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?:abstract
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Background Coronavirus disease 2019 (COVID-19) has already became a public health emergency of international concern. COVID-19 related cardiac injury remains largely unclear. Methods We retrospectively analyzed demographic, clinical, laboratory and cardiovascular imaging data of all consecutively admitted adult COVID-19 patients in Zhuhai, China from January 17th, 2020 to February 18th, 2020. Results A total of 93 patients were included in the study. Acute cardiac injury was found in 9 (9.7%) COVID-19 patients with median level of hypersensitive cardiac troponin I (hs-cTnI) to be 0.085 µg/L (IQR 0.027-0.560 µg/L). Compared with patients without cardiac injury, the median age of patients with cardiac injury was significantly older (65.0 vs. 44.0, P<0.05), hypertension was significantly more common (44.4% vs. 14.3%, P<0.05), and the proportion of severe-critical cases were greater (77.8% vs. 17.9%, P<0.05). Patients with cardiac injury were more likely have elevation of N-terminal proBNP (NT-proBNP) in comparison (66.7% vs. 10.0%, P<0.05). There was no significant difference in echocardiographic parameters between patients with and without cardiac injury. Multivariable logistic regression analysis indicated that older age (OR: 1.093, 95% CI: 1.011-1.182) and increased NT-proBNP (OR: 10.979, 95% CI: 2.024-59.555) were independent risk factors for cardiac injury. Cardiac magnetic resonance (CMR) imaging performed on three patients at around one month after they underwent significant hs-cTnI elevation showed that they had underlying cardiovascular comorbidities. Conclusions Acute cardiac injury was seen in the minority of hospitalized COVID-19 patients in Zhuhai, China. Older age and increased NT-proBNP were associated with acute cardiac injury. Registration number ChiCTR2000030952.
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