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ECT Seizure Duration: Database Information

Citation

Pridmore, S and Batt, G and Fujiyama, H, ECT Seizure Duration: Database Information, German Journal of Psychiatry, 14, (1) pp. 35-39. ISSN 1433-1055 (2011) [Refereed Article]


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Copyright Statement

Copyright 2011 Dept. of Psychiatry, The University of Göttingen

Official URL: http://www.gjpsy.uni-goettingen.de/index-Dateien/P...

Abstract

Aim: In this naturalistic study the aim was to examine the impact on seizure duration of stimulus intensity, previous treatments (during the first course of ECT), age, gender, and electrode placement. Method: The database of the ECT Service of the Royal Hobart Hospital was examined for the 15 years ending in 2010. First courses of ECT were identified in which the stimulus intensity was not altered and at least 5 treatments were provided. Seizure duration was determined by cessation of clonic movements. Result: 383 patients (164 males) met selection criteria. A multiple regression analysis revealed that previous treatments, age, gender, and electrode placement had non-significant regression coefficient on the seizure length. The stimulus intensity, however, showed significant regression coefficient (-.267, p <.001), indicating that higher stimulus intensity induced shorter seizure duration. Conclusion: It was suggested that electrode placement and the number of treatments had negligible influence on seizure duration, while high stimulus intensity reduced seizure duration. If fixed high dose ECT is being provided, and there is concern due to the brevity of seizures, rather than taking steps to increase the output of the machine, a modest reduction of dose (perhaps to < 428.4 mC, or < 85% of machine output) may increase seizure duration (German J Psychiatry 2011; 14: 35–39).

Item Details

Item Type:Refereed Article
Research Division:Medical and Health Sciences
Research Group:Public Health and Health Services
Research Field:Mental Health
Objective Division:Health
Objective Group:Public Health (excl. Specific Population Health)
Objective Field:Mental Health
Author:Pridmore, S (Professor Saxby Pridmore)
Author:Fujiyama, H (Dr Hakuei Fujiyama)
ID Code:73437
Year Published:2011
Deposited By:Medicine (Discipline)
Deposited On:2011-10-06
Last Modified:2017-11-06
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