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  • Title: Can SSEP results predict functional recovery of stroke patients within the "therapeutic window"?
    Author: Tzvetanov P, Milanov I, Rousseff RT, Christova P.
    Journal: Electromyogr Clin Neurophysiol; 2004; 44(1):43-9. PubMed ID: 15008025.
    Abstract:
    OBJECTIVES: To investigate the prognostic value of median somatosensory evoked potentials (mSSEP) within the "therapeutic window" of ischemic stroke. MATERIALS AND METHODS: Twenty-two patients (mean age 60.8 +/- 14.8 years) with first ischemic stroke in middle cerebral artery territory without contraindications for thrombolysis underwent mSSEP investigation within 3 hours of onset. Stroke topography was verified within 48 hours by computed tomography. M-SSEP results (presence, amplitude and amplitude ratio, latency and central conduction time) were compared to severity of motor deficit at onset and to recovery at 6 months. RESULTS: M-SSEP were present in 17 patients, 7 of whom had partial and 10--complete motor recovery. Absence of mSSEP was found in 5 persons. None recovered function of the arm and only 2 were ambulatory at 6 months. CONCLUSIONS: In the earliest phase of ischemic stroke absence of mSSEP response is reliable predictor of poor functional outcome.
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