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Comprehensive Left Ventricular Mechanics Analysis by Speckle Tracking Echocardiography in COVID-19

World Journal of Cardiovascular Diseases 2021年第2期11卷 113-125页

作者： Francisco J. González-Ruiz Emmanuel A. Lazcano-Díaz Zuilma Y. Vásquez-Ortiz Fernanda Bernal-Ceballos Rodrigo Gopar-Nieto Consuelo Orihuela-Sandoval José P. Hernández-Reyes Edgar García-Cruz Eduardo Bucio-Reta Ángel Ramos-Enríquez Luis A. Cota-Apodaca Luis Efren-Santos Blanca Estela Broca-García Daniel Manzur-Sandoval Efrén Melano-Carranza Fernandez de la Reguera Guillermo Gustavo Rojas-Velasco Francisco Baranda-Tovar Department of Cardiovascular Critical Care National Institute of Cardiology “Dr. Ignacio Chávez” México City México Department of Echocardiography National Institute of Medical Science and Nutrition “Dr. Salvador Zubirán” México City México PhD Program National University of Mexico (UNAM) México City México Cardiovascular Diseases Department National Institute of Cardiology “Dr. Ignacio Chávez” México City México

Background: Cardiac involvement and the consequences of inflammation induced by SARS-CoV2 infection could have catastrophic long-term consequences. Left ventricular mechanics could identify a specific pattern of myocardial fiber damage in patients infected with COVID-19. To our knowledge there are no publications referring to the global description of ventricular mechanics in patients with COVID-19. Objective: To describe left ventricular mechanics in hospitalized patients with COVID-19. Methods: In this cross-sectional study, we included 40 hospitalized patients with confirmed diagnostic of COVID-19, from April 11, 2020, to September 6, 2020. Demographic and laboratory data, clinical and echocardiographic characteristics were collected, as well as events during hospitalization. Left ventricular deformation was analyzed and reported. Results: Subclinical dysfunction was observed in 82.5% (left ventricular longitudinal strain [LVGLS] -17.05% and global circumferential strain [GCS] -18.6%) of the patients, likewise, the mean twist and apical rotation were preserved, and even increased as part of the compensating mechanism to maintain the ejection fraction. Conclusion: In patients hospitalized with COVID-19, despite having a normal left ventricular ejection fraction, subclinical myocardial damage was found, manifested by a decrease in Global Longitudinal Strain (GLS) and Global Circumferential Strain (GCS). This behavior is similar to that of cardiomyopathies in the early stage of the disease, and given the pathophysiological mechanisms involved in the disease, its long-term consequences should be monitored and evaluated.

关键词： COVID-19 Speckle Tracking Echocardiography Myocarditis Cardiomyopa-thy Cardiac Mechanics Strain Myocardial Damage deformation imaging Myocardial Strain

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