A STUDY ON COMBINED SPINAL-EPIDURAL ANESTHESIA: PAIN RELIEF AND EFFECTS ON MOTHERS AND INFANTS IN WHOLE STAGES OF LABOR

Objective To investigate the pain relieving effects of combined spinal epidural anesthesia(CSEA) during the whole stages o f labor and its influences on mothers and infants. Methods Three hundred in labor primipara of singleton pregnancy with vertex delivery ,in conformity with ASA Ⅰ-Ⅱ,without any contraindication s, were randomly divided into group CSEA,group CEA and control group( n =100 for each group). One point puncture was done on L 2-3 vertebra interval successfully. The analgesic effects,acting time,dosage of medicine,side effe cts,stage of labor,mode of delivery,postpartum hemorrhage,fetal distress and neonatal asphyxia were observed respectively. Results The analgesic effects,acting time and dosage of medicine in CSEA group obviously better than that in CEA ( u c=5.34 ,t=16.92-29.69, P 0.01).In group CSEA,the cervical dilation accelerated,the first stage of l abor was obviously shortened,the second stage had the tendency of being prolong ed ( t=3.34-48.49,P 0.01),the cesarean section rate decreased, low forceps delivery rate rose,the incidence of fetal distress decreased ( χ 2=6.82-20 .35, P 0.01). Conclusion CSEA in labor analgesia is much better than CEA. It i s a safe and effective anesthesia for total stage labor.