Vol 78, No 12 (2007)

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Markers of oxidative stress in pregnancies complicated by pregnancy induced hypertension and intrahepatic cholestasis

Grzegorz Krasomski, Przemysław Oszukowski, Urszula Brocka, Zbigniew Pietrzak, Lidia Biesiada
Ginekol Pol 2007;78(12).


Abstract Objective: The aim of the study was to investigate levels of superoxide dismutase (CuZnSOD-1), catalase (CAT), glutathione peroxidase (GPx) and malonodialdehyde (MDA) in groups of pregnant women with pregnancy induced hypertension (PIH), hypertension recognized before pregnancy (HA) or intrahepatic cholestasis. Material and methods: 33 women with PIH, 6 with HA and 12 with cholestasis were compared with 33 healthy pregnant women. Levels of enzymes were assessed in blood samples. Methods of delivery and obstetric results were presented. Results: SOD and GPx levels did not differ significantly in any of the investigated groups. A tendency for lower mean levels of CAT in the group of PIH women, and a higher level of MDA in the group of women with HA has been noted. The mean CAT level was significantly lower in PIH and HA patients delivered instantaneously due to the risk of eclampsia. All mean levels of enzymes in the group of women with cholestasis were similar to the ones in the group of healthy women. Patients with PIH and HA gave birth more often by cesarean section, but the overall condition of the newborns was satisfactory. Conclusions: There is no substantial evidence that the level of oxidative enzymes in a blood sample can be an indicator of oxidative stress in pregnant women with PIH, HA or cholestasis. Although CAT levels were lower in PIH and HA women who had cesarean section due to the risk of eclampsia, there was no correlation between these enzyme levels and the clinical outcome of patients or the condition of the newborns.

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