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J ECT. 2011 Jun;27(2):141-4. doi: 10.1097/YCT.0b013e3181f66601.

Long-term efficacy after acute augmentative repetitive transcranial magnetic stimulation in bipolar depression: a 1-year follow-up study.

Author information

1
Department of Psychiatry, University of Milan, Fondazione IRCCS Cà Granda, Ospedale Maggiore Policlinico, Milan, Italy. bernardo.dellosso@unimi.it

Abstract

BACKGROUND:

: The efficacy of repetitive transcranial magnetic stimulation (rTMS) has been poorly investigated in the long-term. The present follow-up study was aimed to assess the long-term efficacy and the discontinuation effects of rTMS in a sample of depressed bipolar patients.

METHODS:

: After the completion of an acute trial with augmentative, low-frequency, navigated rTMS, 11 drug-resistant depressed bipolar subjects (Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition [Text Revision] criteria) entered a naturalistic follow-up with monthly evaluations through the Hamilton Depression Rating Scale and the Young Mania Rating Scale.

RESULTS:

: After 1 year of follow-up, results showed that the achievement of remission after acute rTMS was predictive of maintenance of response at 1 year. On the other hand, the absence of acute rTMS response predicted the absence of subsequent response in the long-term.

CONCLUSIONS:

: This first report on the long-term discontinuation effects after acute rTMS suggests that immediate remission is predictive of sustained benefit after 1 year. Larger controlled studies are needed to confirm present preliminary findings.

PMID:
20966770
DOI:
10.1097/YCT.0b013e3181f66601
[Indexed for MEDLINE]

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