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Minerva Anestesiologica 2021 November;87(11):1217-25

DOI: 10.23736/S0375-9393.21.15711-6

Copyright © 2021 EDIZIONI MINERVA MEDICA

lingua: Inglese

Fever management in critically ill COVID-19 patients: a retrospective analysis

Lorenzo PELUSO 1 , Federica MONTANARO 1, 2, Antonio IZZI 1, Alessandra GARUFI 1, Narcisse NDIEUGNOU DJANGANG 1, Amandine POLAIN 1, Andrea MININI 1, Elisa GOUVEA BOGOSSIAN 1, Filippo ANNONI 1, Savino SPADARO 2, Jacques CRETEUR 1, Fabio S. TACCONE 1

1 Department of Intensive Care Medicine, Erasme University Hospital, Brussels, Belgium; 2 Intensive Care Unit, Department of Morphology, Surgery and Experimental Medicine, Sant’Anna University Hospital, Ferrara, Italy



BACKGROUND: Fever has been reported as a common symptom in COVID-19 patients. The aim of the study was to describe the characteristics of COVID-19 critically ill patients with fever and to assess if fever management had an impact on some physiologic variables.
METHODS: This is a retrospective monocentric cohort analysis of critically ill COVID-19 patients admitted to the Department of Intensive Care Unit (ICU) of Erasme Hospital, Brussels, Belgium, between March 2020 and May 2020. Fever was defined as body temperature ≥38 °C during the ICU stay. We assessed the independent predictors of fever during ICU stay. We reported the clinical and physiological variables before and after the first treated episode of fever during the ICU stay.
RESULTS: A total of 72 critically ill COVID-19 patients were admitted to the ICU over the study period and were all eligible for the final analysis; 53 (74%) of them developed fever, after a median of 4 [0-13] hours since ICU admission. In the multivariable analysis, male gender (OR 5.41 [C.I. 95% 1.34-21.92]; P=0.02) and low PaO2/FiO2 ratio (OR 0.99 [C.I. 95% 0.99-1.00]; P=0.04) were independently associated with fever. After the treatment of the first febrile episode, heart rate and respiratory rate significantly decreased together with an increase in PaO2 and SaO2.
CONCLUSIONS: In our study, male gender and severe impairment of oxygenation were independently associated with fever in critically ill COVID-19 patients. Fever treatment reduced heart rate and respiratory rate and improved systemic oxygenation.


KEY WORDS: Sars-CoV-2; Cell respiration; Intensive care units; Lung injury

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