Maternal arterial blood gas values during delivery: effect of mode of delivery, maternal characteristics, obstetric interventions and correlation to fetal umbilical cord blood

Acta Obstetricia Et Gynecologica Scandinavica
Mehreen ZaighamNana Wiberg

Abstract

Obstetricians routinely use biochemical parameters from non-pregnant women to assess the condition of the laboring mother. However, it is well known that pregnancy leads to significant physiological changes in most organ systems. The aim of this study was to determine normal values for maternal arterial blood gases during vaginal deliveries as compared to control values from planned cesarean sections. We also wanted to elucidate the effect of various maternal characteristics, mode of delivery and obstetric interventions on blood gas values. We carried out a randomly selected, prospective-observational cohort study of 250 women undergoing vaginal delivery and 58 women undergoing planned cesarean section at Department of Obstetrics and Gynecology, Skåne University Hospital, Malmö, Sweden. We found significant differences for gestational age, parity, umbilical venous blood pH, pCO2 and lactate values between the two study groups (P < 0.005). Significantly lower pH, pCO2 , pO2 , and sO2 were found in mothers delivering vaginally. Higher base deficit, hemoglobin, bilirubin, potassium, glucose and lactate were found in vaginal deliveries as compared to planned cesarean sections (P < 0.02). Maternal BMI, smoking and hypertension were ...Continue Reading

References

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Apr 8, 2020·Acta Obstetricia Et Gynecologica Scandinavica·Mehreen Zaigham, Ola Andersson

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Citations

Jun 12, 2021·Frontiers in Pediatrics·María Luisa Mayol PérezPaloma Echevarría Pérez

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