Key result
Idiopathic cardiomyopathy was associated with a higher prevalence of definite or probable panic disorder compared to other forms of cardiac failure.
Cross-Sectional (n=60)
Idiopathic cardiomyopathy is strongly associated with panic disorder in cardiac transplant candidates, suggesting a potential autonomic or catecholamine-mediated link.
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Should not yet change practice in cardiac failure; leaves open a potential etiologic link with panic disorder in idiopathic cardiomyopathy.
Patients under evaluation for cardiac transplant surgery were seen for routine psychiatric diagnosis and treatment. Of 35 patients with idiopathic cardiomyopathy, 83% (N = 29) had definite or probable panic disorder. Of 25 patients with postinfarction cardiac failure, rheumatic heart disease, or congenital heart disease, only 16% (N = 4) had definite or probable panic disorder. The authors suggest that autonomic mechanisms may underlie the association of cardiomyopathy and panic disorder and that increased cardiac sympathetic tone or circulating catecholamines may cause myocarditis and cardiomyopathy.
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Kahn et al. (1987) conducted a cross-sectional in Cardiac transplant candidates (n=60). Idiopathic cardiomyopathy vs. Postinfarction cardiac failure, rheumatic heart disease, or congenital heart disease was evaluated on Definite or probable panic disorder. Idiopathic cardiomyopathy was associated with a higher prevalence of definite or probable panic disorder compared to other forms of cardiac failure.
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