Clinical predictors associated with duration of repetitive transcranial magnetic stimulation treatment for remission in bipolar depression: A naturalistic study

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Artigo
Data de publicação
2010
Periódico
Journal of Nervous and Mental Disease
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33
Autores
Cohen R.B.
Brunoni A.R.
Boggio P.S.
Fregni F.
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Repetitive transcranial magnetic stimulation (rTMS) has been widely tested and shown to be effective for unipolar depression. Although it has also been investigated for bipolar depression (BD), there are only few rTMS studies with BD. Here, we investigated 56 patients with BD who received rTMS treatment until remission (defined as Hamilton Depression Rating Scores ≤7). We used simple and multiple logistic regressions to identify clinical and demographic predictors associated with duration of treatment (defined as <15 vs. >15 rTMS sessions). Age, refractoriness, number of prior depressive episodes, and severe depression at baseline were associated with a longer rTMS treatment. In the multivariate analysis, refractoriness (likelihood ratio (LR) = 4.33; p < 0.01) and baseline severity (LR = 0.18, p < 0.01) remained significant predictors. Our preliminary study showed that, in remitted patients, refractoriness and severity of index episode are associated with the need of a longer rTMS treatment; providing preliminary evidence of important factors associated with rTMS parameters adjustment. Copyright © 2010 by Lippincott Williams & Wilkins.
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