Abstract
Introduction. Full - term newborns with clinical signs of severe perinatal pathology constitute a high risk group of the formation of urinary system functional disorders, the diagnostic of which in the early neonatal period is complicated. Objective of the research was to study the condition of renal functions in critically ill full - term newborns during the first week of their life by means of detection of specific biomarkers level in the blood serum and urine. Materials and methods. A comprehensive clinical - paraclinical examination of 36 critically ill newborns (the main group) and 37 conditionally healthy newborns (the control group) has been conducted. Laboratory methods ofexamination included detection of the levels of creatinine, urea, sodium and potassium ions in the blood and urine, as well as protein, albumin, immunoglobulin G, a - - microglobulinand $ - microglobulinin urine. Results and discussion. The neonates of the main group as compared to the control one presented statistically significant higher levels of creatinine (р