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Takotsubo cardiomyopathy systematic review: Pathophysiologic process, clinical presentation and diagnostic approach to Takotsubo cardiomyopathy

Journal

INTERNATIONAL JOURNAL OF CARDIOLOGY
Volume 209, Issue -, Pages 196-205

Publisher

ELSEVIER IRELAND LTD
DOI: 10.1016/j.ijcard.2016.02.012

Keywords

Takotsubo cardiomyopathy; Stress-induced cardiomyopathy; Catecholamine cardiotoxicity; Apical ballooning syndrome; Diagnostic criteria

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Takotsubo cardiomyopathy (TTC) is characterized by transient left ventricular apical ballooning with the absence of coronary occlusion, which typically occurs in older women after emotional or physical stress. The pathophysiology of TTC is not well established, though several possible causes such as catecholamine cardiotoxicity, metabolic disturbance, coronary microvascular impairment and multivesscl epicardial coronary artery spasm have been proposed. A number of diagnostic criteria have been suggested in the world and not unified as single, but the most common accepted one is Mayo Clinic proposed criteria. Since the clinical presentation of TTC is usually similar to acute coronary syndrome, differential diagnosis is essential to exclude other diseases and also for its treatment. Imaging modality including echocardiogram, angio CT and cardiac MRI, and lab tests for catecholamine, troponin T, creatine kinase MB and B-type natriuretic peptide can be useful to differentiate FTC from other diseases. Prognosis is generally favorable and in -hospital mortality is from 0% to within 10%. (C) 2016 Elsevier Ireland Ltd. All rights reserved.

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