Electroconvulsive therapy clinical database: Influence of age and gender on the electrical charge

Javier Salvador Sánchez, Mónica Delia David, Aurora Torrent Setó, Montserrat Martínez Alonso, Maria J. Portella Moll, Josep Pifarré Paredero, Eduard Vieta Pascual, María Mur Laín

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© 2015 SEP y SEPB Introduction The influence of age and gender in the electrical charge delivered in a given population was analysed using an electroconvulsive therapy (ECT) clinical database. Material and method An observational, prospective, longitudinal study with descriptive analysis was performed using data from a database that included total bilateral frontotemporal ECT carried out with a Mecta spECTrum 5000Q® in our hospital over 6 years. From 2006 to 2012, a total of 4,337 ECT were performed on 187 patients. Linear regression using mixed effects analysis was weighted by the inverse of the number of ECT performed on each patient per year of treatment. Results The results indicate that age is related with changes in the required charge (P = .031), as such that the older the age a higher charge is needed. Gender is also associated with changes in charge (P = .014), with women requiring less charge than men, a mean of 87.3 mC less. When the effects of age and gender are included in the same model, both are significant (P = .0080 and P = .0041). Thus, for the same age, women require 99.0 mC less charge than men, and in both genders the charge increases by 2.3 mC per year. Conclusions From our study, it is concluded that the effect of age on the dosage of the electrical charge is even more significant when related to gender. It would be of interest to promote the systematic collection of data for a better understanding and application of the technique.
Original languageEnglish
Pages (from-to)143-148
JournalRevista de Psiquiatria y Salud Mental
Issue number3
Publication statusPublished - 1 Jul 2017


  • Age
  • Clinical database
  • Electrical charge
  • Electroconvulsive therapy
  • Gender


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