• Tim-Philipp Simon, Lukas Martin, Sabine Doemming, Andreas Humbs, Christian Bruells, Ruedger Kopp, Oliver Hartmann, Joachim Struck, Andreas Bergmann, Gernot Marx, and Tobias Schuerholz.
• Department of Intensive Care and Intermediate Care, University Hospital RWTH Aachen, Pauwelsstr. 30, 52074 Aachen, Germany.
• J Crit Care. 2017 Apr 1; 38: 68-72.

PurposeAdrenomedullin is released by different tissues in hypoxia, oxidative stress, and inflammation and is found in general and medical patients and, recently, in sepsis patients in emergency departments. The aim of this study was to evaluate biologically active adrenomedullin that mirrors directly the active peptide levels in plasma of surgical intensive care unit (ICU) patients with sepsis.Materials And MethodsIn this single-center observational pilot trial, 42 ICU patients with sepsis and 14 patients after major surgery were included after sepsis diagnosis or ICU admission.ResultsPatients (66% male) were 70 (median) (interquartile range [IQR], 61-77]) years old and had a body mass index of 26.2 (24.2-29.4) kg/m2. The ICU and hospital length of stay was 8 (1-22) and 17 (8-21) days, respectively. Eight patients had sepsis, 19 developed severe sepsis, and 15 suffered from septic shock. Adrenomedullin increased with severity (sepsis: 25.8 pg/mL [IQR 20.3-40.2], severe sepsis: 84.2 pg/mL [IQR 42.7-118.5], septic shock: 119.7 pg/mL [IQR 83.8-172.6]; P<.0001). Higher adrenomedullin was associated with poor 90-day outcomes (P=.019) and more frequent vasopressor use (P=.001).ConclusionsThis is the first study investigating adrenomedullin in patients with sepsis following major surgery. Higher adrenomedullin on admission is associated with increased vasopressor need and mortality after 90 days. Thus, adrenomedullin may be a useful additional parameter in surgical patients with sepsis.Copyright © 2016 Elsevier Inc. All rights reserved.

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