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Residual Lung Abnormalities after COVID-19 Hospitalization: Interim Analysis of the UKILD Post–COVID-19 Study

2022; American Thoracic Society; Volume: 207; Issue: 6 Linguagem: Inglês

10.1164/rccm.202203-0564oc

1535-4970

Iain Stewart, Joseph Jacob, Peter M. George, Philip L. Molyneaux, Joanna C. Porter, Richard J. Allen, Shahab Aslani, J. Kenneth Baillie, Shaney Barratt, Paul Beirne, Stephen Bianchi, John Blaikley, James D. Chalmers, Rachel C. Chambers, Nazia Chadhuri, Christopher M. Coleman, Guilhem Collier, Emma Denneny, Annemarie B Docherty, Omer Elneima, Rachael A. Evans, Laura Fabbri, Michael Gibbons, Fergus Gleeson, Bibek Gooptu, Neil Greening, Beatriz Guillén‐Guío, Ian P. Hall, Neil A. Hanley, Victoria Harris, Ewen M. Harrison, Melissa Heightman, Toby Hillman, Alex Horsley, Linzy Houchen‐Wolloff, Ian Jarrold, Simon R. Johnson, Mark G. Jones, Fasihul Khan, Rod Lawson, Olivia C. Leavy, Nazir Lone, Michael Marks, Hamish McAuley, Puja Mehta, Dhruv Parekh, Karen Piper Hanley, Manuela Platé, John E. Pearl, Krisnah Poinasamy, Jennifer K Quint, Betty Raman, Matthew Richardson, Pilar Rivera‐Ortega, Laura Saunders, Ruth Saunders, Malcolm G. Semple, Marco Sereno, Aarti Shikotra, A. John Simpson, Amisha Singapuri, D Smith, Mark Spears, Lisa Spencer, S Stanel, David Thickett, A. A. Roger Thompson, Mathew Thorpe, Simon Walsh, S Walker, Nicholas Weatherley, Mark C. Willingham, Jim M. Wild, Dan Wootton, Christopher E. Brightling, Ling‐Pei Ho, Louise V. Wain, Gisli Jenkins,

Respiratory Support and Mechanisms

Rationale: Shared symptoms and genetic architecture between coronavirus disease (COVID-19) and lung fibrosis suggest severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection may lead to progressive lung damage. Objectives: The UK Interstitial Lung Disease Consortium (UKILD) post–COVID-19 study interim analysis was planned to estimate the prevalence of residual lung abnormalities in people hospitalized with COVID-19 on the basis of risk strata. Methods: The PHOSP–COVID-19 (Post-Hospitalization COVID-19) study was used to capture routine and research follow-up within 240 days from discharge. Thoracic computed tomography linked by PHOSP–COVID-19 identifiers was scored for the percentage of residual lung abnormalities (ground-glass opacities and reticulations). Risk factors in linked computed tomography were estimated with Bayesian binomial regression, and risk strata were generated. Numbers within strata were used to estimate posthospitalization prevalence using Bayesian binomial distributions. Sensitivity analysis was restricted to participants with protocol-driven research follow-up. Measurements and Main Results: The interim cohort comprised 3,700 people. Of 209 subjects with linked computed tomography (median, 119 d; interquartile range, 83–155), 166 people (79.4%) had more than 10% involvement of residual lung abnormalities. Risk factors included abnormal chest X-ray (risk ratio [RR], 1.21; 95% credible interval [CrI], 1.05–1.40), percent predicted DlCO less than 80% (RR, 1.25; 95% CrI, 1.00–1.56), and severe admission requiring ventilation support (RR, 1.27; 95% CrI, 1.07–1.55). In the remaining 3,491 people, moderate to very high risk of residual lung abnormalities was classified at 7.8%, and posthospitalization prevalence was estimated at 8.5% (95% CrI, 7.6–9.5), rising to 11.7% (95% CrI, 10.3–13.1) in the sensitivity analysis. Conclusions: Residual lung abnormalities were estimated in up to 11% of people discharged after COVID-19–related hospitalization. Health services should monitor at-risk individuals to elucidate long-term functional implications.