Document Type : Original Article(s)
Authors
- Marzieh Tajmirriahi 1
- Mehrzad Salmasi 2
- Forogh Soltaninejad 3
- Babak Amra 4
- Ramin Sami 5
- Zohreh Naderi 5
1 Assistant Professor, Cardiac Rehabilitation Research Center, Cardiovascular Research Institute AND Department of Cardiology, Isfahan University of Medical Sciences, Isfahan, Iran
2 Assistant Professor, Department of Internal Medicine, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
3 Assistant Professor, Bamdad Respiratory and Sleep Research Center AND Department of Internal Medicine, Pulmonary and Sleep Ward, Isfahan University of Medical Sciences, Isfahan, Iran
4 Professor, Bamdad Respiratory and Sleep Research Center AND Department of Internal Medicine, Pulmonary and Sleep Ward, Isfahan University of Medical Sciences, Isfahan, Iran
5 Assistant Professor, Department of Internal Medicine, Pulmonary and Sleep Ward, Isfahan University of Medical Sciences, Isfahan, Iran
Abstract
BACKGROUND: Coronavirus disease 2019 (COVID-19) has led to considerable morbidity and mortality worldwide and myocardial injury has been one of the most common findings in the affected patients. However, published evidence of cardiac evaluation by imaging techniques including echocardiography is rare. We aimed to evaluate myocardial involvement by echocardiography in patients with severe COVID-19.METHODS: We studied 64 patients with severe COVID-19 who were admitted in the intensive care unit (ICU) in Khorshid Hospital, Isfahan, Iran, from February 20, 2020 until May 20, 2020. Demographic characteristics, laboratory tests, and electrocardiography (ECG) data were collected and transthoracic echocardiography (TTE) using a focused time-efficient echocardiography protocol was performed.RESULTS: Mean age of the participating patients was 66.40 ± 14.14 years (range: 34.0-92.0 years), and 35 patients (54.7%) were men. Reduced left ventricular (LV) systolic function was seen in 20 (32%) patients. Only 4 patients had LV ejection fraction (LVEF) less than 40%. Cardiac troponin I (cTn-I) was elevated (over 15 pg/ml) in 39 (60.9%) patients and was significantly associated with higher mortality in these patients (P = 0.05). In addition, dynamic ST and T wave changes and new bundle branch blocks had a significant association with adverse clinical outcome (P = 0.05 and P = 0.02, respectively).CONCLUSION: New LV systolic dysfunction (LVSD) in patients with severe COVID-19 was mild to moderate and not uncommon and had no significant adverse effect on the prognosis of these patients, although elevation of cardiac biomarkers could predict mortality and had an adverse effect on clinical outcome.
Keywords
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