A retrospective study of 57 adult COVID-19 patients published yesterday in Respiratory Research found significant lung impairment in the recovery phase, particularly in patients with severe disease.Researchers conducted serial assessments of patients 30 days after they were released from the Fifth Affiliated Hospital of Sun Yat-sen University in Zhuhai, China.
They found that, of the 40 non-severe and 17 severe cases, 31 patients (54.4%) still had abnormal findings on chest computed tomography (CT).
The rate of abnormalities was much higher in severe (16 or 17, or 94.1%) than in mild illness (15/ 31, 37.5%).Forty-three (75.4%) of the 57 patients had abnormal pulmonary function tests.
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