Lower blood pH as a strong prognostic factor for fatal outcomes in critically ill COVID-19 patients at an intensive care unit: A multivariable analysis

Kieninger, Martin and Sinning, Annemarie and Vadasz, Timea and Gruber, Michael and Gronwald, Wolfram and Zeman, Florian and Lunz, Dirk and Dienemann, Thomas and Schmid, Stephan and Graf, Bernhard and Lubnow, Matthias and Mueller, Thomas and Holzmann, Thomas and Salzberger, Bernd and Kieninger, Baerbel (2021) Lower blood pH as a strong prognostic factor for fatal outcomes in critically ill COVID-19 patients at an intensive care unit: A multivariable analysis. PLOS ONE, 16 (9): e0258018. ISSN 1932-6203,

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Abstract

Background Data of critically ill COVID-19 patients are being evaluated worldwide, not only to understand the various aspects of the disease and to refine treatment strategies but also to improve clinical decision-making. For clinical decision-making in particular, prognostic factors of a lethal course of the disease would be highly relevant. Methods In this retrospective cohort study, we analyzed the first 59 adult critically ill Covid-19 patients treated in one of the intensive care units of the University Medical Center Regensburg, Germany. Using uni- and multivariable regression models, we extracted a set of parameters that allowed for prognosing in-hospital mortality. Results Within the cohort, 19 patients died (mortality 32.2%). Blood pH value, mean arterial pressure, base excess, troponin, and procalcitonin were identified as highly significant prognostic factors of in-hospital mortality. However, no significant differences were found for other parameters expected to be relevant prognostic factors, like low arterial partial pressure of oxygen or high lactate levels. In the multivariable logistic regression analysis, the pH value and the mean arterial pressure turned out to be the most influential prognostic factors for a lethal course.

Item Type: Article
Uncontrolled Keywords: ;
Subjects: 600 Technology > 610 Medical sciences Medicine
Divisions: Medicine > Lehrstuhl für Anästhesiologie
Medicine > Lehrstuhl für Chirurgie
Medicine > Institut für Funktionelle Genomik > Lehrstuhl für Funktionelle Genomik (Prof. Oefner)
Medicine > Lehrstuhl für Innere Medizin I
Medicine > Lehrstuhl für Innere Medizin II
Medicine > Zentren des Universitätsklinikums Regensburg > Zentrum für Klinische Studien
Depositing User: Dr. Gernot Deinzer
Date Deposited: 05 Jul 2022 07:02
Last Modified: 05 Jul 2022 07:02
URI: https://pred.uni-regensburg.de/id/eprint/45595

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