Abstract
To investigate the diagnostic values of serum presepsin, proadrenomedullin (proADM) and triggering receptor expressed on myeloid cells-1 (TREM-1) levels in children with acute pyelonephritis and lower urinary tract infection. Peripheral venous blood and urine samples were obtained before starting antibiotic therapy at the time of admission in all patients. Serum TREM-1, presepsin and proADM concentrations were determined by the enzyme-linked immunosorbent assay method. 82 children (38 acute pyelonephritis, 24 lower urinary tract infection, 20 controls) were enrolled. Serum proADM and TREM-1 levels were higher in patients with acute pyelonephritis than those of lower urinary tract infection and controls (P=0.001 and P<0.001, respectively). Both serum proADM and TREM-1 levels had predictive value for diagnosis of acute pyelonephritis (P=0.006 and P<0.001, respectively). ROC analysis showed that proADM and TREM-1 had positive predictive values for diagnosis of acute pyelonephritis (AUC=0.830, P=0.003; and AUC=0.843, P<0.001, respectively). Serum proADM and TREM-1 levels could serve as early biomarkers for the diagnosis of acute pyelonephritis in children.
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