• Yingying Fang, Chunsheng Li, Rui Shao, Han Yu, and Qing Zhang.
• Emergency Department, Peking University Third Hospital, No. 49 North Garden Road, Hai-dian District, Beijing 100191, China.
• Thromb. Res. 2018 Nov 1; 171: 149-154.

IntroductionEndothelial dysfunction plays an essential role in the pathogenesis of sepsis. The study aimed to illustrate the associations between the dynamic change (from day 1 to day 7) in biomarker concentration of endothelial dysfunction and outcomes in severe sepsis and septic shock in the intensive care unit (ICU).Materials And MethodsWe studied 102 patients enrolled in the Beijing Chao-yang Hospital affiliated with the Capital Medical University. A receiver operating characteristic (ROC) curve were used to assess the prognostic values of the circulating adhesion Angiopoietin-2/Angiopoietin-1 ratio (Ang-2/Ang-1) and Angiopoietin-1/Tie-2 ratio (Ang-1/Tie-2), intercellular adhesion molecule (ICAM)-1, vascular cell adhesion molecule (VCAM)-1 and thrombomodulin (TM). Spearman's rank correlation and a multiple regression analysis were used to assess the relationship between the change in sequential organ failure assessment (Δ SOFA) score (SOFA score at day 7 minus SOFA score at day 1) and the levels of Δ Ang-2/Ang-1 and Δ Ang-1/Tie-2 ratios, ΔsICAM-1, ΔsVCAM-1 and Δ sTM.ResultsThe Ang-2/Ang-1 ratio, sICAM-1, sVCAM-1 and sTM levels significantly increased from day 1 to day 7 (all p = 0.045), and the Ang-1/Tie-2 ratio level markedly decreased from day 1 and day 7 (p = 0.027) in non-survivors. The biomarkers at Days 1 and 7 had significant prognostic value for 90-day mortality in severe sepsis and septic shock in ICU. The difference in biomarkers for endothelial dysfunction were suggested to be effective, independent predictors of changes in Δ SOFA.ConclusionsEndothelial dysfunction may constitute an independent contributor to sepsis-associated outcomes in ICU.Copyright © 2018 The Authors. Published by Elsevier Ltd.. All rights reserved.

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