Journal
AMERICAN JOURNAL OF EMERGENCY MEDICINE
Volume 34, Issue 3, Pages 375-380Publisher
W B SAUNDERS CO-ELSEVIER INC
DOI: 10.1016/j.ajem.2015.11.004
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Funding
- Science and Technology Program of Guangzhou City of China [2014Y2-00136]
- Science and Technology Program of Guangdong Province of China [2014A020212151]
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Objectives: The level of soluble urokinase-type plasminogen activator receptor (suPAR) is significantly increased in sepsis. We investigated whether suPAR could be a valuable biomarker in sepsis. Methods: We measured suPAR and procalcitonin (PCT) levels, recorded the Acute Physiology and Chronic Health Evaluation (APACHE) II and Sequential Organ Failure Assessment scores of engaged subjects, and drew Receiver Operating Characteristics curves. Results: The plasma suPAR and serum PCT levels of the sepsis group were higher than those of the systemic inflammatory response syndrome and control groups. Using suPAR to distinguish systemic inflammatory response syndrome from sepsis on day 1, the area under the curve (AUC) curve was 0.817, and when suPAR and PCT were used in combination to diagnose sepsis, the AUC was 0.927. At a cutoff point of 9.52 ng/mL, the sensitivity and specificity for diagnosis of sepsis using suPAR were 71.93% and 95.46%, respectively. At a cutoff point of 12.01 ng/mL, the sensitivity and specificity for distinguishing survival and mortality by suPAR were 87.1% and 72.5%, respectively. When suPAR and the APACHE II score were combined to distinguish survival from mortality, the AUC was 0.857. The plasma suPAR level was positively correlated with the serum PCT level (r=0.326, P < .001), APACHE II score (r = 0.492, P < .001), and Sequential Organ Failure Assessment score (r = 0.386, P < .001). Conclusions: Use of both plasma suPAR and PCT levels enhanced the efficiency of sepsis diagnosis, and the combination of plasma suPAR and APACHE II score improved mortality prediction. (C) 2015 Elsevier Inc. All rights reserved.
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