Patients discharged after hospitalization for COVID-19 pneumonia were retrospectively selected by radiologically established criteria that at admission presented at chest computed tomography (CT) (i) normal lung parenchyma \<50% of total lung volume; and/or (ii) area of lung consolidation \> 10%. All At discharge and after 9 months, all subjects underwent cardiological evaluation, echocardiogram, pulmonary function tests (PFT) both atby 3 and by 12 months after discharge. Chest CT was performed by 12 months after discharge and chest CT. Specifically, the magnitude of pulmonary involvement between baseline and follow-up was considered the primary endpoint of this study. Secondary endpoints of the study were results of respiratory function testing, echocardiographic parametersparameters, and persistence of symptoms.
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The magnitude of pulmonary involvement
Timeframe: 12 months