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Electroconvulsive therapy for schizophrenia.

P Tharyan1

  • 1Department of Psychiatry, Christian Medical College, Tamil Nadu, Vellore-632002, India. prathap@mhc.cmc.ernet.in

The Cochrane Database of Systematic Reviews
|May 5, 2000
PubMed
Summary
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Electroconvulsive therapy (ECT) offers short-term symptom relief for schizophrenia but is less effective than antipsychotics. Combining ECT with antipsychotics may provide modest short-term benefits for some patients.

Area of Science:

  • Psychiatry
  • Neurology
  • Clinical Psychology

Background:

  • Electroconvulsive therapy (ECT) induces therapeutic seizures via scalp electrical stimulation.
  • Current use of ECT for schizophrenia lacks clear evidence of efficacy.
  • Investigating ECT's benefits in schizophrenia is crucial for treatment optimization.

Purpose of the Study:

  • To evaluate the clinical benefits of ECT in schizophrenia patients.
  • Assessing ECT's impact on global improvement, hospitalization, mental state, behavior, and functioning.
  • Determining ECT's comparative effectiveness against placebo, sham ECT, and antipsychotics.

Main Methods:

  • Conducted comprehensive electronic literature searches (1982-1996).
  • Included all randomized controlled trials comparing ECT with control groups or active treatments.

Related Experiment Videos

  • Employed intention-to-treat analysis for extracted data.

    • Main Results:

    • Short-term ECT showed no significant functional improvement compared to placebo.
    • ECT is less effective than antipsychotic medications for schizophrenia.
    • Combination therapy (ECT + antipsychotics) offers limited short-term benefits for a subset of patients.

    Conclusions:

    • ECT provides some evidence for short-term symptom relief in schizophrenia.
    • ECT may be considered as an adjunct to antipsychotics for treatment-resistant cases, but evidence is weak.
    • A robust research base for ECT in schizophrenia remains limited despite its clinical use.