A randomized, double-blind trial comparing the effects of prophylactic norepinephrine versus phenylephrine infusion on umbilical artery hemodynamics during spinal anesthesia for elective cesarean delivery
Hypotension following neuraxial anesthesia is one of the most common complications during cesarean delivery. This study aimed to evaluate the effects of phenylephrine and norepinephrine on placental vascular resistance under neuraxial anesthesia for cesarean section using Doppler ultrasonography. Seventy-s...