Several neuraxial techniques have demonstrated effective post-cesarean section analgesia. According to\nprevious reports, it is likely that patient-controlled epidural analgesia (PCEA) without opioids is inferior to intrathecal\nmorphine (IM) alone for post-cesarean section analgesia. However, little is known whether adding PCEA to IM is effective\nor not. The aim of this study was to compare post-cesarean section analgesia between IM with PCEA and IM alone.\nMethods: Fifty patients undergoing elective cesarean section were enrolled in this prospective randomized study.\nPatients were randomized to one of two groups: IM group and IM + PCEA group. All patients received spinal.................
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