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[目的 ]了解兰州市 0~ 7岁小儿血铅水平及影响因素。 [方法 ]采用随机抽样的方法对在甘肃省人民医院产科出生的 10 3名新生儿 ,来该院进行计划免疫的 1月至 3 3月龄的 14 6名婴幼儿以及采用分层整群抽样法对本市 9所幼儿园的 80 8名 3~ 7岁儿童进行了毛细血管血铅测定。对所有小儿的个人情况及家庭生活环境均进行了问卷调查。[结果 ]新生儿血铅均值为 83 .5 μg/ L,≥ 10 0 μg/ L 者 2 5例 ,占 2 4 .2 7%。 14 6例婴幼儿血铅均值为 80 .4 0 μg/ L,≥10 0 μg/ L 者 3 3例 ,占 2 2 .6%。学龄前儿童血铅均值为 10 1.5 8μg/ L,≥ 10 0 μg/ L 者 3 16例 ,占 3 9.1%。工业区儿童血铅最高 ,其次为市中心城区。经多元回归分析和逐步回归分析 ,得出家住蓄电池厂、油漆厂、炼油厂附近及住房较新是影响血铅的环境危险因素。 [结论 ]兰州市小儿血铅水平较高 ,应尽快加以防治。
[Objective] To understand the blood lead level and its influencing factors in 0 ~ 7 years old children in Lanzhou. [Methods] A random sample of 103 infants born in obstetrics and gynecology department of Gansu Provincial People’s Hospital were enrolled in the study. A total of 146 infants aged from January to March 3 who were immunized in the hospital and stratified cluster sampling A total of 808 children 3-7 years old in nine kindergartens in the city were tested for capillary blood lead. All children’s personal circumstances and family living environment were surveyed. [Results] The mean neonatal blood lead was 83.5 μg / L, 25 cases ≥10 0 μg / L, accounting for 24.27%. 14 6 cases of infant blood lead mean 80. 40 μg / L, ≥ 100 μg / L, 33 cases, accounting for 22.6%. Pre-school children blood lead mean 10 1.5 8μg / L, ≥ 10 0 μg / L were 3 16 cases, accounting for 9.11%. The highest level of blood lead in industrial areas, followed by city downtown. After multivariate regression analysis and stepwise regression analysis, it is concluded that the environmental risk factors affecting blood lead are higher in the vicinity of living battery plants, paint factories, oil refineries and new houses. [Conclusion] The level of blood lead in children with Lanzhou is higher and should be controlled as soon as possible.