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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
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.
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.
- 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.