Myoglobin for Detection of High-Risk Patients with Acute Myocarditis

Author:

Kottwitz Jan,Bruno Katelyn A.,Berg Jan,Salomon Gary R.,Fairweather DeLisa,Elhassan Mawahib,Baltensperger Nora,Kissel Christine K.,Lovrinovic Marina,Baltensweiler Andrea,Schmied Christian,Templin Christian,Lima Joao A.C.,Landmesser Ulf,Lüscher Thomas F.,Manka Robert,Heidecker BettinaORCID

Abstract

AbstractThere is an unmet need for accurate and practical screening to detect myocarditis. We sought to test the hypothesis that the extent of acute myocarditis, measured by late gadolinium enhancement (LGE) on cardiac magnetic resonance imaging (CMR), can be estimated based on routine blood markers. A total of 44 patients were diagnosed with acute myocarditis and included in this study. There was strong correlation between myoglobin and LGE (rs = 0.73 [95% CI 0.51; 0.87], p < 0.001), while correlation was weak between LGE and TnT-hs (rs = 0.37 [95% CI 0.09; 0.61], p = 0.01). Receiver operating curve (ROC) analysis determined myoglobin ≥ 87 μg/L as cutoff to identify myocarditis (92% sensitivity, 80% specificity). The data were reproduced in an established model of coxsackievirus B3 myocarditis in mice (n = 26). These data suggest that myoglobin is an accurate marker of acute myocarditis.

Funder

Foundation for Research in Science and the Humanities

National Institute of Health Grants

Publisher

Springer Science and Business Media LLC

Subject

Genetics(clinical),Cardiology and Cardiovascular Medicine,Pharmaceutical Science,Genetics,Molecular Medicine

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