Stabilization of cardiovascular system for cesarean section by infusion 7. 5% hypertonic saline solution plus polygeline injection before spinal anesthesia

Objective To observe the stabilization of cardiovascular system for Cesarean Section by infusion 7. 5% hypertonic saline solution plus polygeline injection before spinal anesthesia. Methods 63 termed parturients( ASA I ~ II) for cesarean section were randomly divided into Group hypertonic saline plus polygeline injection( Experimental,E,n = 22),Group Polygeline( P,n=26),Group Lactated Ringer's solution( RL,n=15). Three groups of parturient were...