Comparison of the Main Staging Systems for Assessing the Severity of Lung Injury in Patients with COVID-19 and Evaluation of Their Predictive Value

Objective: to compare the results of staging the severity of viral pneumonia in patients with COVID-19 based on the results of chest computed tomography (CT) using the empirical visual scale CT 0–4 and chest CT severity score (CT-SS) point scale, as well as to assess their prognostic value.Material...

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Main Authors: Y. S. Kudryavtsev, M. M. Beregov, A. B. Berdalin, V. G. Lelyuk
Format: Article
Language:English
Published: Luchevaya Diagnostika, LLC 2021-11-01
Series:Вестник рентгенологии и радиологии
Subjects:
Online Access:https://www.russianradiology.ru/jour/article/view/669
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author Y. S. Kudryavtsev
M. M. Beregov
A. B. Berdalin
V. G. Lelyuk
author_facet Y. S. Kudryavtsev
M. M. Beregov
A. B. Berdalin
V. G. Lelyuk
author_sort Y. S. Kudryavtsev
collection DOAJ
description Objective: to compare the results of staging the severity of viral pneumonia in patients with COVID-19 based on the results of chest computed tomography (CT) using the empirical visual scale CT 0–4 and chest CT severity score (CT-SS) point scale, as well as to assess their prognostic value.Material and methods. Chest CT scans and anamnestic data in patients hospitalized to a non-specialized center repurposed for the treatment of new coronavirus infection, were analyzed. Chest CT analysis was performed by two radiologists using CT 0–4 and CT-SS scales.Results. The time course of changes in the severity of lung parenchymal lesions, by using both scales, was found to be similar: the maximum magnitude of lung tissue changes was recorded on day 5 of the disease. In cases of death, there was a significantly more extensive lung parenchymal involvement at admission to the center than in recovered patients, which was also true for both CT data assessment systems. Bothscales demonstrated comparable diagnostic and prognostic value: there were no statistically significant differences in sensitivity, specificity, and predictive value of a fatal outcome. Both the CT 0–4 scales and the CT-SS are based on the estimation of the volume of the affected lung tissue, but when the CT 0–4 scale was employed, additional criteria were used in some cases: the presence of hydrothorax and the determination of the maximum score for the most affected lung. Not all patients with a pronounced CT picture of viral pneumonia had a fatal outcome, which may indicate the presence of other factors that increase its risk.Conclusion. Both CT 0–4 and CT-SS scales have similar predictive values. The greater severity of parenchymal damage assessed by these CT scales was associated with the higher mortality rate.
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spelling doaj.art-01758c9184d348bfa58ceec5bcdf8cb82025-02-21T12:05:30ZengLuchevaya Diagnostika, LLCВестник рентгенологии и радиологии0042-46762619-04782021-11-01102529630310.20862/0042-4676-2021-102-5-296-303392Comparison of the Main Staging Systems for Assessing the Severity of Lung Injury in Patients with COVID-19 and Evaluation of Their Predictive ValueY. S. Kudryavtsev0M. M. Beregov1A. B. Berdalin2V. G. Lelyuk3Radiology and Clinical Physiology Research Center, Federal Center of Brain Research and Neurotechnologies, Federal Medical Biological AgencyRadiology and Clinical Physiology Research Center, Federal Center of Brain Research and Neurotechnologies, Federal Medical Biological AgencyRadiology and Clinical Physiology Research Center, Federal Center of Brain Research and Neurotechnologies, Federal Medical Biological AgencyRadiology and Clinical Physiology Research Center, Federal Center of Brain Research and Neurotechnologies, Federal Medical Biological AgencyObjective: to compare the results of staging the severity of viral pneumonia in patients with COVID-19 based on the results of chest computed tomography (CT) using the empirical visual scale CT 0–4 and chest CT severity score (CT-SS) point scale, as well as to assess their prognostic value.Material and methods. Chest CT scans and anamnestic data in patients hospitalized to a non-specialized center repurposed for the treatment of new coronavirus infection, were analyzed. Chest CT analysis was performed by two radiologists using CT 0–4 and CT-SS scales.Results. The time course of changes in the severity of lung parenchymal lesions, by using both scales, was found to be similar: the maximum magnitude of lung tissue changes was recorded on day 5 of the disease. In cases of death, there was a significantly more extensive lung parenchymal involvement at admission to the center than in recovered patients, which was also true for both CT data assessment systems. Bothscales demonstrated comparable diagnostic and prognostic value: there were no statistically significant differences in sensitivity, specificity, and predictive value of a fatal outcome. Both the CT 0–4 scales and the CT-SS are based on the estimation of the volume of the affected lung tissue, but when the CT 0–4 scale was employed, additional criteria were used in some cases: the presence of hydrothorax and the determination of the maximum score for the most affected lung. Not all patients with a pronounced CT picture of viral pneumonia had a fatal outcome, which may indicate the presence of other factors that increase its risk.Conclusion. Both CT 0–4 and CT-SS scales have similar predictive values. The greater severity of parenchymal damage assessed by these CT scales was associated with the higher mortality rate.https://www.russianradiology.ru/jour/article/view/669covid-19computed tomographyviral pneumoniapneumonia staging
spellingShingle Y. S. Kudryavtsev
M. M. Beregov
A. B. Berdalin
V. G. Lelyuk
Comparison of the Main Staging Systems for Assessing the Severity of Lung Injury in Patients with COVID-19 and Evaluation of Their Predictive Value
Вестник рентгенологии и радиологии
covid-19
computed tomography
viral pneumonia
pneumonia staging
title Comparison of the Main Staging Systems for Assessing the Severity of Lung Injury in Patients with COVID-19 and Evaluation of Their Predictive Value
title_full Comparison of the Main Staging Systems for Assessing the Severity of Lung Injury in Patients with COVID-19 and Evaluation of Their Predictive Value
title_fullStr Comparison of the Main Staging Systems for Assessing the Severity of Lung Injury in Patients with COVID-19 and Evaluation of Their Predictive Value
title_full_unstemmed Comparison of the Main Staging Systems for Assessing the Severity of Lung Injury in Patients with COVID-19 and Evaluation of Their Predictive Value
title_short Comparison of the Main Staging Systems for Assessing the Severity of Lung Injury in Patients with COVID-19 and Evaluation of Their Predictive Value
title_sort comparison of the main staging systems for assessing the severity of lung injury in patients with covid 19 and evaluation of their predictive value
topic covid-19
computed tomography
viral pneumonia
pneumonia staging
url https://www.russianradiology.ru/jour/article/view/669
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