Some patients who survive COVID-19 may suffer lasting lung damage

Monday, April 27, 2020 - 13:30 in Health & Medicine

Among patients who have recovered from COVID-19 in China comes the first evidence that some may suffer long-term lung damage from the disease. In 70 patients who survived COVID-19 pneumonia, 66 had some level of lung damage visible in CT scans taken before hospital discharge, researchers report March 19 in Radiology. The damage ranged from dense clumps of hardened tissue blocking blood vessels within the tiny air sacs called alveoli, which absorb oxygen, to tissue lesions around the alveoli, Yuhui Wang, a radiologist at Huazhong University of Science and Technology in Wuhan, China, and colleagues found. The tissue lesions can be a sign of chronic lung disease. Similar damage has been documented in survivors of SARS and MERS, respiratory diseases caused by coronaviruses similar to the SARS-CoV-2 virus behind COVID-19. Long-term studies of SARS patients have shown that roughly a third of people who recovered from severe bouts were left with permanent lung damage. In the case of MERS, one study found about a third...

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