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Published on: November 20, 2015
Oxidative stress in infants born to preeclamptic mothers
Ayhan Tastekin1, Rahmi Ors, Berna Demircan
1Division of Neonatology, Atatürk University Faculty of Medicine, Erzurum, Turkey. doktorayhan67@hotmail.com
Background:
Oxidative stress may play an important role in the pathophysiology of preeclampsia. An increase in lipid peroxidation products and a decrease in antioxidant activity in preeclamptic women have been reported in many papers. The objective of this study was to evaluate oxidative stress in infants born to preeclamptic mothers.
Methods:
Malondialdehyde (MDA) and glutathione (GSH) levels and glutathione peroxidase (GPx) and superoxide dismutase (SOD) activities were measured in cord plasma of infants born to preeclamptic (n = 18) or normotensive (n = 9) mothers.
Results:
Gestational age was similar in both groups. The mean birth weight was significantly lower in the preeclamptic group (P = 0.007). Maternal age, primigravidity, antenatal steroid use, premature rupture of the membranes, clinical chorioamnionitis and adverse neonatal outcomes including sepsis, respiratory distress syndrome and neonatal mortality did not differ between groups. Cesarean delivery was significantly higher in the preeclamptic group. There was no significant difference in cord plasma levels of MDA and GSH, and activity of GPx between the preeclamptic and control groups. SOD was found to be increased in preeclamptic group (P = 0.03).
Conclusions:
We concluded that although cord plasma MDA levels were similar in both the preeclamptic and control groups, increased SOD activity might be an indicator of increased oxidative stress in infants born to preeclamptic mothers.
