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目的:探讨并确定反复呼吸道感染幼儿铅暴露中的相关因素,为进行健康教育和制定预防措施提供科学依据。方法:严格筛选反复呼吸道感染且血铅≥100μg/L的幼儿,按年龄和血铅水平进行分级。采用中药驱铅治疗,比较治疗前后血铅及免疫球蛋白功能。应用研究者制定的易感因素调查表对受试患儿进行调查统计分析。结果:在筛查的598例呼吸系统疾病患儿中,血铅≥100μg/L者100例,占16.7%;治疗后该100例患儿血铅水平明显下降,免疫机能得到相应改善。患儿血铅异常升高与在矿区居住、不合格装饰材料、高铅作业、烫染发职业密切相关;RRTI的发生与被动吸烟、手不良习惯、抗生素和激素的不合理使用及与呼吸道感染病人的接触史密切相关。结论:引起血铅增高的环境因素及生活因素在幼儿反复呼吸道感染中起重要作用。
Objective: To explore and determine the related factors of lead exposure in children with recurrent respiratory tract infection, and provide a scientific basis for health education and preventive measures. Methods: Strict screening of recurrent respiratory tract infection and blood lead ≥ 100μg / L of children, by age and blood lead levels were graded. Lead treatment with traditional Chinese medicine, blood lead and immunoglobulin function before and after treatment. Application of the investigators to develop a questionnaire survey of susceptibility of children under investigation for statistical analysis. Results: Of the 598 children with respiratory diseases who were screened, 100 were blood lead levels ≥100 μg / L, accounting for 16.7% of the total. Blood lead levels were significantly decreased and the immune function was improved after treatment. Children with abnormal blood lead and live in the mining area, substandard materials, high lead job, hot hair job is closely related; RRTI and passive smoking, bad habits, antibiotics and hormones unreasonable use and patients with respiratory tract infection The history of exposure is closely related. Conclusion: Environmental factors and living factors that cause blood lead increase play an important role in recurrent respiratory tract infections in children.