Subjective memory complaints after electroconvulsive therapy: systematic review

Area of Science:

• Neuroscience
• Psychiatry
• Clinical Psychology

Background:

• Subjective memory impairment following electroconvulsive therapy (ECT) is a concern for patients.
• Limited research exists on these post-treatment effects.

Purpose of the Study:

• To systematically review existing evidence on subjective memory changes after ECT.
• To identify factors influencing these subjective memory complaints.

Main Methods:

• A systematic review of 16 studies was conducted.
• Studies varied in patient populations, ECT modalities, and memory assessment scales.
• The Squire Subjective Memory Questionnaire was the most frequently used scale.

Main Results:

• Most studies indicated subjective memory improvement post-ECT, correlating with reduced depression.
• Ultra-brief pulse ECT was associated with fewer subjective memory complaints.
• Longer pulse widths, female gender, and younger age were linked to increased complaints in one study.

Conclusions:

• Heterogeneity among studies limits definitive conclusions.
• Ultra-brief pulse ECT may offer a better subjective memory profile.
• Further research is needed to clarify factors influencing subjective memory outcomes.