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Journal: Frontiers in Neurology 6:16 (2015)
Authors: C Rapinesi, F.S Bersani, G.D Kotzalidis, C Imperatori, A Del Casale, S Di Pietro, V.R Ferri, D Serata, R.N Raccah, A Zangen, G Angeletti, P Girardi
Deep transcranial magnetic stimulation (dTMS) is a new form of TMS allowing safe stimulation of deep brain regions.
The objective of this preliminary study was to assess the role of dTMS maintenance sessions in protecting patients with bipolar disorder (BD) or recurrent major depressivedisorder (MDD) from developing depressive or manic relapses in a 12-month follow-up period.
Twenty-four drug-resistant patients with a current depressive episode and a diagnosis of MDD or BD have been enrolled in the study. All the participantsunderwent daily dTMS sessions for 4 weeks. One group (maintenance –M group) received additionalmaintenance dTMS sessions weekly or twice a week.
After the first dTMS cycle, a significant reduction of Hamilton Depression Rating Scale (HDRS) scores was observed in all participants. Subsequently, the HDRS mean scores did not significantly change over time in the M group, while it significantly increased in the non-M-group after 6 and 12 months.
This study confirms previous evidence of a positive therapeutic effect of dTMS on depressive symptoms and suggests that, after recovery from acute episodes, maintenance dTMS sessions may be helpful in maintaining euthymia in a 12-month follow-up period.