Masui. The Japanese journal of anesthesiology
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The effect of three solutions on postoperative pain relief by continuous epidural infusion was studied. Seventy-five patients after upper or lower abdominal surgeries were assigned to one of three groups and the postoperative pain relief was evaluated for 48 hours. ⋯ However, even in Group III, the percentage of patients complaining of pain at bed rest was still high during early postoperative period (56% at 6 hours postoperatively). The results suggest that further consideration is necessary on agents selection and dosage adjustment for the postoperative epidural analgesia.