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目的调查益阳地区9～12个月婴儿缺铁性贫血的原因及现状分析。方法对2009年1～3月来本院门诊体检的342例婴儿开展患儿喂养史、既往病史及家族史的问卷调查,并对其进行血液学分析。血红蛋白(Hb)水平低于110g/l诊断为贫血,血清铁蛋白水平和红细胞平均体积分别低于12ug/L和80fL诊断为缺铁。结果缺铁患儿的检出率为14.0%,缺铁性贫血患儿的检出率为9.4%。出生体重不足3000g是引发缺铁最主要的危险因素(OR=9.40,P<0.0005)。采用母乳和辅食喂养的婴儿的血清铁蛋白水平(18.50ug/L,95%CI14.00～23.00)明显低于采用人工配方食物喂养的婴儿的血清铁蛋白水平(32.80ug/L,95%CI26.60～39.00)(P<0.005)。结论9～12个月婴儿发生缺铁性贫血的现象很普遍。出生体重不足3000g是导致缺铁的主要因素。
Objective To investigate the causes and current status of infantile iron deficiency anemia in Yiyang region from 9 to 12 months. Methods A total of 342 infants from our hospital from January to March 2009 were enrolled in the questionnaire survey of their feeding history, past medical history and family history, and their hematological analysis was performed. Hb levels below 110 g / l were diagnosed as anemia, serum ferritin levels and mean corpuscular volume below 12 ug / L and 80 fL were diagnosed as iron deficiency. Results The detection rate of children with iron deficiency was 14.0% and that of children with iron deficiency anemia was 9.4%. Birth weight of less than 3000g is the most important risk factor for iron deficiency (OR = 9.40, P <0.0005). Serum ferritin levels (18.50 ug / L, 95% CI 14.00-23.00) in infants fed breast milk and complementary foods were significantly lower than those fed diets (32.80 ug / L, 95% CI 26 .60 ~ 39.00) (P <0.005). Conclusion The incidence of iron deficiency anemia in infants aged 9 to 12 months is very common. Birth weight of less than 3000g is the main factor leading to iron deficiency.