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Journal of stroke and cerebrovascular diseases : the official journal of National Stroke Association v.27 no.1, 2018년, pp.185 - 191   SCIE
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Enhancement of Motor Recovery through Left Dorsolateral Prefrontal Cortex Stimulation after Acute Ischemic Stroke

Oveisgharan, Shahram    (Address correspondence to Shahram Oveisgharan, MD, Rush Alzheimer's Disease Center, Rush University Medical Center, 1750 W Harrison, Suite 1000, Chicago, IL 60660.  ); Organji, Hosein   Ghorbani, Askar  
  • 초록  

    Background Two previous studies, which investigated transcranial direct current stimulation (tDCS) use in motor recovery after acute ischemic stroke, did not show tDCS to be effective in this regard. We speculated that additional left dorsolateral prefrontal cortex (DLPFC) stimulation may enhance poststroke motor recovery. Methods In the present randomized clinical trial, 20 acute ischemic stroke patients were recruited. Patients received real motor cortex (M1) stimulation in both arms of the trial. The 2 arms differed in terms of real versus sham stimulation over the left DLPFC. The motor component of the Fugl-Meyer upper extremity assessment (FM) and Action Research Arm Test (ARAT) scores were used to assess primary outcomes, and nonlinear mixed effects models were used for data analyses. Results Primary outcome measures improved more and faster among the real stimulation group. During the first days of stimulations, the sham group's FM scores increased by 1.2 per day, while the real group's scores increased by 1.7 per day ( P = .003). In the following days, FM improvement decelerated in both groups. Based on the derived models, a stroke patient with a baseline FM score of 15 improves to 32 in the sham stimulation group and to 41 in the real stimulation group within the first month after stroke. Models with ARAT scores yielded nearly similar results. No significant adverse effect was reported. Conclusion The current study results showed that left DLPFC stimulation in conjunction with M1 stimulation resulted in better motor recovery than M1 stimulation alone.


  • 주제어

    Transcranial direct current stimulation .   acute ischemic stroke .   function recovery .   rehabilitation.  

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