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The development of myocardial injury in COVID-19 patients is associated with an increased risk of death, research published in JAMA Cardiology (27 March 2020) has shown
The team looked at data from 187 patients with confirmed COVID-19 at a hospital in Wuhan, China, 43 (23.0%) of whom died.
Overall, 66 (35.3%) patients had underlying cardiovascular disease (CVD; hypertension, coronary heart disease or cardiomyopathy) and 52 (27.8%) patients had elevated troponin T (TnT) levels, indicating myocardial injury.
The data showed that COVID-19 patients with elevated TnT levels were more likely to die than those without (59.6% vs. 8.9%). Those with elevated TnT levels and underlying CVD had the highest mortality rate overall at 69.4%. The mortality rate was 13.3% in patients with underlying CVD and normal TnT levels, compared with 37.5% in those without underlying CVD and elevated TnT levels.
The researchers said the results suggested that prognosis was relatively favourable in those with CVD without myocardial injury. However, patients with elevated TnT could be prioritised for more intensive therapy.
“It is reasonable to triage patients with COVID-19 according to the presence of underlying CVD and evidence of myocardial injury for prioritised treatment and even more aggressive strategies,” they concluded.