• Gennaro Giustino, Lori B Croft, Giulio G Stefanini, Renato Bragato, Jeffrey J Silbiger, Marco Vicenzi, Tatyana Danilov, Nina Kukar, Nada Shaban, Annapoorna Kini, Anton Camaj, Solomon W Bienstock, Eman R Rashed, Karishma Rahman, Connor P Oates, Samantha Buckley, Lindsay S Elbaum, Derya Arkonac, Ryan Fiter, Ranbir Singh, Emily Li, Victor Razuk, Sam E Robinson, Michael Miller, Benjamin Bier, Valeria Donghi, Marco Pisaniello, Riccardo Mantovani, Giuseppe Pinto, Irene Rota, Sara Baggio, Mauro Chiarito, Fabio Fazzari, Ignazio Cusmano, Mirko Curzi, Richard Ro, Waqas Malick, Mazullah Kamran, Roopa Kohli-Seth, Adel M Bassily-Marcus, Eric Neibart, Gregory Serrao, Gila Perk, Donna Mancini, Vivek Y Reddy, Sean P Pinney, George Dangas, Francesco Blasi, Samin K Sharma, Roxana Mehran, Gianluigi Condorelli, Gregg W Stone, Valentin Fuster, Stamatios Lerakis, and Martin E Goldman.
• The Zena and Michael A. Wiener Cardiovascular Institute, The Mount Sinai Hospital, Icahn School of Medicine at Mount Sinai, New York City, New York. Electronic address: gennaro.giustino@mountsinai.org.
• J. Am. Coll. Cardiol. 2020 Nov 3; 76 (18): 2043-2055.

BackgroundMyocardial injury is frequent among patients hospitalized with coronavirus disease-2019 (COVID-19) and is associated with a poor prognosis. However, the mechanisms of myocardial injury remain unclear and prior studies have not reported cardiovascular imaging data.ObjectivesThis study sought to characterize the echocardiographic abnormalities associated with myocardial injury and their prognostic impact in patients with COVID-19.MethodsWe conducted an international, multicenter cohort study including 7 hospitals in New York City and Milan of hospitalized patients with laboratory-confirmed COVID-19 who had undergone transthoracic echocardiographic (TTE) and electrocardiographic evaluation during their index hospitalization. Myocardial injury was defined as any elevation in cardiac troponin at the time of clinical presentation or during the hospitalization.ResultsA total of 305 patients were included. Mean age was 63 years and 205 patients (67.2%) were male. Overall, myocardial injury was observed in 190 patients (62.3%). Compared with patients without myocardial injury, those with myocardial injury had more electrocardiographic abnormalities, higher inflammatory biomarkers and an increased prevalence of major echocardiographic abnormalities that included left ventricular wall motion abnormalities, global left ventricular dysfunction, left ventricular diastolic dysfunction grade II or III, right ventricular dysfunction and pericardial effusions. Rates of in-hospital mortality were 5.2%, 18.6%, and 31.7% in patients without myocardial injury, with myocardial injury without TTE abnormalities, and with myocardial injury and TTE abnormalities. Following multivariable adjustment, myocardial injury with TTE abnormalities was associated with higher risk of death but not myocardial injury without TTE abnormalities.ConclusionsAmong patients with COVID-19 who underwent TTE, cardiac structural abnormalities were present in nearly two-thirds of patients with myocardial injury. Myocardial injury was associated with increased in-hospital mortality particularly if echocardiographic abnormalities were present.Copyright © 2020 American College of Cardiology Foundation. Published by Elsevier Inc. All rights reserved.

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