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The evolution of chest CT findings from admission to follow-up in 30 moderate to severe adult patients with COVID-19 pneumonia.
Zhou, Yunfeng; Ren, Hao; Wang, Shuo; You, Feng; Feng, Lei; Wang, Minhong; Wang, Jiangtao.
  • Zhou Y; The First Affiliated Hospital of Wannan Medical College, No.2 Zheshan West Road, Wuhu, 241001 Anhui Province The People's Republic of China.
  • Ren H; Xiangyang Central Hospital, Affiliated Hospital of Hubei University of Arts and Science, No.136 Jingzhou Street, Xiangyang, 441021 Hubei Province The People's Republic of China.
  • Wang S; The First Affiliated Hospital of Wannan Medical College, No.2 Zheshan West Road, Wuhu, 241001 Anhui Province The People's Republic of China.
  • You F; The First Affiliated Hospital of Wannan Medical College, No.2 Zheshan West Road, Wuhu, 241001 Anhui Province The People's Republic of China.
  • Feng L; The First Affiliated Hospital of Wannan Medical College, No.2 Zheshan West Road, Wuhu, 241001 Anhui Province The People's Republic of China.
  • Wang M; The First Affiliated Hospital of Wannan Medical College, No.2 Zheshan West Road, Wuhu, 241001 Anhui Province The People's Republic of China.
  • Wang J; Xiangyang Central Hospital, Affiliated Hospital of Hubei University of Arts and Science, No.136 Jingzhou Street, Xiangyang, 441021 Hubei Province The People's Republic of China.
Chin J Acad Radiol ; 4(1): 71-77, 2021.
Article in English | MEDLINE | ID: covidwho-1130990
ABSTRACT

OBJECTIVE:

To analyze the evolution of chest computed tomography (CT) findings from admission to follow-up in moderate to severe patients with coronavirus disease-19 (COVID-19) pneumonia.

METHODS:

During December 2019-April 2020, the sequential CT images of 30 patients with COVID-19 pneumonia were retrospectively analyzed from admission to follow-up. The qualitative evolution tendency of lung abnormalities and semi-quantitative CT scores were analyzed for temporal change.

RESULTS:

The mean hospitalized period was 24.5 ± 9.6 days (range 6-49 days). The average time from the first, second, third, fourth and follow-up CT examination to the initial symptom onset were 4.2 ± 3.1 days, 10.7 ± 4.4 days, 17.1 ± 3.9 days, 24.6 ± 7.5 days, and 42.4 ± 15.6 days, respectively. During illness day 0-5, groundglass opacity (GGO) was the main pattern. The following illness day 6-11, the main CT pattern was consolidation and reticular pattern. The consolidation and reticular pattern gradually dissipate during illness day 12-23, and the reticular pattern and light GGO increased. When illness day was ≥ 24 days, the reticular pattern and light GGO gradually decrease until complete dissipation. The highest CT score was at illness day 6-11. Pearson correlation analysis showed that the mean and maximum CT score were not correlated with the length of fever (r = 0.018, p = 0.923 and r = 0.086, p = 0.652) and hospitalization (r = 0.192, p = 0.31 and r = 0.273, p = 0.144).

CONCLUSIONS:

The dynamic evolution of CT manifestation in moderate to severe COVID-19 pneumonia patients followed a specific pattern over time. During illness day 6-11, the extent of lung abnormalities on chest CT was the most severe. SUPPLEMENTARY INFORMATION The online version contains supplementary material available at 10.1007/s42058-021-00058-2.
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Full text: Available Collection: International databases Database: MEDLINE Type of study: Cohort study / Prognostic study / Qualitative research Language: English Journal: Chin J Acad Radiol Year: 2021 Document Type: Article

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Full text: Available Collection: International databases Database: MEDLINE Type of study: Cohort study / Prognostic study / Qualitative research Language: English Journal: Chin J Acad Radiol Year: 2021 Document Type: Article