Summary
The aim of the study was to evaluate the changes in regional cerebral metabolic rate of glucose (rCMRGlu) induced by bilateral subthalamic nucleurs (STN) stimulation in advanced Parkinson’s disease (PD). 18F-Fluorodeoxyglucose (FDG) PET data obtained before and one month after stimulation were analyzed with statistical parametric mapping (SPM). As a result of clinically effective bilateral STN stimulation, rCMRGlu increased in lateral globus pallidus (GP), upper brain stem, dorsolateral prefrontal cortex (DLPFC) and posterior parietal-occipital cortex, and decreased in the orbital frontal cortex and parahippocampus gyrus (p<0.001). We conclude that the alleviation of clinical symptoms in advanced PD by bilateral STN stimulation may be the result of activation of both ascending and descending pathways from STN and of restoration of the impaired higher-order cortex functions.
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© 2006 Springer-Verlag
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Li, D. et al. (2006). FDG-PET study of the bilateral subthalamic nucleus stimulation effects on the regional cerebral metabolism in advanced Parkinson disease. In: Chang, J.W., Katayama, Y., Yamamoto, T. (eds) Advances in Functional and Reparative Neurosurgery. Acta Neurochirurgica Supplementum, vol 99. Springer, Vienna. https://doi.org/10.1007/978-3-211-35205-2_10
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DOI: https://doi.org/10.1007/978-3-211-35205-2_10
Publisher Name: Springer, Vienna
Print ISBN: 978-3-211-35204-5
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