Programmed intermittent epidural bolus for post-cesarean delivery analgesia: a randomized controlled double-blind trial

The aim of this study was to assess the efficacy of programmed intermittent epidural boluses (PIEB) in postoperative pain management compared with continuous epidural infusion (CEI) after cesarean delivery. A total of 58 participants were randomly allocated to receive PIEB (3 mL bolus every 60 min) or CEI (3 mL/h) for postoperative analgesia after undergoing elective cesarean section under combined spinal–epidural anesthesia. Both groups had the...