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Parkinson’s Disease
Volume 2011, Article ID 679283, 7 pages
http://dx.doi.org/10.4061/2011/679283
Case Report

Dementia after DBS Surgery: A Case Report and Literature Review

11st Department of Neurology, St. Anne's University Hospital, Medical School of Masaryk University, Pekarska 53, 656 91 Brno, Czech Republic
2Applied Neuroscience Research Group, Central European Institute of Technology, Masaryk University, 602 00 Brno, Czech Republic

Received 6 December 2010; Revised 18 August 2011; Accepted 9 September 2011

Academic Editor: Dag Aarsland

Copyright © 2011 I. Rektorova et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

We report the case history of a 75-year-old woman with Parkinson's disease who developed severe cognitive problems after deep brain stimulation (DBS) of the bilateral subthalamic nuclei (STN). After a brief cognitive improvement, the patient gradually deteriorated until she developed full-blown dementia. We discuss the case with respect to the cognitive effects of STN DBS and the possible risk factors of dementia after STN DBS surgery.