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在英国的亚洲人家庭中,婴儿猝死综合征(SIDS)的发生率低,部分原因可能是由于他们缺铁的发生率很高。出生体重低的、与母亲相似先天素质不好的婴儿,其猝死的危险性增大,这就提示缺乏某种必要的营养索可能是重要的原囚。婴儿第3月龄时,血红蛋白浓度最低,但猝死的发生率最高,这促使我们对铁的作用进行研究。我们分别测定了婴儿死亡及死后不同问隔时间心腔血的血清铁浓度。在血清中加入叠氮化钠(最终浓度是0.2g/L),然后贮于-20℃备用。
Among Asian Asian families in the UK, the incidence of SIDS is low, in part because of the high incidence of iron deficiency. The risk of sudden death is increased for infants born with low birth weight who have similar inborn qualities to their mothers, suggesting that the lack of a necessary nutritional intake may be an important prisoner. The third trimester of infancy has the lowest hemoglobin concentration but the highest incidence of sudden death, prompting us to investigate the role of iron. We measured serum iron concentrations in infants’ heart blood and blood at different intervals after death respectively. Sodium azide (final concentration 0.2 g / L) was added to the serum and stored at -20 ° C for later use.