A Case Series and Review of Takotsubo Cardiomyopathy: Does Stress Really Cause the Stress Cardiomyopathy?

Erin N. Quattromani, Amer Z. Aldeen, William J. Mosley II, D. Mark Courtney

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DOI: 10.4236/ijcm.2011.21007                

Abstract

Objective: We sought to describe clinical characteristics of emergency department patients ultimately diagnosed with Takotsubo Cardiomyopathy (TCM) and to explore the causal role that stress may play in its pathogenesis. Methods: We performed a retrospective chart review analyzing all myocardial infarction patients with non-obstructive coronary artery disease on cardiac catheterization to assess for the presence of TCM. Various clinical data, including the pres-ence of stressors, from emergency department records were reported. We also analyzed factors from several studies (including ours) to assess the true causality of stress in the development of TCM. Results: Twelve ED patients out of 2,179 charts reviewed were identified as having TCM. Most were female, post-menopausal, and had chest pain, but only half had a specific stressful event identified in the ED. One-third of patients had no stressful event identified during their hospital stay. Several other studies suggest that stressful events are associated with increased diagnoses of TCM, but we found that causality of stress cannot be substantiated. Conclusion: Stressful events are often not identified in emergency department patients ultimately diagnosed with TCM. The causative nature of stress in the development of TCM cannot be firmly established from any existing data.

Keywords

Takotsubo, Cardiomyopathy, Myocardial Infarction, Acute Coronary Syndrome, Stress

Conflicts of Interest

The authors declare no conflicts of interest.

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