Ultrasound assessment of pulmonary fibroproliferative changes in severe COVID-19: a quantitative correlation study with histopathological findings
Purpose This study was designed to evaluate the usefulness of lung ultrasound (LUS) imaging to characterize the progression and severity of lung damage in cases of COVID-19. Methods We employed a set of combined ultrasound parameters and histopathological images obtained simultaneously in 28 patients (15 women, 0.6–83 years) with fatal COVID-19 submitted to minimally invasive autopsies, with different times of disease evolution from initial symptoms to death (3–37 days, median 18 days). For each patient, we analysed eight post-mortem LUS parameters and the proportion of three histological patterns (normal lung, exudative diffuse alveolar damage [DAD] and fibroproliferative DAD) in eight different lung regions. The relationship between histopathological and post-mortem ultrasonographic findings was assessed using various statistical approaches. Results Statistically significant positive correlations were observed between fibroproliferative DAD and peripheral consolidation (coefficient 0.43, p = 0.02) and pulmonary consolidation (coefficient 0.51, p = 0.005). A model combining age, time of evolution, sex and ultrasound score predicted reasonably well (r = 0.66) the proportion of pulmonary parenchyma with fibroproliferative DAD. Conclusion The present study adds information to previous studies related to the use of LUS as a tool to assess the severity of acute pulmonary damage. We provide a histological background that supports the concept that LUS can be used to characterize the progression and severity of lung damage in severe COVID-19..
| Medienart: |
Artikel |
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| Erscheinungsjahr: |
2021 |
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| Erschienen: |
2021 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:47 |
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| Enthalten in: |
Intensive care medicine - 47(2021), 2 vom: 03. Jan., Seite 199-207 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
de Almeida Monteiro, Renata Aparecida [VerfasserIn] |
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| Links: |
Volltext [lizenzpflichtig] |
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| Themen: |
Acute lung injury |
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| Anmerkungen: |
© Springer-Verlag GmbH Germany, part of Springer Nature 2021 |
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| doi: |
10.1007/s00134-020-06328-4 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
OLC212358696X |
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| 245 | 1 | 0 | |a Ultrasound assessment of pulmonary fibroproliferative changes in severe COVID-19: a quantitative correlation study with histopathological findings |
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| 520 | |a Purpose This study was designed to evaluate the usefulness of lung ultrasound (LUS) imaging to characterize the progression and severity of lung damage in cases of COVID-19. Methods We employed a set of combined ultrasound parameters and histopathological images obtained simultaneously in 28 patients (15 women, 0.6–83 years) with fatal COVID-19 submitted to minimally invasive autopsies, with different times of disease evolution from initial symptoms to death (3–37 days, median 18 days). For each patient, we analysed eight post-mortem LUS parameters and the proportion of three histological patterns (normal lung, exudative diffuse alveolar damage [DAD] and fibroproliferative DAD) in eight different lung regions. The relationship between histopathological and post-mortem ultrasonographic findings was assessed using various statistical approaches. Results Statistically significant positive correlations were observed between fibroproliferative DAD and peripheral consolidation (coefficient 0.43, p = 0.02) and pulmonary consolidation (coefficient 0.51, p = 0.005). A model combining age, time of evolution, sex and ultrasound score predicted reasonably well (r = 0.66) the proportion of pulmonary parenchyma with fibroproliferative DAD. Conclusion The present study adds information to previous studies related to the use of LUS as a tool to assess the severity of acute pulmonary damage. We provide a histological background that supports the concept that LUS can be used to characterize the progression and severity of lung damage in severe COVID-19. | ||
| 650 | 4 | |a COVID-19 | |
| 650 | 4 | |a Lung ultrasound | |
| 650 | 4 | |a Diffuse alveolar damage | |
| 650 | 4 | |a Autopsy | |
| 650 | 4 | |a Minimally invasive autopsy | |
| 650 | 4 | |a Pathology | |
| 650 | 4 | |a Acute lung injury | |
| 700 | 1 | |a Duarte-Neto, Amaro Nunes |4 aut | |
| 700 | 1 | |a Ferraz da Silva, Luiz Fernando |4 aut | |
| 700 | 1 | |a de Oliveira, Ellen Pierre |4 aut | |
| 700 | 1 | |a do Nascimento, Ellen Caroline Toledo |4 aut | |
| 700 | 1 | |a Mauad, Thais |4 aut | |
| 700 | 1 | |a Saldiva, Paulo Hilário do Nascimento |4 aut | |
| 700 | 1 | |a Dolhnikoff, Marisa |0 (orcid)0000-0002-9073-9989 |4 aut | |
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