4.1 Article

The Relative Effectiveness of Bilateral and Unilateral Electrode Placement in Electroconvulsive Therapy (ECT) in Patients With Major Depressive Disorder: A Retrospective Cohort Study

Journal

CUREUS JOURNAL OF MEDICAL SCIENCE
Volume 15, Issue 8, Pages -

Publisher

SPRINGERNATURE
DOI: 10.7759/cureus.42938

Keywords

depression anxiety and stress scale (dass-21); dass-21 scale; major depression disorder; dass-depression scoring scale; patient demographics; unilateral electrode placement; bilateral electrode placement; electroconvulsive therapy (ect)

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This study compared the efficacy of bilateral and unilateral electroconvulsive therapy (ECT) on depressive symptoms in patients at the Perth Clinic from 2016 to 2021. The results showed that both electrode placements led to significant improvement in depressive symptoms.
BackgroundThis study is focused on the comparative efficacy of bilateral and unilateral electroconvulsive therapy (ECT) on depressive symptoms in patients at the Perth Clinic for the period from 2016 to 2021. MethodsThis was a retrospective cohort study of 485 patients who received ECT treatment. The expected improvements in depressive symptoms were evaluated by the Depression Anxiety Stress Scale (DASS) assessment tool filled out by the patients on admission and discharge from the hospital. Only the depression score of the DASS scale was utilised for this research.ResultsThe results suggested that both electrode placements resulted in a significant improvement in depressive symptoms. The positive response rates for the bilateral and unilateral electrode placements were 78.3% and 71.6%, respectively. There was no difference between males and females in the average DASS score at discharge for bilateral and unilateral electrode placements.ConclusionsThis study confirmed that the results obtained at the Perth Clinic are similar to the existing international research results on the same topic. Bifrontal and unilateral ECT electrode placements are equally efficacious in improving depressive symptoms in patients suffering from major depressive disorder (MDD).

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