Purpose: To estimate correlation between concentration of antioxidant system parameters in red blood cells in premature infants and prevalence of ROP MATERIAL AND METHODS: We examined 16 premature infants with the average birth weight of 1071 g and gestational age of 29.1 weeks. Supraoxide dismutase (SOD), reduced glutatione (GSH), and glutathione peroxidase (GSH-Px), were measured at day 1 (cord blood), 7-th and 14-th day after birth. Premature infants had ROP screening. The control group included 12 infants born at term.
Results: 8 premature infants had ROP There were higher levels of SOD, GSH and GSH-Px in premature infants with and without ROP than in control group. Premature infants with ROP had lowest levels of GSH.
Conclusions: The glutathione status of red blood cells as a oxidative stress index in premature infants might be a reliable parameter, facilitating the early recognition of patients in immediate danger of ROP development.
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