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Lim SY, O'Sullivan SS, Kotschet K, Gallagher DA, Lacey C, Lawrence AD, Lees AJ, O'Sullivan DJ, Peppard RF, Rodrigues JP, Schrag A, Silberstein P, Tisch S, Evans AH
2009
September
Journal of clinical neuroscience : official journal of the Neurosurgical Society of Australasia
Dopamine dysregulation syndrome, impulse control disorders and punding after deep brain stimulation surgery for Parkinson's disease.
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1148
1152
Data regarding the effect of deep brain stimulation (DBS) surgery on the dopamine dysregulation syndrome (DDS), impulse control disorders (ICDs) and punding in Parkinson's disease (PD) are limited. We present a case series of 21 operated PD patients who had exhibited DDS, ICDs or punding at some stage during the disease. DDS remained unimproved or worsened post-operatively in 12/17 patients with pre-operative DDS (71%) (nine bilateral subthalamic nucleus [STN], one right-sided STN, two bilateral globus pallidus internus [GPi] DBS). DDS improved or resolved after bilateral STN DBS in 5/17 patients with pre-operative DDS. DDS apparently developed for the first time after bilateral STN DBS in two patients, although only after a latency of eight years in one case. One patient without reported pre-operative DDS or ICDs developed pathological gambling post-STN DBS. One patient had pathological gambling which resolved pre-operatively, and did not recur post-DBS. Thus, DDS, ICDs and punding may persist, worsen or develop for the first time after DBS surgery, although a minority of patients improved dramatically. Predictive factors may include physician vigilance, motor outcome and patient compliance.
10.1016/j.jocn.2008.12.010
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