• Neuroscience letters · Feb 2004

    Randomized Controlled Trial Clinical Trial

    Repetitive transcranial magnetic stimulation of the motor cortex attenuates pain perception in complex regional pain syndrome type I.

    • Burkhard Pleger, Frank Janssen, Peter Schwenkreis, Birgit Völker, Christoph Maier, and Martin Tegenthoff.
    • Department of Neurology, Ruhr-University Bochum, BG-Kliniken Bergmannsheil, Buerkle-de-la-Camp-Platz 1, D-44789 Bochum, Germany. burkhard.v.pleger@ruhr-uni-bochum.de
    • Neurosci. Lett. 2004 Feb 12; 356 (2): 87-90.

    AbstractIn complex regional pain syndrome (CRPS) many clinical symptoms suggest involvement of the central nervous system. Neuropathic pain as the leading symptom is often resistant to therapy. In the present study we investigated the analgesic efficiency of repetitive transcranial magnetic simulation (rTMS) applied to the motor cortex contralateral to the CRPS-affected side. Seven out of ten patients reported decreased pain intensities. Pain relief occurred 30 s after stimulation, whereas the maximum effect was found 15 min later. Pain re-intensified increasingly 45 min after rTMS. In contrast, sham rTMS did not alter pain perception. These findings provide evidence that in CRPS I pain perception can be modulated by repetitive motor cortex stimulation.

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