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Related Experiment Videos

Electroconvulsive therapy for schizophrenia.

P Tharyan1, C E Adams

  • 1Department of Psychiatry, Christian Medical College, Vellore, Tamil Nadu, India, 632001. prathap@cmcvellore.ac.in

The Cochrane Database of Systematic Reviews
|June 22, 2002
PubMed
Summary
This summary is machine-generated.

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Electroconvulsive therapy (ECT) shows limited benefit for schizophrenia, but may help when combined with antipsychotics for non-responders. More research is needed to fully understand its efficacy and administration variations in schizophrenia treatment.

Area of Science:

  • Psychiatry and Mental Health
  • Neuroscience
  • Clinical Trials and Evidence-Based Medicine

Background:

  • Electroconvulsive therapy (ECT) is a medical procedure involving induced seizures for therapeutic purposes.
  • The efficacy and impact of ECT in individuals diagnosed with schizophrenia remain incompletely understood.

Purpose of the Study:

  • To evaluate the clinical effectiveness of ECT for global improvement, hospitalization rates, mental state, behavior, and functioning in schizophrenia patients.
  • To investigate if variations in ECT administration methods influence patient outcomes.

Main Methods:

  • Conducted comprehensive electronic database searches (Biological Abstracts, EMBASE, MEDLINE, PsycLIT, SCISEARCH, Cochrane Register) up to July 2001.
  • Included randomized controlled trials comparing ECT against placebo, sham ECT, non-pharmacological interventions, antipsychotics, and different ECT administration protocols.

Related Experiment Videos

  • Employed intention-to-treat analysis, estimating relative risks (RR) and number needed to treat (NNT) for dichotomous data, and weighted mean difference (WMD) for continuous data.

    • Main Results:

    • Compared to placebo or sham ECT, ECT showed a trend towards fewer individuals not improving globally in the short term (RR 0.77).
    • ECT demonstrated a suggestion of reduced relapse rates and increased hospital discharge likelihood compared to sham ECT.
    • ECT was less effective than antipsychotic medications for schizophrenia, with some evidence of transient memory impairment after ECT, particularly when combined with antipsychotics.

    Conclusions:

    • Current evidence does not conclusively refute the use of ECT for schizophrenia.
    • Limited evidence supports ECT, especially when combined with antipsychotic drugs for patients with schizophrenia who respond poorly to medication alone.
    • Despite decades of use, the research base for ECT in schizophrenia remains insufficient.