[Continuous intravenous infusion with patient-controlled anesthesia for postoperative analgesia in cesarean section: morphine versus buprenorphine].
A double blind comparison between morphine and buprenorphine was performed in 20 patients using a new demand and continuous infusion analgesic system to provide analgesia after cesarean section. The patients were randomized in two equal groups to receive either morphine 1 mg/h or buprenorphine 0.03 mg/h. The PCA system was set to deliver bolus of either morphine 1 mg or buprenorphine 0.03 mg, with a lockout interval of 10 and 15 min respectively. A loading dose of morphine 5 mg or buprenorphine 0.15 mg was given if necessary. The quality of analgesia, assessed by a visual analogue and a subjective scale was good with both drugs. No difference in side effects between the groups was observed. The mean potency ratio between buprenorphine and morphine was 32:1. Patients receiving buprenorphine showed a more prolonged analgesia and a significant improvement of sedation score.
Capogna
G
G
Celleno
D
D
Sebastiani
M
M
Costantino
P
P
Reggio
S
S
D000328:Adult; D002047:Buprenorphine / Q000008:administration & dosage* / Q000627:therapeutic use; D002585:Cesarean Section; D004311:Double-Blind Method; D005260:Female; D006801:Humans; D007262:Infusions, Intravenous; D009020:Morphine / Q000008:administration & dosage* / Q000627:therapeutic use; D010149:Postoperative Pain / Q000188:drug therapy*; D011247:Pregnancy; D011897:Random Allocation; D012646:Self Administration
D002047:Buprenorphine; D009020:Morphine
Infusione endovenosa continua associata a PCA per l'analgesia postoperatoria nel taglio cesareo: morfina versus buprenorfina.