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. 2021 Mar 26;26(1):29.
doi: 10.1186/s40001-021-00501-1.

EuroScore and IL-6 predict the course in ICU after cardiac surgery

Andreas Bauer #  1   2 , Insa Korten #  3 , Gerd Juchem  4 , Isabel Kiesewetter  1 , Erich Kilger  1 , Jens Heyn  5   6
Affiliations

EuroScore and IL-6 predict the course in ICU after cardiac surgery

Andreas Bauer et al. Eur J Med Res. .

Abstract

Background: Despite modern advances in intensive care medicine and surgical techniques, mortality rates in cardiac surgical patients are still about 3%. Considerable efforts were made to predict morbidity and mortality after cardiac surgery. In this study, we analysed the predictive properties of EuroScore and IL-6 for mortality in ICU, prolonged postoperative mechanical ventilation, and prolonged stay in ICU.

Methods: We enrolled 2972 patients undergoing cardiac surgery. The patients either underwent aortic valve surgery (AV), mitral valve surgery (MV), coronary artery bypass grafting (CABG), and combined operations of aortic valve and coronary artery bypass grafting (AV + CABG) or of mitral and tricuspid valve (MV + TV). Different laboratory and clinical parameters were analysed.

Results: EuroScore as well as IL-6 were associated with increased mortality after cardiac surgery. Furthermore, a higher EuroScore and elevated levels of IL-6 were predictors for prolonged mechanical ventilation and a longer stay in ICU. Especially, highly significant elevated IL-6 levels and an increased EuroScore showed a strong association. Statistics suggested superiority when both parameters were combined in a single model.

Conclusion: Our results suggest that EuroScore and IL-6 are helpful in predicting the course in ICU after cardiac surgery, and therefore, the use of intensive care resources. Especially, the combination of highly elevated levels of IL-6 and EuroScore may prove to be excellent predictors for an unfortunate postoperative course in ICU.

Keywords: Cardiac surgery; EuroScore; IL-6; Intensive care medicine; Outcome.

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Conflict of interest statement

JH is also an employee of Sandoz/Hexal, which neither affected the conception and conduction of the study nor the content of this manuscript.

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