Agressologie: revue internationale de physio-biologie et de pharmacologie appliquées aux effets de l'agression
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Morphine at very low dose gives a good post-operatory analgesia without major secondary effects. This study analyses retrospectively 285 spinal anaesthesia with hyperbaric 0.5% bupivacaine 0.2 mg.kg-1 and morphine 0.25 mg in adult urologic surgery. ⋯ The analgesia was adequate for the patient's comfort, and it never mask a surgery complication. No respiratory complication appeared, even in 13 patients who needed intravenous morphinics in per-operative.