PMID- 36749209 OWN - NLM STAT- MEDLINE DCOM- 20230412 LR - 20230529 IS - 1527-1315 (Electronic) IS - 0033-8419 (Print) IS - 0033-8419 (Linking) VI - 307 IP - 2 DP - 2023 Apr TI - Postacute COVID-19 Syndrome: (129)Xe MRI Ventilation Defects and Respiratory Outcomes 1 Year Later. PG - e222557 LID - 10.1148/radiol.222557 [doi] LID - e222557 AB - Background In individuals with postacute COVID-19 syndrome (PACS) and normal pulmonary function, xenon 129 ((129)Xe) MRI ventilation defects, abnormal quality-of-life scores, and exercise limitation were reported 3 months after infection; the longitudinal trajectory remains unclear. Purpose To measure and compare pulmonary function, exercise capacity, quality of life, and (129)Xe MRI ventilation defect percent (VDP) in individuals with PACS evaluated 3 and 15 months after COVID-19 infection. Materials and Methods In this prospective study, participants with PACS aged 18-80 years were enrolled between July 2020 and August 2021 from two quaternary care centers. (129)Xe MRI VDP, diffusing capacity of lung for carbon monoxide (Dlco), spirometry, oscillometry, 6-minute walk distance (6MWD), and St George Respiratory Questionnaire (SGRQ) scores were evaluated 3 months and 15 months after COVID-19 infection. Differences between time points were evaluated using the paired t test. Multivariable models were generated to explain exercise capacity and quality-of-life improvement. Odds ratios (ORs) were used to evaluate potential treatment influences. Results Overall, 53 participants (mean age, 55 years +/- 18 [SD]; 27 women) attended both 3- and 15-month visits and were included in the analysis. The mean values for (129)Xe MRI VDP (5.8% and 4.2%; P = .003), forced expiratory volume in the 1st second of expiration percent predicted (84% and 90%; P = .001), Dlco percent predicted (86% and 99%; P = .002), and SGRQ score (35 and 25; P < .001) improved between the 3- and 15-month visit. VDP measured 3 months after COVID-19 infection predicted the change in 6MWD (beta = -0.643, P = .006), while treatment with respiratory medication at 3 months predicted an improved quality-of-life score at 15 months (OR, 4.0; 95% CI: 1.2, 13.8; P = .03). Conclusion Pulmonary function, gas exchange, exercise capacity, quality of life, and (129)Xe MRI ventilation defect percent (VDP) improved in participants with postacute COVID-19 syndrome at 15 months compared with 3 months after infection. VDP measured at 3 months after infection correlated with improved exercise capacity, while treatment with respiratory medication was associated with an improved quality-of-life score 15 months after infection. ClinicalTrials.gov registration no. NCT05014516 (c) RSNA, 2023 Supplemental material is available for this article. See also the editorial by Vogel-Claussen in this issue. FAU - Kooner, Harkiran K AU - Kooner HK AUID- ORCID: 0000-0003-4040-4977 AD - From the Robarts Research Institute (H.K.K., M.J.M., A.M.M., G.P.), Department of Medical Biophysics (H.K.K., M.J.M., A.M.M., G.P.), Department of Medical Imaging (M.A., G.P.), Division of Respirology, Department of Medicine (I.D., J.M.N., G.P.), and Department of Physics and Astronomy (A.O.), Western University, 1151 Richmond St N, London, ON, Canada N6A 5B7; Department of Chemistry, Lakehead University, Thunder Bay, Canada (M.S.A.); Department of Physics, Toronto Metropolitan University, Toronto, Canada (M.K.); Translational Medicine Program, Hospital for Sick Children, Toronto, Canada (G.E.S.); and Division of Respirology, Department of Medicine, McMaster University and Firestone Institute for Respiratory Health, St Joseph's Health Care, Hamilton, Canada (C.V., N.R., S.S.). FAU - McIntosh, Marrissa J AU - McIntosh MJ AUID- ORCID: 0000-0003-2678-458X AD - From the Robarts Research Institute (H.K.K., M.J.M., A.M.M., G.P.), Department of Medical Biophysics (H.K.K., M.J.M., A.M.M., G.P.), Department of Medical Imaging (M.A., G.P.), Division of Respirology, Department of Medicine (I.D., J.M.N., G.P.), and Department of Physics and Astronomy (A.O.), Western University, 1151 Richmond St N, London, ON, Canada N6A 5B7; Department of Chemistry, Lakehead University, Thunder Bay, Canada (M.S.A.); Department of Physics, Toronto Metropolitan University, Toronto, Canada (M.K.); Translational Medicine Program, Hospital for Sick Children, Toronto, Canada (G.E.S.); and Division of Respirology, Department of Medicine, McMaster University and Firestone Institute for Respiratory Health, St Joseph's Health Care, Hamilton, Canada (C.V., N.R., S.S.). FAU - Matheson, Alexander M AU - Matheson AM AUID- ORCID: 0000-0002-6022-9507 AD - From the Robarts Research Institute (H.K.K., M.J.M., A.M.M., G.P.), Department of Medical Biophysics (H.K.K., M.J.M., A.M.M., G.P.), Department of Medical Imaging (M.A., G.P.), Division of Respirology, Department of Medicine (I.D., J.M.N., G.P.), and Department of Physics and Astronomy (A.O.), Western University, 1151 Richmond St N, London, ON, Canada N6A 5B7; Department of Chemistry, Lakehead University, Thunder Bay, Canada (M.S.A.); Department of Physics, Toronto Metropolitan University, Toronto, Canada (M.K.); Translational Medicine Program, Hospital for Sick Children, Toronto, Canada (G.E.S.); and Division of Respirology, Department of Medicine, McMaster University and Firestone Institute for Respiratory Health, St Joseph's Health Care, Hamilton, Canada (C.V., N.R., S.S.). FAU - Abdelrazek, Mohammed AU - Abdelrazek M AUID- ORCID: 0000-0001-5626-8223 AD - From the Robarts Research Institute (H.K.K., M.J.M., A.M.M., G.P.), Department of Medical Biophysics (H.K.K., M.J.M., A.M.M., G.P.), Department of Medical Imaging (M.A., G.P.), Division of Respirology, Department of Medicine (I.D., J.M.N., G.P.), and Department of Physics and Astronomy (A.O.), Western University, 1151 Richmond St N, London, ON, Canada N6A 5B7; Department of Chemistry, Lakehead University, Thunder Bay, Canada (M.S.A.); Department of Physics, Toronto Metropolitan University, Toronto, Canada (M.K.); Translational Medicine Program, Hospital for Sick Children, Toronto, Canada (G.E.S.); and Division of Respirology, Department of Medicine, McMaster University and Firestone Institute for Respiratory Health, St Joseph's Health Care, Hamilton, Canada (C.V., N.R., S.S.). FAU - Albert, Mitchell S AU - Albert MS AD - From the Robarts Research Institute (H.K.K., M.J.M., A.M.M., G.P.), Department of Medical Biophysics (H.K.K., M.J.M., A.M.M., G.P.), Department of Medical Imaging (M.A., G.P.), Division of Respirology, Department of Medicine (I.D., J.M.N., G.P.), and Department of Physics and Astronomy (A.O.), Western University, 1151 Richmond St N, London, ON, Canada N6A 5B7; Department of Chemistry, Lakehead University, Thunder Bay, Canada (M.S.A.); Department of Physics, Toronto Metropolitan University, Toronto, Canada (M.K.); Translational Medicine Program, Hospital for Sick Children, Toronto, Canada (G.E.S.); and Division of Respirology, Department of Medicine, McMaster University and Firestone Institute for Respiratory Health, St Joseph's Health Care, Hamilton, Canada (C.V., N.R., S.S.). FAU - Dhaliwal, Inderdeep AU - Dhaliwal I AUID- ORCID: 0000-0003-1795-3855 AD - From the Robarts Research Institute (H.K.K., M.J.M., A.M.M., G.P.), Department of Medical Biophysics (H.K.K., M.J.M., A.M.M., G.P.), Department of Medical Imaging (M.A., G.P.), Division of Respirology, Department of Medicine (I.D., J.M.N., G.P.), and Department of Physics and Astronomy (A.O.), Western University, 1151 Richmond St N, London, ON, Canada N6A 5B7; Department of Chemistry, Lakehead University, Thunder Bay, Canada (M.S.A.); Department of Physics, Toronto Metropolitan University, Toronto, Canada (M.K.); Translational Medicine Program, Hospital for Sick Children, Toronto, Canada (G.E.S.); and Division of Respirology, Department of Medicine, McMaster University and Firestone Institute for Respiratory Health, St Joseph's Health Care, Hamilton, Canada (C.V., N.R., S.S.). FAU - Kirby, Miranda AU - Kirby M AUID- ORCID: 0000-0003-2951-784X AD - From the Robarts Research Institute (H.K.K., M.J.M., A.M.M., G.P.), Department of Medical Biophysics (H.K.K., M.J.M., A.M.M., G.P.), Department of Medical Imaging (M.A., G.P.), Division of Respirology, Department of Medicine (I.D., J.M.N., G.P.), and Department of Physics and Astronomy (A.O.), Western University, 1151 Richmond St N, London, ON, Canada N6A 5B7; Department of Chemistry, Lakehead University, Thunder Bay, Canada (M.S.A.); Department of Physics, Toronto Metropolitan University, Toronto, Canada (M.K.); Translational Medicine Program, Hospital for Sick Children, Toronto, Canada (G.E.S.); and Division of Respirology, Department of Medicine, McMaster University and Firestone Institute for Respiratory Health, St Joseph's Health Care, Hamilton, Canada (C.V., N.R., S.S.). FAU - Ouriadov, Alexei AU - Ouriadov A AD - From the Robarts Research Institute (H.K.K., M.J.M., A.M.M., G.P.), Department of Medical Biophysics (H.K.K., M.J.M., A.M.M., G.P.), Department of Medical Imaging (M.A., G.P.), Division of Respirology, Department of Medicine (I.D., J.M.N., G.P.), and Department of Physics and Astronomy (A.O.), Western University, 1151 Richmond St N, London, ON, Canada N6A 5B7; Department of Chemistry, Lakehead University, Thunder Bay, Canada (M.S.A.); Department of Physics, Toronto Metropolitan University, Toronto, Canada (M.K.); Translational Medicine Program, Hospital for Sick Children, Toronto, Canada (G.E.S.); and Division of Respirology, Department of Medicine, McMaster University and Firestone Institute for Respiratory Health, St Joseph's Health Care, Hamilton, Canada (C.V., N.R., S.S.). FAU - Santyr, Giles E AU - Santyr GE AUID- ORCID: 0000-0001-7396-188X AD - From the Robarts Research Institute (H.K.K., M.J.M., A.M.M., G.P.), Department of Medical Biophysics (H.K.K., M.J.M., A.M.M., G.P.), Department of Medical Imaging (M.A., G.P.), Division of Respirology, Department of Medicine (I.D., J.M.N., G.P.), and Department of Physics and Astronomy (A.O.), Western University, 1151 Richmond St N, London, ON, Canada N6A 5B7; Department of Chemistry, Lakehead University, Thunder Bay, Canada (M.S.A.); Department of Physics, Toronto Metropolitan University, Toronto, Canada (M.K.); Translational Medicine Program, Hospital for Sick Children, Toronto, Canada (G.E.S.); and Division of Respirology, Department of Medicine, McMaster University and Firestone Institute for Respiratory Health, St Joseph's Health Care, Hamilton, Canada (C.V., N.R., S.S.). FAU - Venegas, Carmen AU - Venegas C AUID- ORCID: 0000-0002-1060-6503 AD - From the Robarts Research Institute (H.K.K., M.J.M., A.M.M., G.P.), Department of Medical Biophysics (H.K.K., M.J.M., A.M.M., G.P.), Department of Medical Imaging (M.A., G.P.), Division of Respirology, Department of Medicine (I.D., J.M.N., G.P.), and Department of Physics and Astronomy (A.O.), Western University, 1151 Richmond St N, London, ON, Canada N6A 5B7; Department of Chemistry, Lakehead University, Thunder Bay, Canada (M.S.A.); Department of Physics, Toronto Metropolitan University, Toronto, Canada (M.K.); Translational Medicine Program, Hospital for Sick Children, Toronto, Canada (G.E.S.); and Division of Respirology, Department of Medicine, McMaster University and Firestone Institute for Respiratory Health, St Joseph's Health Care, Hamilton, Canada (C.V., N.R., S.S.). FAU - Radadia, Nisarg AU - Radadia N AUID- ORCID: 0000-0002-4872-1443 AD - From the Robarts Research Institute (H.K.K., M.J.M., A.M.M., G.P.), Department of Medical Biophysics (H.K.K., M.J.M., A.M.M., G.P.), Department of Medical Imaging (M.A., G.P.), Division of Respirology, Department of Medicine (I.D., J.M.N., G.P.), and Department of Physics and Astronomy (A.O.), Western University, 1151 Richmond St N, London, ON, Canada N6A 5B7; Department of Chemistry, Lakehead University, Thunder Bay, Canada (M.S.A.); Department of Physics, Toronto Metropolitan University, Toronto, Canada (M.K.); Translational Medicine Program, Hospital for Sick Children, Toronto, Canada (G.E.S.); and Division of Respirology, Department of Medicine, McMaster University and Firestone Institute for Respiratory Health, St Joseph's Health Care, Hamilton, Canada (C.V., N.R., S.S.). FAU - Svenningsen, Sarah AU - Svenningsen S AUID- ORCID: 0000-0002-6225-1863 AD - From the Robarts Research Institute (H.K.K., M.J.M., A.M.M., G.P.), Department of Medical Biophysics (H.K.K., M.J.M., A.M.M., G.P.), Department of Medical Imaging (M.A., G.P.), Division of Respirology, Department of Medicine (I.D., J.M.N., G.P.), and Department of Physics and Astronomy (A.O.), Western University, 1151 Richmond St N, London, ON, Canada N6A 5B7; Department of Chemistry, Lakehead University, Thunder Bay, Canada (M.S.A.); Department of Physics, Toronto Metropolitan University, Toronto, Canada (M.K.); Translational Medicine Program, Hospital for Sick Children, Toronto, Canada (G.E.S.); and Division of Respirology, Department of Medicine, McMaster University and Firestone Institute for Respiratory Health, St Joseph's Health Care, Hamilton, Canada (C.V., N.R., S.S.). FAU - Nicholson, J Michael AU - Nicholson JM AUID- ORCID: 0000-0003-1560-7967 AD - From the Robarts Research Institute (H.K.K., M.J.M., A.M.M., G.P.), Department of Medical Biophysics (H.K.K., M.J.M., A.M.M., G.P.), Department of Medical Imaging (M.A., G.P.), Division of Respirology, Department of Medicine (I.D., J.M.N., G.P.), and Department of Physics and Astronomy (A.O.), Western University, 1151 Richmond St N, London, ON, Canada N6A 5B7; Department of Chemistry, Lakehead University, Thunder Bay, Canada (M.S.A.); Department of Physics, Toronto Metropolitan University, Toronto, Canada (M.K.); Translational Medicine Program, Hospital for Sick Children, Toronto, Canada (G.E.S.); and Division of Respirology, Department of Medicine, McMaster University and Firestone Institute for Respiratory Health, St Joseph's Health Care, Hamilton, Canada (C.V., N.R., S.S.). FAU - Parraga, Grace AU - Parraga G AUID- ORCID: 0000-0002-5619-4145 AD - From the Robarts Research Institute (H.K.K., M.J.M., A.M.M., G.P.), Department of Medical Biophysics (H.K.K., M.J.M., A.M.M., G.P.), Department of Medical Imaging (M.A., G.P.), Division of Respirology, Department of Medicine (I.D., J.M.N., G.P.), and Department of Physics and Astronomy (A.O.), Western University, 1151 Richmond St N, London, ON, Canada N6A 5B7; Department of Chemistry, Lakehead University, Thunder Bay, Canada (M.S.A.); Department of Physics, Toronto Metropolitan University, Toronto, Canada (M.K.); Translational Medicine Program, Hospital for Sick Children, Toronto, Canada (G.E.S.); and Division of Respirology, Department of Medicine, McMaster University and Firestone Institute for Respiratory Health, St Joseph's Health Care, Hamilton, Canada (C.V., N.R., S.S.). LA - eng SI - ClinicalTrials.gov/NCT05014516 GR - CIHR/Canada PT - Journal Article PT - Research Support, Non-U.S. Gov't DEP - 20230207 PL - United States TA - Radiology JT - Radiology JID - 0401260 SB - IM CIN - Radiology. 2023 Feb 7;:230113. PMID: 36749215 CIN - Radiology. 2023 May;307(4):e230479. PMID: 37070997 MH - Female MH - Humans MH - Middle Aged MH - *COVID-19 MH - Lung MH - Magnetic Resonance Imaging/methods MH - Prospective Studies MH - Quality of Life MH - *Respiration Disorders MH - Adolescent MH - Aged MH - Aged, 80 and over MH - Male PMC - PMC9926501 COIS- Disclosures of conflicts of interest: H.K.K. No relevant relationships. M.J.M. No relevant relationships. A.M.M. No relevant relationships. M.A. No relevant relationships. M.S.A. No relevant relationships. I.D. No relevant relationships. M.K. Consultant for VIDA Diagnostics. A.O. No relevant relationships. G.E.S. No relevant relationships. C.V. Lecture honoraria from AstraZeneca and GSK; conference travel support from AstraZeneca. N.R. No relevant relationships. S.S. Lecture honoraria from Polarean. J.M.N. Lecture honoraria from AstraZeneca, Vertex, Valeo Pharma, and Horizon Therapeutics. G.P. Grant from Ontario Rapid Response; consulting fees from Polarean Imaging; payment or honoraria from AstraZeneca; member of the Institute Advisory Board, Institute of Circulatory and Respiratory Health, and Canadian Institutes of Health Research; member of the RSNA Thoracic Imaging board of directors. EDAT- 2023/02/08 06:00 MHDA- 2023/04/12 06:42 PMCR- 2023/02/07 CRDT- 2023/02/07 10:06 PHST- 2023/04/12 06:42 [medline] PHST- 2023/02/08 06:00 [pubmed] PHST- 2023/02/07 10:06 [entrez] PHST- 2023/02/07 00:00 [pmc-release] AID - 10.1148/radiol.222557 [doi] PST - ppublish SO - Radiology. 2023 Apr;307(2):e222557. doi: 10.1148/radiol.222557. Epub 2023 Feb 7.