• Respiratory medicine · Aug 2021

    Pneumothorax in critically ill patients with COVID-19 infection: Incidence, clinical characteristics and outcomes in a case control multicenter study.

    • Amit Chopra, Ali Hani Al-Tarbsheh, Nidhi J Shah, Hamid Yaqoob, Kurt Hu, Paul J Feustel, Ronaldo Ortiz-Pacheco, Kinner M Patel, Jozef Oweis, Natalya Kozlova, Spyridon Zouridis, Sahar Ahmad, Oleg Epelbaum, Woon H Chong, John T Huggins, Biplab K Saha, Edward Conuel, Hau Chieng, Jeannette Mullins, Divyansh Bajaj, Boris Shkolnik, Rachel Vancavage, Nagendra Madisi, and Marc A Judson.
    • Department of Medicine, Pulmonary and Critical Care Medicine, Albany Medical Center, NY, USA. Electronic address: Chopraa1@amc.edu.
    • Respir Med. 2021 Aug 1; 184: 106464.

    BackgroundThe clinical features and outcomes of mechanically ventilated patients with COVID-19 infection who develop a pneumothorax has not been rigorously described or compared to those who do not develop a pneumothorax.PurposeTo determine the incidence, clinical characteristics, and outcomes of critically ill patients with COVID-19 infection who developed pneumothorax. In addition, we compared the clinical characteristics and outcomes of mechanically ventilated patients who developed a pneumothorax with those who did not develop a pneumothorax.MethodsThis study was a multicenter retrospective analysis of all adult critically ill patients with COVID-19 infection who were admitted to intensive care units in 4 tertiary care centers in the United States.ResultsA total of 842 critically ill patients with COVID-19 infection were analyzed, out of which 594 (71%) were mechanically ventilated. The overall incidence of pneumothorax was 85/842 (10%), and 80/594 (13%) in those who were mechanically ventilated. As compared to mechanically ventilated patients in the non-pneumothorax group, mechanically ventilated patients in the pneumothorax group had worse respiratory parameters at the time of intubation (mean PaO2:FiO2 ratio 105 vs 150, P<0.001 and static respiratory system compliance: 30ml/cmH2O vs 39ml/cmH2O, P = 0.01) and significantly higher in-hospital mortality (63% vs 49%, P = 0.04).ConclusionThe overall incidence of pneumothorax in mechanically ventilated patients with COVID-19 infection was 13%. Mechanically ventilated patients with COVID-19 infection who developed pneumothorax had worse gas exchange and respiratory mechanics at the time of intubation and had a higher mortality compared to those who did not develop pneumothorax.Copyright © 2021 Elsevier Ltd. All rights reserved.

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