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WHO提出到2000年要让全世界癌症患者无疼痛的宏伟目标，因此控制癌症患者的疼痛，改善生活质量是处理癌症患者的主要内容之一。晚期重度癌痛患者吗啡用量较大，毒副反应明显增加，但止痛效果不成比例，而美沙酮恰能弥补吗啡这一缺点。现将40例晚期重度癌症患者美沙酮应用情况报
WHO put forward the grand goal of making cancer patients all over the world free from pain by the year 2000. Therefore, controlling the pain of cancer patients and improving the quality of life are one of the main contents of dealing with cancer patients. Patients with advanced severe cancer pain in a larger amount of morphine, toxicity increased significantly, but the disproportionate analgesic effect, and methamphetamine just make up for the shortcomings of morphine. Methadone is now reported in 40 patients with advanced severe cancer