Combination of Ketamine with Morphine, Nalbuphine or Tramadol for postoperative pain control following radical prostatectomy

The study compares the efficacy of postoperative analgesia after the intravenous administration of opioids (nalbuphine, tramadol or morphine) in combination with ketamine in patients undergoing radical prostatectomy.Eighty eight patients scheduled for radical prostatectomy were randomly assigned in three groups. In Group A (n=31) Morphine was administered {bolus dose (BD) 0.05mg/Kg and continuous infusion (CI) at a dose [mg/24h =18-(agex0.15)]}, in Group B (n=28) Nalbuphine (BD 0.2mg/kg and CI at a rate 0.05mg/kg/h) and in Group C (n=29) Tramadol (BD 1.5mg/Kg and CI at a rate 0.15mg/Kg/h).