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Published on: October 24, 2020
Echocardiographic Features of Cardiac Injury Related to COVID-19 and Their Prognostic Value: A Systematic Review
Neda Shafiabadi Hassani1, Abbas Shojaee2, Zeynab Khodaprast3
1Cardiovascular Research Center, 391934Alborz University of Medical Sciences, Karaj, Iran.
Insights
Right ventricular abnormalities, including dilatation and dysfunction, are common echocardiographic findings in COVID-19 patients and indicate a poor prognosis, especially in severe disease.
Area of Science:
- Cardiology
- Infectious Diseases
- Medical Imaging
Background:
- Echocardiographic features of cardiac injury in COVID-19 are not well-consolidated.
- Prognostic value of these echocardiographic findings is scattered in literature.
Purpose of the Study:
- To investigate echocardiographic features of cardiac injury in COVID-19.
- To evaluate the prognostic value of these echocardiographic findings.
Main Methods:
- Systematic literature search of PubMed, Embase, and Google Scholar.
- Keywords included "echocard*," "cardiac ultrasound," and COVID-19 related terms.
- Two researchers independently screened 783 retrieved articles, selecting 11 studies.
Main Results:
- Right ventricular (RV) dilatation (15.0%-48.9%) and dysfunction (3.6%-40%) were more common than left ventricular (LV) dysfunction (5.4%-40.0%).
- RV abnormalities were significantly associated with severe COVID-19 and mortality.
- Rates of abnormalities varied across studies.
Conclusions:
- RV dilatation and dysfunction are prominent echocardiographic findings in symptomatic COVID-19 patients.
- These RV abnormalities are particularly evident in severe or deteriorating disease.
- RV dysfunction is a significant poor prognostic factor in COVID-19.
Background:
The available information on the echocardiographic features of cardiac injury related to the novel coronavirus disease 2019 (COVID-19) and their prognostic value are scattered in the different literature. Therefore, the aim of this study was to investigate the echocardiographic features of cardiac injury related to COVID-19 and their prognostic value.
Methods:
Published studies were identified through searching PubMed, Embase (Elsevier), and Google scholar databases. The search was performed using the different combinations of the keywords "echocard*," "cardiac ultrasound," "TTE," "TEE," "transtho*," or "transeso*" with "COVID-19," "sars-COV-2," "novel corona, or "2019-nCOV." Two researchers independently screened the titles and abstracts and full texts of articles to identify studies that evaluated the echocardiographic features of cardiac injury related to COVID-19 and/or their prognostic values.
Results:
Of 783 articles retrieved from the initial search, 11 (8 cohort and 3 cross-sectional studies) met our eligibility criteria. Rates of echocardiographic abnormalities in COVID-19 patients varied across different studies as follow: RV dilatation from 15.0% to 48.9%; RV dysfunction from 3.6% to 40%; and LV dysfunction 5.4% to 40.0%. Overall, the RV abnormalities were more common than LV abnormalities. The majority of the studies showed that there was a significant association between RV abnormalities and the severe forms and death of COVID-19.
Conclusion:
The available evidence suggests that RV dilatation and dysfunction may be the most prominent echocardiographic abnormality in symptomatic patients with COVID-19, especially in those with more severe or deteriorating forms of the disease. Also, RV dysfunction should be considered as a poor prognostic factor in COVID-19 patients.
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