• Guo-Feng Yu, Yuan-Qing Jie, An Wu, Qiang Huang, Wei-Min Dai, and Xiao-Feng Fan.
• Department of Neurosurgery, Quzhou People's Hospital, Kecheng District, Quzhou 324100, China.
• Clin. Chim. Acta. 2013 Jun 5;421:7-11.

Background8-Iso-Prostaglandin F2α (8-iso-PGF2α) is considered as a gold standard for measuring oxidative stress in vivo. The present study was undertaken to investigate plasma 8-iso-PGF2α concentrations in severe human traumatic brain injury (TBI) and to analyze its correlation with disease outcome.MethodsOne hundred six healthy subjects and 106 severe TBI patients were recruited. The correlations of plasma 8-iso-PGF2α concentration with 1-year mortality and unfavorable outcome (Glasgow Outcome Scale score of 1-3) were analyzed.ResultsThirty-one patients (29.2%) died and 48 patients (45.3%) had an unfavorable outcome at 1 year after TBI. Patients had significantly higher plasma 8-iso-PGF2α levels compared to healthy controls (572.1±157.5 pg/ml vs. 84.3±18.9 pg/ml, P<0.001). A multivariate analysis selected plasma 8-iso-PGF2α level as an independent predictor for 1-year unfavorable outcome [odds ratio (OR) 1.401, 95% confidence interval (CI) 1.107-2.371, P=0.005] and mortality (OR 1.609, 95% CI 1.113-3.142, P=0.003). A receiver operating characteristic curve analysis showed plasma 8-iso-PGF2α level predicted 1-year unfavorable outcome [area under curve (AUC), 0.871; 95% CI, 0.792-0.928] and mortality (AUC, 0.881; 95% CI, 0.804-0.936) as statistically significantly. The prognostic value of 8-iso-PGF2α was similar to that of Glasgow Coma Scale score for 1-year clinical outcomes (both P>0.05). However, 8-iso-PGF2α did not improve the prognostic value of Glasgow Coma Scale score for 1-year clinical outcomes (both P>0.05).ConclusionsPlasma 8-iso-PGF2α level is highly associated with 1-year clinical outcomes of TBI.Copyright © 2013 Elsevier B.V. All rights reserved.

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