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Updated: Jan 22, 2026
04:51
Pupillary Response as Assessment of Effective Seizure Induction by Electroconvulsive Therapy
Published on: April 11, 2019
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Factors Affecting Electroconvulsive Therapy Ictal Outcomes: Duration and Postictal Suppression
Wendy Marie Ingram1,2,3, Cody Weston3, Wei Dar Lu2
1Corresponding author: E-mail address - wingram5@jhu.edu.
Summary
Electroconvulsive therapy (ECT) effectively treats severe depression. This study identified patient and treatment variables influencing ECT
Area of Science:
- Neuroscience
- Psychiatry
- Medical Technology
Background:
- Electroconvulsive therapy (ECT) is a rapid and effective treatment for severe depression.
- Predictors of therapeutic outcomes in ECT are not fully understood.
- Ictal duration and postictal suppression may correlate with patient response but influencing factors require exploration.
Purpose of the Study:
- To identify patient and treatment variables associated with ictal duration and postictal suppression index in ECT.
- To explore complex influences on ictal response in retrospective ECT data.
- To advance clinical knowledge of modifiable factors for optimizing ECT outcomes.
Main Methods:
- Retrospective collection of ECT stimulus metrics, EEG parameters, patient demographics, primary diagnosis, and anesthesia type.
- Application of univariate and multivariate mixed-effects linear regression models.
- Analysis of variables influencing ictal duration and postictal suppression index.
Main Results:
- Multivariate models incorporating all variables provided the best fit for both ictal duration and postictal suppression index.
- This indicates a complex interplay of multiple factors affecting the ictal response.
- Specific modifiable factors influencing ECT outcomes were identified.
Conclusions:
- Understanding the complex influences on ictal response is crucial for optimizing ECT.
- The identified patterns in retrospective ECT data offer new clinical insights.
- Further research can leverage these findings to personalize and improve ECT treatments for severe depression.
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