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doi:10.1093/ehjci/jev026 Online publish-ahead-of-print 6 March 2015

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Extensive myocardial calcification after acute myocarditis Felipe Dı´ez-delhoyo1*, Eduardo Zatarain-Nicola´s1, Esther Pe´rez-David1, Maria Luisa Sa´nchez-Alegre2, and Francisco Ferna´ndez-Avile´s2 1 Department of Cardiology, Hospital General Universitario Gregorio Maran˜o´n, Instituto de Investigacio´n Sanitaria del Hospital Gregorio Maran˜o´n, Complutense University, School of Medicine, C/Dr. Esquerdo 46, Madrid 28007, Spain and 2Department of Radiology, Hospital General Universitario Gregorio Maran˜o´n, Instituto de Investigacio´n Sanitaria del Hospital Gregorio Maran˜o´n, Madrid, Spain

* Corresponding author. Tel: +34 91 426 5882; Fax: +34 91 586 8276, E-mail: [email protected]

A 32-year-old male was admitted into the hospital due to acute heart failure. He had a recently diagnosed HIV infection with high viral load, primary haemophagocytic syndrome under immunosuppressive therapy, and CMV infection. Cardiac biomarkers were increased (high-sensitive T-Troponin 1350ng/L; NTproBNP 21.000 ng/L). The 2D-echocardiogram showed global hypokinaesia and depressed left ventricular ejection fraction (LVEF). A computed tomography (CT) observed normal heart density (Panel A). Cardiac magnetic resonance (CMR) showed mid-wall late gadolinium enhancement (LGE) at the mid-distal interventricular septum (Panels B and C); thus, acute myocarditis was diagnosed. At discharge, full recovery of LVEF was confirmed. Two months later, due to a cryptogenic organizing pneumonia, a new CT demonstrated an extensive myocardial calcification in the middistal septum (Panel D), correlating with the area of LGE in CMR. A new CMR revealed persistence of LGE without myocardial oedema in T2-Stir sequences (Panel E). Transthoracic echocardiogram confirmed the appearance of a septal hyperintensity in the mentioned location (Panel F) and normal LVEF. Patient’s follow-up 1 year later has been uneventful, and the cardiac calcification persists. Myocardial calcifications have been related to acute myocarditis in animal models, histological samples, and case reports, though it is infrequent. Viral infections and immunosuppressive status have been proposed as risk factors; nevertheless, history and prognosis are unknown. Progressive resorption of calcium has been described, suggesting that the deposit may be related to myocardial inflammation. Interestingly, calcification has not disappeared during follow-up in our patient despite good clinical course. Published on behalf of the European Society of Cardiology. All rights reserved. & The Author 2015. For permissions please email: [email protected].

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Extensive myocardial calcification after acute myocarditis.

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