Suspected myocardial injury in patients with COVID-19: Evidence from front-line clinical observation in Wuhan, China

https://doi.org/10.1016/j.ijcard.2020.03.087Get rights and content

Highlights

  • The evidence from clinical standpoint and front-line data in Wuhan for COVID-19.

  • The novel coronavirus in COVID-19 less likely caused myocardial injury directly.

  • Elevation in cardiac markers is the warning sign of adverse outcomes for COVID-19.

Abstract

Background

A novel coronavirus disease (COVID-19) in Wuhan has caused an outbreak and become a major public health issue in China and great concern from international community. Myocarditis and myocardial injury were suspected and may even be considered as one of the leading causes for death of COVID-19 patients. Therefore, we focused on the condition of the heart, and sought to provide firsthand evidence for whether myocarditis and myocardial injury were caused by COVID-19.

Methods

We enrolled patients with confirmed diagnosis of COVID-19 retrospectively and collected heart-related clinical data, mainly including cardiac imaging findings, laboratory results and clinical outcomes. Serial tests of cardiac markers were traced for the analysis of potential myocardial injury/myocarditis.

Results

112 COVID-19 patients were enrolled in our study. There was evidence of myocardial injury in COVID-19 patients and 14 (12.5%) patients had presented abnormalities similar to myocarditis. Most of patients had normal levels of troponin at admission, that in 42 (37.5%) patients increased during hospitalization, especially in those that died. Troponin levels were significantly increased in the week preceding the death. 15 (13.4%) patients have presented signs of pulmonary hypertension. Typical signs of myocarditis were absent on echocardiography and electrocardiogram.

Conclusions

The clinical evidence in our study suggested that myocardial injury is more likely related to systemic consequences rather than direct damage by the 2019 novel coronavirus. The elevation in cardiac markers was probably due to secondary and systemic consequences and can be considered as the warning sign for recent adverse clinical outcomes of the patients.

Keywords

COVID-19
Novel coronavirus
Myocardial injury
Cardiac marker
Myocarditis

Cited by (0)

All the authors take responsibility for all aspects of the reliability and freedom from bias of the data presented and their discussed interpretation.

1

Qing Deng and Bo Hu have equally contributed to this work as first authors.

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