• Neurol. Sci. · Aug 2010

    Multicenter Study

    Multicenter study report: electrophysiological monitoring procedures for subthalamic deep brain stimulation surgery in Parkinson's disease.

    • Sara Marceglia, Simona Mrakic-Sposta, Giorgio Tommasi, Luigi Bartolomei, Camillo Foresti, Franco Valzania, Salvatore Galati, Alessandro Stefani, Filippo Tamma, Alberto Priori, and DBS Study Group of The Italian Neurological Society.
    • Department of Neurological Sciences, Clinical Center for Neuronanotechnology and Neurostimulation, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, University of Milan, Via Francesco Sforza 35, 20122, Milan, Italy.
    • Neurol. Sci. 2010 Aug 1;31(4):449-57.

    AbstractDespite the wide diffusion of subthalamic deep brain stimulation (STN-DBS) for Parkinson's disease, systematic practical recommendations for intraoperative electrophysiological monitoring are still lacking. In this paper, a shared protocol for intraoperative electrophysiological monitoring arising from the meetings of a panel of neurophysiologists of the DBS Study Group of the Italian Neurological Society is proposed. Intraoperative monitoring is composed by microrecordings and functional stimulation. In microrecordings, it is recommended to use at least 2-3 electrodes, descending with steps of 0.5-1 mm and waiting at least 60 s before changing the position. Functional stimulation is used to assess the clinical efficacy and the side effects induced by STN-DBS at different positions. Based on the therapeutic window, an algorithm to find the optimal target is proposed. The procedures for intraoperative monitoring for STN-DBS proposed here are safe, relatively cheap, take approximately 30-40 min per side and could offer valuable additional information to the surgeon.

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