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Mediastinal lymph node enlargement in COVID-19: Relationships with mortality and CT findings

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info:eu-repo/semantics/openAccess

Date

2022

Author

Kaya, Ahmet Turan
Akman, Burcu

Metadata

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Abstract

Background: The presence of mediastinal lymph node enlargement (MLNE) in computed tomography (CT) of Coronavirus disease 2019 (COVID-19) patients can be associated with disease severity. Objectives: To investigate the relationship between MLNE with intensive care unit admission (ICU), mortality rates, and CT findings, especially in early-stage COVID-19 patients. Methods: This single-center retrospective case-control study, included aged >= 18 years, 250 COVID-19 patients with positive RT-PCR tests. We included two patient groups, 125/250 with and without MLNE. Demographic information of the patients, laboratory findings, length of stay in hospital or ICU, mortality rates, initial CT imaging findings and CT severity scores (CT-SS) were recorded and their relationship with MLNE was investigated. Results: Patients with MLNE were older (69.61 +/- 11.16; p < 0.001) and had a higher CT-SS (14.67 +/- 7.55; p < 0.001). There was a significant difference between the presence of MLNE with mortality (58/77, 75.3%; p < 0.001) and ICU admission (49/61, 80.3%; p < 0.001). Also, a statistical association was found between MLNE with ICU admission (p = 0.001) and (p < 0.001) mortality rates in patients with CORADS <= 2 CT findings. In multivariate logistic regression analysis, MLNE was 8.8-fold (95% CI: 1.62-47.86, p = 0.01) more correlated with linear opacity and 0.25-fold with bronchial wall thickening (95% CI: 0.07-0.92, p = 0.04). Conclusion: Mediastinal lymph node enlargement is an important CT finding that can predict the severe prognosis of COVID-19 patients. Even in patients without lung involvement on initial CT, the presence of MLNE should be carefully examined as it is associated with disease severity. (C) 2022 Elsevier Inc. All rights reserved.

Volume

54

URI

https://doi.org/10.1016/j.hrtlng.2022.03.006
https://hdl.handle.net/20.500.12450/2220

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  • PubMed İndeksli Yayınlar Koleksiyonu [458]
  • Scopus İndeksli Yayınlar Koleksiyonu [1574]
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