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目的:通过对河北省12岁以下儿童血铅水平及高危因素调查分析,获得全省12岁以下儿童血铅水平、高铅血症的发生率及相关的高危因素,为今后的防治工作提供理论依据。方法:采用阳极溶出伏安法(ASV),进行血铅水平测定,调查问卷了解影响儿童血铅水平的相关因素。结果:6682例12岁以下儿童血铅值在31～139μg/L之间,平均血铅水平为70.75μg/L,其中血铅>100μg/L的636例,高铅血症发生率为9.5%,城市、农村无显著性差异。高铅血症以幼儿期、学龄前期发生率较高,在日常生活中喜欢吃爆米花或膨化食品、咬铅笔或玩具、咬手指,家中父或母吸烟、住房距车流主要干道、儿童在马路边玩耍是导致儿童高血铅水平的高危因素。结论:河北省12岁以下儿童高铅血症发生率为9.5%,儿童血铅水平与年龄、环境及不良的生活习惯等多种因素有关。
OBJECTIVE: Through the investigation and analysis of blood lead levels and risk factors in children under 12 years of age in Hebei Province, we can get the blood lead levels and the incidence of high blood lead and related risk factors in children under 12 years old in Hebei Province, and provide the theory for future prevention and treatment work in accordance with. Methods: Anodic stripping voltammetry (ASV) was used to determine the level of blood lead. The questionnaire was used to investigate the related factors that influence the level of blood lead in children. Results: The blood lead levels of 6682 children under 12 years of age ranged from 31 to 139 μg / L with an average blood lead level of 70.75 μg / L, of which 636 were blood lead> 100 μg / L, and the incidence of high blood lead was 9.5% There was no significant difference between urban and rural areas. High lead poisoning in early childhood, high preschool rate, in their daily lives like to eat popcorn or puffed food, bite a pencil or a toy, bite your finger, smoking in the parent or mother, housing the main artery from traffic, children in the road Playing around is a risk factor for high blood lead levels in children. Conclusion: The incidence of hyperlipidemia in children under 12 years of age in Hebei province is 9.5%. The level of blood lead in children is related to various factors such as age, environment and bad habits.