• Petra Hillinger, Viktoria D Mayr, Markus Luger, Helmuth Tauber, Günter Luckner, Nils G Morgenthaler, Martin Dünser, and Stefan Jochberger.
• Department of Anaesthesia and Intensive Care Medicine, University Hospital Innsbruck, Innsbruck, Austria. Electronic address: petra.hillinger@tirol-kliniken.at.
• J Crit Care. 2022 Jun 1; 69: 154009.

PurposeThe aim of this study was to analyse the course of adrenomedullin (ADM) and endothelin-1 (ET-1) levels in patients with vasodilatory shock after cardiac surgery and to explore differences compared to patients after uncomplicated coronary artery bypass graft (CABG) surgery. ADM and ET-1 are involved in the vasomotor response during vasodilatory shock.Materials And MethodsWe included 32 patients with vasodilatory shock (study group) and 10 patients after uncomplicated CABG surgery (control group). Daily measurements of MR-proADM and CT-proET-1 (stable surrogate markers for ADM and ET-1) were collected during the first 7 postoperative days.ResultsMR-proADM and CT-proET-1 levels were significantly elevated in the study group when compared to the control group. In addition, the course of both biomarkers was significantly different in the study versus control group. Higher levels of both biomarkers were associated with organ dysfunction (higher maximum multiple organ dysfunction score, acute kidney injury).ConclusionsSignificantly higher levels of MR-proADM and CT-proET-1 and a different course of both biomarkers were observed in patients with vasodilatory shock after cardiac surgery and seemed to be associated with organ dysfunction.Copyright © 2022 Elsevier Inc. All rights reserved.

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