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许多年来,医生们几乎不给婴儿实施麻醉或处方镇痛药物。他们担心这些治疗会影响婴儿的呼吸,同时会降低其对疼痛的耐受力。这些观点在过去的15年里发生了改变,部分得益于有关婴儿对于疼痛能作出生理性反应的研究。一项新的动物研究呼吁应更大胆地控制新生儿疼痛,研究还表明,经历疼痛的年龄越小,所产生的作用就越持久。美国国立卫生研究院口腔头面部研究所的神经学专家Ruda及其同事报道说,
For many years doctors have given little or no anesthetic or prescription analgesics to babies. They are concerned that these treatments can affect the baby’s breathing and at the same time reduce its tolerance to pain. These views have changed over the past 15 years, partly due to research on infants’ ability to respond physiologically to pain. A new animal study calls for more bold control of neonatal pain, and research shows that the younger the person who experiences pain, the longer the effect. Ruda and his colleagues, a neuroscientist at the Institute for Oral Head Facial Research at the National Institutes of Health,