworth scale (MAS) and the motor function of the affected upper limb was evaluated serially with Fugl-Meyer Assessment and Wolf Motor Function Tests. RESULTS: Both groups showed significant improvements in spasticity and motor function. The addition of BoNT-A resulted in better improvement in FMA score and MAS of finger flexor muscles (p < 0.05). CONCLUSIONS: The triple-element protocol of local injection of BoNT-A into spastic finger muscles, RTMS and intensive OT, is a promising therapeutic program for post-stroke spastic upper limb hemiparesis, although its significance should be confirmed in randomized, placebo-controlled trials.
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