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[Subtyping panic disorders according to their symptoms]

J Seguí1, L Salvador-Carulla, L García

  • 1Sección de Psiquiatría, Hospital General de La Alianza, Barcelona.

Medicina Clinica
|July 1, 1998
PubMed
Summary

Panic disorder (PD) symptoms cluster into four main groups: cardiorespiratory, depersonalization-derealization, vestibular, and mixed. This finding supports clinical subtyping for better diagnosis and treatment of panic disorder.

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Area of Science:

  • Psychiatry
  • Clinical Psychology
  • Epidemiology

Context:

  • Panic disorder (PD) is a prevalent mental health condition causing significant disability.
  • Inefficient utilization of non-psychiatric health services is common in PD patients.
  • Clinical subtyping of PD may enhance diagnostic accuracy in various healthcare settings.

Purpose:

  • To assess the frequency, factorial grouping, and comorbidity of panic disorder symptoms.
  • To investigate symptom patterns in a naturalistic patient sample.
  • To explore potential clinical subtypes of panic disorder.

Summary:

  • A study of 442 patients with panic disorder identified palpitations, shortness of breath, fear of dying, and dizziness as the most frequent symptoms.
  • Principal component analysis revealed four symptom clusters: cardiorespiratory, depersonalization-derealization, vestibular, and mixed, explaining 56% of the variance.

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  • These factors support the clinical subtyping of PD into groups characterized by cardiorespiratory, cognitive, or vestibular symptoms.

    • Impact:

    • Findings contribute to a better understanding of panic disorder symptom heterogeneity.
    • Supports the development of targeted diagnostic and treatment strategies for panic disorder subtypes.
    • May improve the efficiency of healthcare service utilization for individuals with panic disorder.