continuous intravenous postoperative analgesia
continuous intravenous postoperative analgesia
术后持续静脉镇痛
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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Objective to investigate whether a small dose of fentanyl can predict the effectiveness and safety of fentanyl continuous intravenous postoperative analgesia in elderly patients.
目的探讨小剂量芬太尼试验能否预测老年患者芬太尼静脉镇痛的效果和安全性。
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