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Updated: Sep 1, 2025
Lung CT Segmentation to Identify Consolidations and Ground Glass Areas for Quantitative Assesment of SARS-CoV Pneumonia
Published on: December 19, 2020
Lung involvement correlates with disability in MS patients with COVID-19 pneumonia
Paolo Immovilli1, Irene Schiavetti2, Cinzia Cordioli3
1Emergency Department, Neurology Unit, Guglielmo da Saliceto Hospital, Via Giuseppe Taverna 39, 29121, Piacenza, Italy. paolo.immovilli.md@gmail.com.
Introduction:
The visual-well aerated lung (V-WAL) is a score for the visual quantification of the well aerated lung on CT scan in COVID-19 patients and its value at admission seems to predict future COVID-19 severity. The aim of the present study was to analyze the association between V-WAL and risk factors for severe COVID-19 evolution in people with multiple sclerosis.
Materials And Methods:
This is an observational retrospective study, including people with multiple sclerosis and concomitant COVID-19, who were investigated with a lung CT scan at Hospital admission. The association of V-WAL with age, sex, EDSS, comorbidities, recent steroid use, and treatment (anti-CD20 vs other) was assessed by a multivariate linear regression model.
Results:
In this observational retrospective study, the only factor that was significantly associated to a lower V-WAL at multivariable analysis was an increasing level of the EDSS (R2 = 0.41, p = 0.001), with an average decrease of 8% of V-WAL for each additional EDSS point.
Discussion And Conclusion:
This analysis shows that a high EDSS level is the main factor associated to the severity of lung involvement in a group of people with multiple sclerosis who were hospitalized for Covid-19.
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