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).
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The issue of cerebral circulation and oxygen delivery to the brain requires constant vigilance for the clinician in the ICU, the trauma unit and the neurosurgical operation suite. These patients are administered anaesthetic medications that affect cerebral physiology by a lot of different and some times unexplored mechanisms.
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