Masui. The Japanese journal of anesthesiology
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Patient controlled epidural analgesia (PCEA) is a useful method in alleviation of postoperative pain; however, PCEA sometimes provided inadequate pain relief in the elderly. Therefore, we investigated optimal doses of fentanyl by PCEA in management of postoperative pain after gynecological surgery in the elderly. ⋯ We found that fentanyl 0.172 microg x kg(-1) x 1 hr(-1) by PCEA was the most appropriate dose for alleviation of postoperative pain after gynecological surgery in the elderly.