Abstract:
BACKGROUND:Deep brain stimulation of the subthalamic nucleus significantly improves motor function in patients with severe Parkinson's disease. However, the effects on nonmotor aspects remain uncertain. The present study investigated the effects of subthalamic nucleus deep brain stimulation on mood and psychosocial functions in 33 patients with advanced Parkinson's disease in a three year follow-up. METHODS:Self-rating questionnaires were administered to 33 patients prior to surgery as well as three, six, twelve and 36 months after surgery. RESULTS:In the long run, motor function significantly improved after surgery. Mood and psychosocial functions transiently improved at one year but returned to baseline at 36 months after surgery. In addition, we performed cluster and discriminant function analyses and revealed four distinct psychosocial profiles, which remained relatively stable in the course of time. Two profiles featured impaired psychosocial functioning while the other two of them were characterized by greater psychosocial stability. CONCLUSION:Compared to baseline no worsening in mood and psychosocial functions was found three years after electrode implantation. Moreover, patients can be assigned to four distinct psychosocial profiles that are relatively stable in the time course. Since these subtypes already exist preoperatively the extent of psychosocial support can be anticipatory adjusted to the patients' needs in order to enhance coping strategies and compliance. This would allow early detection and even prevention of potential psychiatric adverse events after surgery. Given adequate psychosocial support, these findings imply that patients with mild psychiatric disturbances should not be excluded from surgery.
journal_name
BMC Neuroljournal_title
BMC neurologyauthors
Kaiser I,Kryspin-Exner I,Brücke T,Volc D,Alesch Fdoi
10.1186/1471-2377-8-43subject
Has Abstractpub_date
2008-11-11 00:00:00pages
43issn
1471-2377pii
1471-2377-8-43journal_volume
8pub_type
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