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[Process and phasic psychoses according to ICD-9 classification].

H Gerbaldo1, L Demisch, H J Bochnik

  • 1CONICET, Rep. Argentina.

Acta Psiquiatrica Y Psicologica De America Latina
|July 1, 1989
PubMed
Summary
This summary is machine-generated.

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The International Classification of Diseases, 9th Revision (ICD-9) is not effective for differentiating between phasic and non-phasic psychoses. A Frankfurt Classification (FC) approach offers better diagnostic distinctions for schizophrenia and schizoaffective disorder.

Area of Science:

  • Psychiatry
  • Clinical Psychology
  • Psychopathology

Context:

  • The study compares diagnostic classifications for 101 inpatients.
  • It evaluates the International Classification of Diseases, 9th Revision (ICD-9) against the Frankfurt Classification (FC).
  • The FC utilized the AMDP system glossary and Andreasen scale (SANS).

Purpose:

  • To assess the utility of ICD-9 versus FC in classifying psychotic disorders.
  • To determine if ICD-9 can effectively distinguish between phasic and non-phasic psychoses.
  • To highlight the benefits of a course-based classification system.

Summary:

  • 94% of FC process psychoses aligned with ICD-9 schizophrenia; 78% of FC atypical phasic psychoses matched ICD-9 schizoaffective schizophrenia.
  • Conversely, only 55% of ICD-9 schizophrenias were classified as FC process psychoses.

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  • Results indicate ICD-9's limitations in distinguishing phasic from non-phasic psychotic courses.

    • Impact:

    • Findings support the advantages of classifying psychoses based on their phasic or non-phasic course.
    • Emphasizes the necessity of operationalized concepts, polydiagnostic approaches, and international glossaries like AMDP for advancing psychiatric research.
    • Crucial for psychiatric research development in Latin America.