European Journal of Heart Failure Advance Access originally published online on February 3, 2009
European Journal of Heart Failure 2009 11(4):428-431; doi:10.1093/eurjhf/hfp008
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Acute biopsy-proven lymphocytic myocarditis mimicking Takotsubo cardiomyopathy
1 Division of Cardiology, Department of Cardiological, Thoracic and Vascular Sciences, University of Padova-Policlinico, Centro V. Gallucci, Via Giustiniani, 2, 35128 Padova, Italy
2 Department of Medico-Diagnostic Sciences and Special Therapies, University of Padua, Padua, Italy
3 Department of Radiology, University of Padua, Padua, Italy
* Corresponding author. Tel: +39 49 8212348, Fax: +39 49 876 1764, Email: alida.caforio{at}unipd.it
| Abstract |
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Endomyocardial biopsy (EMB), the diagnostic gold standard for myocarditis, has not been systematically performed in the reported case series of Takotsubo cardiomyopathy, although proposed Mayo Criteria specify exclusion of myocarditis. Moreover, there is no specific recommendation for infarct-like acute myocarditis in the recently published guidelines on the role of EMB. Here we present a thoroughly documented case fulfilling both the proposed Mayo criteria for Takotsubo cardiomyopathy and the World Health Organization criteria for active, virus-negative, immune-mediated myocarditis. Since myocarditis can mimic acute myocardial infarction with normal coronary arteries, EMB should be performed to rule out myocarditis in patients presenting with LV apical ballooning syndrome (or Takotsubo cardiomyopathy).
Key Words: Myocarditis Takotsubo cardiomyopathy Autoimmunity Acute myocardial infarction with normal coronary arteries
Received September 13, 2008; Revised December 3, 2008; Accepted December 10, 2008
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