• Mariusz Piechota, Maciej Banach, Robert Irzmanski, Marcin Barylski, Magdalena Piechota-Urbanska, Jan Kowalski, and Lucjan Pawlicki.
• Department of Anaesthesiology and Intensive Care Unit, Medical University of Lodz, Poland.
• J Intensive Care Med. 2007 Jul 1;22(4):232-9.

AbstractDysfunction of the vascular endothelium (ET) causes an increase in serum ET-1 concentration, as observed in septic patients. It was assumed that in this patient population the ET-1 level correlates with the degree of sepsis severity, including the level of organ dysfunction and, in particular, the level of circulatory dysfunction. The aim of the present study was to assess the relationship between levels of ET-1 and levels of N-terminal brain natriuretic propeptide (NT-proBNP), procalcitonin (PCT), and C-reactive protein (CRP), as well as the Sepsis-related Organ Failure Assessment (SOFA) score in septic patients. PCT and CRP were used to estimate the level of sepsis severity; the SOFA score was used to estimate multiorgan dysfunction; and NT-proBNP was used as a marker of cardiac dysfunction. Twenty patients with sepsis and severe sepsis were included in the study. Blood serum ET-1, NT-proBNP, PCT, and CRP concentrations were determined at specific time intervals, and the SOFA score was calculated. Mean ET-1, NT-proBNP, PCT, and CRP concentrations were 8.39 pg/ml +/- 6.39 pg/mL, 140.80 pg/mL +/- 84.65 pg/mL, 22.32 ng/mL +/- 97.41 ng/mL, and 128.51 mg/L +/- 79.05 mg/L, respectively. Correlation between ET-1 levels and levels of NT-proBNP, PCT, and CRP was .3879 (P < .001), .358 (P < .001), and .225 (P = .011), respectively. Mean SOFA score was 6.31 pts +/- 3.75 pts. Correlation between the ET-1 levels and SOFA score was .470 (P < .001). Six patients (30%) died during the observation period of 28 days. ET-1 levels correlate with levels of NT-proBNP, PCT, and CRP, as well as the SOFA score in septic patients.

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