Background: We describe the baseline, operative, and postoperative features of a group of 18 patients who contracted the severe acute respiratory syndrome coronavirus 2 (SARS-CoV2) infection in a rehabilitation facility after cardiac surgery, and present some potential explanations for the surprisingly benign course of the COVID-19 in this cohort.
Methods: All patients were operated on an urgent or emergency basis (acute aortic syndrome, 3; refractory heart failure, 12; and endocarditis, 3) during the first lockdown period of the COVID-19 pandemic. The mean age was 70 years, and 12 patients were male. After the diagnosis of COVID-19, patients were treated according to the most recent recommendations. Eleven asymptomatic patients were discharged home or to a COVID-19 hotel and underwent close monitoring. Patients with fever, dyspnea, or a significant rise of the polymerase chain reaction levels were hospitalized, three received antivirals, three azithromicyne, and five hydroxychloroquine. Nasal swabs were repeated on a weekly basis, and all patients were quarantined until the collection of two consecutive negative samples.
Results: Diversely from other observations on perioperative COVID-19 reporting mortality rates of 30%-40%, the COVID-19 had a benign course in our cohort: only seven patients required hospitalization, and one required short intensive care unit admission. There were no deaths, and at the latest follow-up, all patients had been discharged home.
Comment: Our data show that the SARS-CoV2 infection after cardiac surgery may have a benign course. Further studies are needed to investigate the relationship between the timing of the infection, some potentially protective therapies (e.g., anticoagulants), and the course of the COVID-19.
Keywords: COVID-19; postoperative care; postoperative infection.
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