云南某地区儿童及青少年铅中毒现状及影响因素分析
Analysis on Current Situation and Influencing Factors of Lead Poisoning in Children and Adolescents in Certain Region of Yunnan
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摘要: 目的 探讨云南某地区儿童及青少年铅中毒影响因素,为当地制定有效的预防措施提供依据.方法采用原子吸收光谱仪对云南某地区1 379名儿童及青少年进行静脉血铅检测,血铅水平≥100μg/L为铅中毒.结果1 379名儿童及青少年血铅水平范围在1~450μg/L,血铅水平为(82.87±66.97)μg/L,铅中毒儿童341例,铅中毒率为24.7%.不同性别、年龄段、居住地间中毒率差异有统计学意义(P<0.05),血铅超标的主要影响因素为性别、年龄和居住地离开采区距离.结论 云南某地区儿童及青少年铅中毒率较高,男童、学龄前期儿童,居住地距离矿区较近者易发生血铅中毒.Abstract: Objective To discuss the influencing factors of lead poisoning in children and adolescents in certain region of Yunnan and to provide evidence for effective prevention measures. Methods Venous blood samples of 1379 children and adolescents were collected and lead levels in the blood were tested by atomic absorption spectrometer. Children and adolescents with lead level higher than 100 μg/L were diagnosed with lead poisoning.Results The lead level ranged from 1 μg/L to 450 μg/L, with the average level of 82.87±66.97 μg/L,and 341 children and adolescents were diagnosed with lead poisoning, with the poisoning rate of 24.7%. The differences of lead poisoning rates by gender, age, and place of residence were significant(P<0.05). Gender, age, and distance between place of residence and mining area were the main influencing factors of the lead poisoning rate.Conclusion The blood lead poisoning rate of children and adolescent are high in this region. Boys, children in preschool age and children living closer to the mining area are susceptible to blood lead poisoning.
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Key words:
- Children /
- Blood lead /
- Lead poisoning rate /
- Influencing factors
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