زایمان بی درد به روش پمپ¬های کنترله درد با  فنتانیل و بوپیواکایین اپیدورال

                            Aim and Background:   Epidural anesthesia is an appropriate technique for managing labour Methods and Materials:   In volunteers with vertex position of single fetus which were in active Findings:   45 parturient entered the study. Mean VAS in 96% was less than 4 during all times. 23 Conclusions:   PCEA is a safe and effective method which showed effective pain reduction in