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Prediction injury of the central nervous system in the neonatal period in preterm newborns

Objective: to develop a system for predicting the probability of developing damage of the central nervoussystem (CNS) in the neonatal period in children who was born prematurely. Materials and methods: the main group of the study is premature newborns with gestational age (GA) less than 36 weeks inclusive (n = 60), the control group – fullterm newborns (n = 35). In the process of dynamic observation, the main group was divided into subgroups depending on the diagnosed CNS injury in the neonatal period, according to the neurosonography (intraventricular hemorrhages (IVH), periventricular leukomalacia (PVL): subgroup 1 (prematurity babies with CNS injury) – 25 people, subgroup 2 (premature babies without CNS injury) – 35 people. we estimated clinical and anamnestic, laboratory and instrumental data of children at birth and in dynamics, indicators of antioxidant protection (manganese-containing superoxide dismutase (Mn-SOD), copper, zinc-containing superoxide dismutase (Cu, Zn-SOD), reduced glutathione (GSH), oxidized glutathione (GSSG), total antioxidant capacity of blood (TAS/TAC), oxidative stress (TOS/TOC), 4 polymorphisms of Mn-SOD gene. Results: we designed two prognostic models which can determine the probability of developing IVH and PVL in the neonatal period in premature newborns. This models are included GA, Apgar scores at 1 and 5 minutes of life, presence of respiratory failure at birth, invasive mechanical ventilation in the neonatal period, presence of intrauterine infection in the neonatal period and indicators of antioxidant protection (GSH, TAS/TAC; model 2). Conclusions: a comprehensive assessment of the clinical and anamnestic data of premature newborns at birth, as well as the determination of indicators that take into account the level of antioxidant protection, will make it possible to identify a premature baby at the risk for organic injury of the CNS and to correct the therapeutic strategies in the neonatal period.