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Erschienen in: European Radiology 6/2022

13.01.2022 | COVID-19 | Chest Zur Zeit gratis

Lung vessel volume evaluated with CALIPER software is an independent predictor of mortality in COVID-19 patients: a multicentric retrospective analysis

verfasst von: Chiara Romei, Zeno Falaschi, Pietro S. C. Danna, Chiara Airoldi, Michele Tonerini, Erika Rocchi, Salvatore C. Fanni, Claudio D’Amelio, Greta Barbieri, Giusy Tiseo, Roberto Arioli, Alessio Paschè, Ronald A. Karwoski, Annalisa De Liperi, Brian J. Bartholmai, Alessandro Carriero

Erschienen in: European Radiology | Ausgabe 6/2022

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Abstract

Introduction

Computer-Aided Lung Informatics for Pathology Evaluation and Ratings (CALIPER) software has already been widely used in the evaluation of interstitial lung diseases (ILD) but has not yet been tested in patients affected by COVID-19. Our aim was to use it to describe the relationship between Coronavirus Disease 2019 (COVID-19) outcome and the CALIPER-detected pulmonary vascular-related structures (VRS).

Materials and methods

We performed a multicentric retrospective study enrolling 570 COVID-19 patients who performed a chest CT in emergency settings in two different institutions. Fifty-three age- and sex-matched healthy controls were also identified. Chest CTs were analyzed with CALIPER identifying the percentage of VRS over the total lung parenchyma. Patients were followed for up to 72 days recording mortality and required intensity of care.

Results

There was a statistically significant difference in VRS between COVID-19-positive patients and controls (median (iqr) 4.05 (3.74) and 1.57 (0.40) respectively, p = 0.0001). VRS showed an increasing trend with the severity of care, p < 0.0001. The univariate Cox regression model showed that VRS increase is a risk factor for mortality (HR 1.17, p < 0.0001). The multivariate analysis demonstrated that VRS is an independent explanatory factor of mortality along with age (HR 1.13, p < 0.0001).

Conclusion

Our study suggests that VRS increases with the required intensity of care, and it is an independent explanatory factor for mortality.

Key Points

The percentage of vascular-related structure volume (VRS) in the lung is significatively increased in COVID-19 patients.
VRS showed an increasing trend with the required intensity of care, test for trend p< 0.0001.
Univariate and multivariate Cox models showed that VRS is a significant and independent explanatory factor of mortality.
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Metadaten
Titel
Lung vessel volume evaluated with CALIPER software is an independent predictor of mortality in COVID-19 patients: a multicentric retrospective analysis
verfasst von
Chiara Romei
Zeno Falaschi
Pietro S. C. Danna
Chiara Airoldi
Michele Tonerini
Erika Rocchi
Salvatore C. Fanni
Claudio D’Amelio
Greta Barbieri
Giusy Tiseo
Roberto Arioli
Alessio Paschè
Ronald A. Karwoski
Annalisa De Liperi
Brian J. Bartholmai
Alessandro Carriero
Publikationsdatum
13.01.2022
Verlag
Springer Berlin Heidelberg
Schlagwort
COVID-19
Erschienen in
European Radiology / Ausgabe 6/2022
Print ISSN: 0938-7994
Elektronische ISSN: 1432-1084
DOI
https://doi.org/10.1007/s00330-021-08485-6

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