• Clin Exp Obstet Gyn · Jan 2013

    Randomized Controlled Trial

    Maternal and umbilical cord oxygen content and acid-base balance in relation to general, epidural or subarachnoid anesthesia for term elective cesarean section.

    • C Staikou, A Tsaroucha, P Vakas, N Salakos, D Hasiakos, K Panoulis, and G Petropoulos.
    • 1st Department of Anesthesiology, Aretaieio Hospital, Medical School, University of Athens, Athens, Greece. c_staikou@yahoo.gr
    • Clin Exp Obstet Gyn. 2013 Jan 1;40(3):367-71.

    PurposeTo compare maternal and neonatal oxygenation and acid-base status after elective cesarean section (CS) under different anesthetic techniques.Materials And MethodsThree hundred and eighty parturients undergoing elective cesarean section were randomly assigned to receive general (GA, n =140), epidural (EA, n = 117) or subarachnoid anesthesia (SA, n =123). Blood gases, oxygen content, and acid-base status parameters were measured in maternal artery and umbilical cord vessels. Neonatal Apgar scores were also recorded.ResultsUmbilical artery pH, HCO3-, and actual base excess (ABE) were significantly higher in the GA compared to SA group (p < 0.001, p < 0.05, andp < 0.05, respectively). Umbilical vein ABE was lower in the SA compared to GA and EA groups (p < 0.05). Oxygen content in maternal artery was higher in the GA and EA groups compared to the SA group (p < 0.05). Neonatal oxygen content in both cord vessels was higher in the GA group compared to EA and SA groups (p < 0.05). Umbilical venous-arterial difference of PO2, oxygen content, and Apgar scores did not differ significantly among groups.ConclusionNeonatal oxygenation and acid-base status values were better preserved when GA was administered for elective CS compared to regional modalities. Apgar scores and neonatal outcomes were not affected by the anesthetic technique.

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