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Related Experiment Videos

Propofol reduces cognitive impairment after electroconvulsive therapy.

Noam N Butterfield1, Peter Graf, Bernard A Macleod

  • 1Department of Pharmacology & Therapeutics, Centre for Anesthesia and Analgesia, The University of British Columbia, Vancouver, Canada. noamnb@canada.ca

The Journal of ECT
|April 17, 2004
PubMed
Summary

Electroconvulsive therapy (ECT) can cause cognitive impairments. Using propofol anesthesia for ECT, compared to thiopental, significantly reduces these immediate cognitive deficits.

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Area of Science:

  • Neuroscience
  • Anesthesiology
  • Psychiatry

Background:

  • Cognitive impairments are a primary complication following electroconvulsive therapy (ECT).
  • The influence of anesthetic agents on ECT-induced cognitive deficits remains largely unexamined.
  • This study investigates the impact of propofol versus thiopental anesthesia on immediate post-ECT cognitive function.

Purpose of the Study:

  • To compare the incidence and severity of cognitive impairments after electroconvulsive therapy (ECT) when using propofol versus thiopental anesthesia.
  • To evaluate the effect of anesthetic choice on immediate cognitive recovery following ECT.

Main Methods:

  • A randomized, double-blind, crossover design was employed with 15 patients undergoing right unilateral ECT for depression.
  • Patients received either propofol or thiopental anesthesia on alternating treatment sessions.

Related Experiment Videos

  • Cognitive functions including verbal memory, motor speed, reaction time, visuospatial abilities, and executive functions were assessed 45 minutes post-ECT.

    • Main Results:

    • Cognitive impairments were significantly reduced following ECT administered with propofol compared to thiopental.
    • Patients experienced quicker emergence from anesthesia and shorter electroencephalogram (EEG) seizure durations with propofol.
    • No significant correlation was found between EEG seizure duration and neuropsychological test performance.

    Conclusions:

    • Propofol anesthesia is associated with reduced cognitive impairments in the early recovery phase after electroconvulsive therapy (ECT) compared to thiopental.
    • Anesthetic agent selection should be considered alongside ECT parameters to mitigate post-ECT cognitive side effects.
    • Further research may elucidate optimal anesthetic strategies for ECT to minimize cognitive burden.