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Transcranial direct current stimulation helps treat patients with poststroke depression

3 months ago
Sad elderly man contemplating

Transcranial direct current stimulation (tDCS) is safe and effective for patients with poststroke depression, making it a favourable treatment option, a recent study has shown.

Researchers randomly assigned 48 antidepressant-free patients with poststroke depression to either active or sham tDCS to evaluate its efficacy and safety. A total of 12 30-minute sessions of 2 mA anodal left/cathodal right dorsolateral prefrontal tDCS were administered over 6 weeks (once daily on weekdays for 2 weeks and 1 session every other week).

A total of five patients dropped out of the trial (two in the active group).

A repeated-measures analysis of variance was employed, with depression score as the dependent variable, and time and group as independent variables. Researchers addressed missing data in this intention-to-treat analysis according to the last observation carried forward and the mixed-model repeated-measures analysis methods.

The primary outcomes was the change in the Hamilton Depression Rating Scale at week 6.

Active tDCS showed significant superiority to sham at endpoint (mean difference, 4.7 points; p<0.001). Patients in the active group had significantly higher response and remission rates (37.5 and 20.8 percent, respectively) than those in the sham group (4.1 and 0 percent, respectively), with a number-needed-to-treat of 3 and 5, respectively.

About one in three patients with stroke experience poststroke depression, which is a disabling condition, according to researchers, adding that pharmacological treatments have limited efficacy and important side effects.

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Most Read Articles
7 days ago
Obesity has a slight and substantial negative impact on the cognitive functioning of healthy individuals and major depressive disorder patients (MDD), respectively, a new study shows.
10 days ago
Increased serum levels of C-X-C motif chemokine (CXCL)-11, CXCL-9, CXCL-10 and interferon (IFN)-γ are associated with clinical manifestations of adult-onset Still’s disease (AOSD), reports a new study.
2 days ago
At a recent lunch symposium during the 14th Annual Scientific Meeting of the Malaysian Society of Hypertension, Dr Chow Yok Wai spoke on the importance of patient adherence in the management of hypertension, highlighting the role of combination therapy in improving treatment outcomes.
4 days ago
Myopia is associated with depressive symptoms in Chinese adults, a new population-based study shows.