1Saravanan S, Kocarev M, Wilson RC, et al. Equiv- alent dose of ephedrine and phenylephrine in the prevention of post-spinal hypotension in caesarean section. Br J Anaesth, 2006; 96( 1 ) : 95-99.
2Lee A,Ngan Kee WD,Gin T. A dose response meta-analysis of prophylactic intravenous ephedrine for the prevention of hypotension during spinal anesthesia for elective cesarean delivery.Anesth Analg, 2004; 98:483-490.
3Ngan Kee WD,Khaw KS,Tan PE,et al.Placental transfer and fetaI metabolic effects of phenylephrine and ephedrine during spinal anesthesia for caesarean delivery.Anesthesiology, 2009; 111 : 506-512.
1Takahasin R, Yamada K, Yoshiyama T, et al. Comparison of double-segment technique with single-space technique for cesarean section using combined spinal epidural anesthesial[ J]. Masui, 1999 ,48( 1 ) :57 - 61.
2Choi DH, Kim JA, Chung IS. Comparison of combined spinal epidural anesthesia and epidural anesthesia for cesarean section[J] .Acta Anaesthesiol Sc and,2000,44(2) :214- 219.
3Lee A,Ngan Kee WD,Gin T. A dose-response meta-analysisof prophylactic intravenous ephedrine for the prevention ofhypotension during spinal anesthesia for elective cesarean de-livery. Anesth Analg,2004,98(2) :483-490.
4Saravanan S,Kocarev M, Wilson RC,et al. Equivalent doseof ephedrine and phenylephrine in the prevention of postspinalhypotension in Caesarean section. Br J Anaesth,2006,96(1):95-99.
5Osseyran Samper F, Errando CL, Plaza Lloret M,et al.Prophylaxis for hypotension during cesarean section underspinal anesthesia: a randomized trial comparing hydroxyethylstarch 130/0. 4 to ephedrine. Rev Esp Anestesiol Reanim,2011,58Cl):17-24.
6Tamilselvan P,Fernando R,Bray J, et al. The effects of crys-talloid and colloid preload on cardiac out put in the parturientundergoing planned cesarean delivery under spinal anesthesia:a randomized trial. Anesth Analg, 2009,109(6):1916-1921.
7Ngan Kee WD? Khaw KS, Ng FF. Prevention of hypotensionduring spinal anesthesia for cesarean delivery: an effectivetechnique using combination phenylephrine infusion and crys-talloid cohydration. Anesthesiology, 2005,103(4) : 744-750.
8Aya AG, Vialles N, Tanoubi I,et al. Spinal anesthesia-in-duced hypotension: A risk comparison between patients withsevere preeclampsia and healthy women undergoing pretermcesarean delivery. Anesth Analg, 2005,101(3) :869-875.
9Robson SC, Boys RJ, Rodeck C,et al. Maternal and fetalhaemodynamic effects of spinal and extradural anaesthesia forelective caesarean section. Br J Anaesth, 1992, 68 ( 1 ):54-59.
10Ngan Kee WD,Khaw KS, Tan PE, et al. Placental transferand fetal metabolic effects of phenylephrine and ephedrineduring spinal anesthesia for cesarean delivery. Anesthesiolo-gy, 2009, 111(3): 506-512.