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Longitudinal Assessment of Chest CT Findings and Pulmonary Function after COVID-19 Infection.
Han, Xiaoyu; Chen, Lu; Fan, Yanqing; Alwalid, Osamah; Jia, Xi; Zheng, Yuting; Liu, Jie; Li, Yumin; Cao, Yukun; Gu, Jin; Liu, Jia; Zheng, Chuansheng; Ye, Qing; Shi, Heshui.
  • Han X; From the Department of Radiology, Union Hospital, Tongji Medical College of Huazhong University of Science and Technology, 1277 Jiefang Avenue, Wuhan 430022, People's Republic of China (X.H., X.J., Y.Z., Jie Liu, Y.L., Y.C., J.G., Jia Liu, C.Z., H.S.); Hubei Province Key Laboratory of Molecular Imag
  • Chen L; From the Department of Radiology, Union Hospital, Tongji Medical College of Huazhong University of Science and Technology, 1277 Jiefang Avenue, Wuhan 430022, People's Republic of China (X.H., X.J., Y.Z., Jie Liu, Y.L., Y.C., J.G., Jia Liu, C.Z., H.S.); Hubei Province Key Laboratory of Molecular Imag
  • Fan Y; From the Department of Radiology, Union Hospital, Tongji Medical College of Huazhong University of Science and Technology, 1277 Jiefang Avenue, Wuhan 430022, People's Republic of China (X.H., X.J., Y.Z., Jie Liu, Y.L., Y.C., J.G., Jia Liu, C.Z., H.S.); Hubei Province Key Laboratory of Molecular Imag
  • Alwalid O; From the Department of Radiology, Union Hospital, Tongji Medical College of Huazhong University of Science and Technology, 1277 Jiefang Avenue, Wuhan 430022, People's Republic of China (X.H., X.J., Y.Z., Jie Liu, Y.L., Y.C., J.G., Jia Liu, C.Z., H.S.); Hubei Province Key Laboratory of Molecular Imag
  • Jia X; From the Department of Radiology, Union Hospital, Tongji Medical College of Huazhong University of Science and Technology, 1277 Jiefang Avenue, Wuhan 430022, People's Republic of China (X.H., X.J., Y.Z., Jie Liu, Y.L., Y.C., J.G., Jia Liu, C.Z., H.S.); Hubei Province Key Laboratory of Molecular Imag
  • Zheng Y; From the Department of Radiology, Union Hospital, Tongji Medical College of Huazhong University of Science and Technology, 1277 Jiefang Avenue, Wuhan 430022, People's Republic of China (X.H., X.J., Y.Z., Jie Liu, Y.L., Y.C., J.G., Jia Liu, C.Z., H.S.); Hubei Province Key Laboratory of Molecular Imag
  • Liu J; From the Department of Radiology, Union Hospital, Tongji Medical College of Huazhong University of Science and Technology, 1277 Jiefang Avenue, Wuhan 430022, People's Republic of China (X.H., X.J., Y.Z., Jie Liu, Y.L., Y.C., J.G., Jia Liu, C.Z., H.S.); Hubei Province Key Laboratory of Molecular Imag
  • Li Y; From the Department of Radiology, Union Hospital, Tongji Medical College of Huazhong University of Science and Technology, 1277 Jiefang Avenue, Wuhan 430022, People's Republic of China (X.H., X.J., Y.Z., Jie Liu, Y.L., Y.C., J.G., Jia Liu, C.Z., H.S.); Hubei Province Key Laboratory of Molecular Imag
  • Cao Y; From the Department of Radiology, Union Hospital, Tongji Medical College of Huazhong University of Science and Technology, 1277 Jiefang Avenue, Wuhan 430022, People's Republic of China (X.H., X.J., Y.Z., Jie Liu, Y.L., Y.C., J.G., Jia Liu, C.Z., H.S.); Hubei Province Key Laboratory of Molecular Imag
  • Gu J; From the Department of Radiology, Union Hospital, Tongji Medical College of Huazhong University of Science and Technology, 1277 Jiefang Avenue, Wuhan 430022, People's Republic of China (X.H., X.J., Y.Z., Jie Liu, Y.L., Y.C., J.G., Jia Liu, C.Z., H.S.); Hubei Province Key Laboratory of Molecular Imag
  • Liu J; From the Department of Radiology, Union Hospital, Tongji Medical College of Huazhong University of Science and Technology, 1277 Jiefang Avenue, Wuhan 430022, People's Republic of China (X.H., X.J., Y.Z., Jie Liu, Y.L., Y.C., J.G., Jia Liu, C.Z., H.S.); Hubei Province Key Laboratory of Molecular Imag
  • Zheng C; From the Department of Radiology, Union Hospital, Tongji Medical College of Huazhong University of Science and Technology, 1277 Jiefang Avenue, Wuhan 430022, People's Republic of China (X.H., X.J., Y.Z., Jie Liu, Y.L., Y.C., J.G., Jia Liu, C.Z., H.S.); Hubei Province Key Laboratory of Molecular Imag
  • Ye Q; From the Department of Radiology, Union Hospital, Tongji Medical College of Huazhong University of Science and Technology, 1277 Jiefang Avenue, Wuhan 430022, People's Republic of China (X.H., X.J., Y.Z., Jie Liu, Y.L., Y.C., J.G., Jia Liu, C.Z., H.S.); Hubei Province Key Laboratory of Molecular Imag
  • Shi H; From the Department of Radiology, Union Hospital, Tongji Medical College of Huazhong University of Science and Technology, 1277 Jiefang Avenue, Wuhan 430022, People's Republic of China (X.H., X.J., Y.Z., Jie Liu, Y.L., Y.C., J.G., Jia Liu, C.Z., H.S.); Hubei Province Key Laboratory of Molecular Imag
Radiology ; 307(2): e222888, 2023 04.
Article in English | MEDLINE | ID: covidwho-2241300
ABSTRACT
Background Information on pulmonary sequelae and pulmonary function 2 years after recovery from SARS-CoV-2 infection is lacking. Purpose To longitudinally assess changes in chest CT abnormalities and pulmonary function in individuals after SARS-CoV-2 infection. Materials and Methods In this prospective study, participants discharged from the hospital after SARS-CoV-2 infection from January 20 to March 10, 2020, were considered for enrollment. Participants without chest CT scans at admission or with complete resolution of lung abnormalities at discharge were excluded. Serial chest CT scans and pulmonary function test results were obtained 6 months (June 20 to August 31, 2020), 12 months (December 20, 2020, to February 3, 2021), and 2 years (November 16, 2021, to January 10, 2022) after symptom onset. The term interstitial lung abnormality (ILA) and two subcategories, fibrotic ILAs and nonfibrotic ILAs, were used to describe residual CT abnormalities on follow-up CT scans. Differences between groups were compared with the χ2 test, Fisher exact test, or independent samples t test. Results Overall, 144 participants (median age, 60 years [range, 27-80 years]; 79 men) were included. On 2-year follow-up CT scans, 39% of participants (56 of 144) had ILAs, including 23% (33 of 144) with fibrotic ILAs and 16% (23 of 144) with nonfibrotic ILAs. The remaining 88 of 144 participants (61%) showed complete radiologic resolution. Over 2 years, the incidence of ILAs gradually decreased (54%, 42%, and 39% of participants at 6 months, 12 months, and 2 years, respectively; P < .001). Respiratory symptoms (34% vs 15%, P = .007) and abnormal diffusing capacity of lung for carbon monoxide (43% vs 20%, P = .004) occurred more frequently in participants with ILAs than in those with complete radiologic resolution. Conclusion More than one-third of participants had persistent interstitial lung abnormalities 2 years after COVID-19 infection, which were associated with respiratory symptoms and decreased diffusion pulmonary function. Chinese Clinical Trial Registry no. ChiCTR2000038609 © RSNA, 2023 Supplemental material is available for this article. See also the editorial by van Beek in this issue.
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Full text: Available Collection: International databases Database: MEDLINE Main subject: COVID-19 Type of study: Cohort study / Experimental Studies / Observational study / Prognostic study / Randomized controlled trials Topics: Long Covid Limits: Humans / Male / Middle aged Language: English Journal: Radiology Year: 2023 Document Type: Article

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Full text: Available Collection: International databases Database: MEDLINE Main subject: COVID-19 Type of study: Cohort study / Experimental Studies / Observational study / Prognostic study / Randomized controlled trials Topics: Long Covid Limits: Humans / Male / Middle aged Language: English Journal: Radiology Year: 2023 Document Type: Article