Abstract

Thirty heaithy women undergoing elective caesarean section under spinal anaesthesia at term were allocated randomiy to receive ephedrine infusion (grup I, n=15) (approximately 5mg/min) immediately after onset of sensory block or bo/uses of I. V 10 mg ephedrine (grup I, n=15) when maternai blood pressure decreased by more than 20°% from baseline va/ue. Maternai and newborn blood pressures and heart rates were recorded. Incidences of nausea and vomiting were compared between the groups. Maternai and ne o nata i acid-base status and i a etic acid levels were compared between the groups.

Systolic blood pressure in the bolus group was significantiy iower when compared to the infusion group (p