Although little scientific evidence regarding the use of metaraminol for treatment of hypotension in Caesarean section, recent study demonstrated superiority of this drug compared to ephedrine, checking a lower incidence of neonatal acidosis and better control of blood pressure. The researchers also found differences in blood gases from the umbilical cord between the ephedrine and metaraminol groups larger than those already found in previous studies comparing ephedrine and phenylephrine.