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Association between early detection of soluble TNF-receptors and mortality in burn patients

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Abstract.

Objectives: To describe early sequential profiling of circulating levels of tumor necrosis factor alpha (TNF-α), TNF-1 and TNF-2 soluble receptors (sTNFR1 and sTNFR2), and of endothelin (ET-1) in patients with severe burn injury, and its association with mortality. Design: Prospective study. Setting: Intensive Care Burn Unit at a community hospital. Patients: Twenty patients with total burn surface area (TBSA)≥30%. Interventions: None. Measurements and results: Patients were enrolled within 6 h from the injury. Blood samples were drawn at zero, 6, 12, and 24 h for sequential ELISA measurement of plasma marker levels. Data are expressed as mean±SD. Age, TBSA, and inhalation injury were not significantly different between survivors (n=9; 30±13 years, TBSA 40±12%) and nonsurvivors (n=11, 38±15 years, TBSA 56±20%). sTNFR1 levels were increased in nonsurvivors (2937±1676 pg/ml; 4548±1436 pg/ml) as compared to survivors (1313±561 pg/ml; 2561±804 pg/ml) at 6 h and 24 h, respectively (P=0.01 and 0.002). sTNFR2 levels were significantly increased in nonsurvivors (4617±1,876 pg/ml vs 2611±1,326 pg/ml) only at 6 h (P=0.015). TNF-α and ET-1 levels were not different between nonsurvivors and survivors. After adjustment for TBSA, sTNFR1 and sTNFR2 remained significantly higher in nonsurvivors. Conclusion: Early and progressive increase in sTNFR1 and sTNFR2 levels is associated with higher risk for poor outcome in severely burned patients.

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Ribeiro, C., Andrade, C., Polanczyk, C. et al. Association between early detection of soluble TNF-receptors and mortality in burn patients. Intensive Care Med 28, 472–478 (2002). https://doi.org/10.1007/s00134-001-1190-5

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  • Burns Inflammation TNF-receptors Mortality Prognosis