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Related Experiment Videos

Criteria defining refractory schizophrenia.

A Hori1, K Tsunashima, Y Takekawa

  • 1Department of Psychiatry, National Center Hospital for Mental, Nervous and Muscular Disorders, National Center of Neurology and Psychiatry, Tokyo, Japan.

Acta Psychiatrica Scandinavica
|March 19, 1999
PubMed
Summary

This study proposes clear criteria for identifying refractory schizophrenia in Japan, based on patient discharge likelihood and clinical status. These criteria aim to standardize the diagnosis of treatment-resistant schizophrenia for better patient care.

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Area of Science:

  • Psychiatry
  • Clinical Psychology

Background:

  • Lack of consensus on defining refractory schizophrenia criteria.
  • Need for standardized diagnostic criteria in clinical practice.

Purpose of the Study:

  • To clarify the criteria used by Japanese psychiatrists for refractory schizophrenia.
  • To establish evidence-based criteria for identifying treatment-resistant schizophrenia.

Main Methods:

  • Analysis of 258 schizophrenic in-patients (ICD-10).
  • Comparison of features between dischargeable and non-dischargeable patients.
  • Utilized Global Assessment Scale and Manchester Scale.

Main Results:

  • Proposed criteria include: standard schizophrenia diagnosis, >= 2 years continuous hospitalization.

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  • Psychosocial functioning score <= 40 (Global Assessment Scale).
  • At least three 'marked' or 'severe' Manchester Scale symptoms (e.g., flattened affect, delusions).

    • Conclusions:

    • The proposed criteria offer a standardized approach to diagnosing refractory schizophrenia.
    • These criteria can aid in patient management and treatment planning for severe mental illness.