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Comparison of the Effect of Preoperative Anxiety on the Oxidative Stress Biomarkers in Umbilical Cord Blood After Vaginal and Cesarean Delivery
Objective This study examined the independent effect of delivery type and preoperative anxiety on placenta oxidative stress response.
Materials and methods A total of 126 patients who gave birth were divided into two groups according to delivery type: vaginal delivery group (VD) (n=56) and elective cesarean section delivery group (CS) (n=70). The preoperative anxiety levels of pregnant women who came to the delivery room were evaluated with the State Anxiety Inventory (SAI) scale. Malonyldialdehyde (MDA), superoxide dismutase (SOD), total antioxidative status (TAS), total oxidative state (TOS), and oxidative stress index (OSI) levels in umbilical cord blood were compared according to preoperative anxiety level and type of delivery.
Results The CS group had significantly higher MDA (0.88±0.15 versus 0.79±0.09, p=0.001) and TOS (8.37±1.81 versus 7.53±0.77, p=0.019) values compared to the VD group. TAS levels did not differ significantly between the groups. SOD levels were higher in VD group compared to CS group (p=0.049). When the factors affecting oxidative stress biomarkers are analyzed by regression analysis, factors affecting MDA were found to be SAI score (Beta=0.358), CS (Beta=0.212), the factor affecting SOD was found to be VD (Beta=0.318), the factors affecting TOS were found to be SAI score (Beta=0.317) and CS (Beta=0.183).
Conclusıon Oxidative stress biomarker levels in umbilical cord blood and preoperative anxiety levels were higher in patients who underwent elective caesarean section than those who delivered vaginally. Preoperative anxiety was the factor that increased oxidative stress biomarkers of umbilical cord blood the most.
Received: 25 November 2020
Accepted after revision: 03 April 2021
28 May 2021 (online)
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