• K Mizutani, Y Oda, T Terai, H Yukioka, and A Asada.
• Department of Anesthesiology and Intensive Care Medicine, Osaka City University Medical School, Japan.
• Osaka City Med J. 1999 Dec 1;45(2):129-38.

AbstractThis study was undertaken to determine whether preoperative epidural morphine using double-catheter technique would improve postoperative analgesia in patients undergoing esophagectomy with or without continuous intraoperative epidural lidocaine in a randomized double-blind and controlled manner. Thirty patients undergoing esophagectomy for esophageal cancer received preoperative epidural morphine 2 mg at T 6-7 and 2 mg at L 3-4 through the catheters, respectively. Thereafter, continuous thoracic epidural infusion of either 1% lidocaine (lidocaine group, n = 15) or normal saline solution (control group, n = 15) at 6 ml/h was initiated. After surgery, mean verbal rating scale of pain (0 to 10) at rest was maintained below 4 and pain on deep breathing was maintained mild in all patients in both groups. There was no significant difference in these values between the groups. In conclusion, preoperative epidural morphine using double-catheter technique provided adequate analgesia following esophagectomy. The addition of intraoperative continuous epidural lidocaine did not improve analgesia.

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