PMID: 11928600Apr 4, 2002Paper

Effect of slow repetitive transcranial magnetic stimulation on depression in patients with Parkinson 's disease

Srpski arhiv za celokupno lekarstvo
Aleksandra PotrebićV S Kostić

Abstract

Parkinson's disease (PD), that has usually been associated with movement disorders, is also associated with depression in about 40% of patients [9]. Transcranial magnetic stimulation (TMS) is a new non-invasive technique for direct stimulation of the cerebral cortical neurons [1]. Several open studies have shown that repetitive TMS (rTMS) at both rapid (rapid rTMSi: > 1 Hz) and low frequencies (slow rTMSi: < 1 Hz) may have antidepressant action [2-6]. The study included 8 patients diagnosed as PD fulfilling the DSM-IV criteria for major depression (5 patients) and dysthymia (3 patients). Magnetic stimulator, 200 Mag-Stim, total output 2 T and a circular coil of 90 mm, were used. For ten consecutive days, between noon and 1 p.m. the patients were stimulated with apprx. 80% of the output (1.6 T) at 0.5 Hz. The daily treatment implied stimulation of both sides of the head (first the right, then the left) at four sites (prefrontal, frontal, parietal and occipital regions) with 5 stimulations each site (20 stimulations per hemisphere). Before the beginning of the study, 2-3 hours after the last stimulation (day 10), 7 and 14 days after completion of the treatment, the patients were subjected to scoring on the Hamilton Depression Rat...Continue Reading

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