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Number of Electroconvulsive Therapy Sessions required for Thai Psychiatric Patients: a Retrospective Study

Authors Ittasakul P, Vora-arporn S, Waleeprakhon P, Tor PC

Received 28 December 2019

Accepted for publication 17 February 2020

Published 4 March 2020 Volume 2020:16 Pages 673—679

DOI https://doi.org/10.2147/NDT.S244031

Checked for plagiarism Yes

Review by Single-blind

Peer reviewer comments 2

Editor who approved publication: Professor Yuping Ning


Pichai Ittasakul,1 Siraprapha Vora-arporn,1 Punjaporn Waleeprakhon,1 Phern-Chern Tor2

1Department of Psychiatry, Faculty of Medicine, Ramathibodi Hospital, Mahidol University, Bangkok, Thailand; 2Department of Mood and Anxiety, Institute of Mental Health, Singapore

Correspondence: Pichai Ittasakul 270 Rama VI Road, Ratchathewi, Bangkok 10400, Thailand
Tel +662-2011478
Fax +662-200-3277
Email pichai.itt@mahidol.edu

Objective: To study predictors of the number of electroconvulsive therapy (ECT) sessions required for symptom remission in psychiatric patients.
Patients and Methods: We conducted chart reviews for 95 patients whose condition remitted following inpatient ECT. We analyzed the clinical characteristics of the patients and compared the number of ECT sessions between adult (age 18– 59 years) and elderly (age ≥ 60 years) patients.
Results: The overall mean ± SD of the number of ECT sessions was 11.8 ± 4.7 (range: 6– 24). By diagnosis, it was 13.3 ± 5.5 for individuals with schizophrenia, 10.1 ± 2.7 for schizoaffective disorder, 14.4 ± 5.6 for bipolar depression, 9.4 ± 1.9 for bipolar mania, 10.9 ± 4.3 for major depressive disorder (MDD), and 11.8 ± 4.3 for those with other diagnoses. For MDD, the number of ECT sessions in elderly patients (13.4 ± 4.6) was statistically greater than that in adult patients (9 ± 2.9) (p = 0.008).
Conclusion: The number of ECT sessions varied by age and diagnosis. The number of ECT sessions in elderly MDD patients was higher than that in adult MDD patients.

Keywords: ECT, treatment, Thai patients, major depressive disorder, elderly

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