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目的了解饮用高氟砖茶对居民身体健康的危害,掌握饮茶型氟中毒的地区分布及人群分布情况。方法调查县(市)根据牧区、农业区、半农半牧区及城镇分层,各随机抽取1个乡(镇、场),每个乡镇调查成人、8~12岁儿童各100名。检查氟斑牙、氟骨症,测定水、茶、尿氟含量。结果调查成人2 006人,平均氟斑牙、氟骨症患病率分别为19.44%,6.33%。调查8~12岁儿童2 008人,平均氟斑牙患病率为19.02%。人均年砖茶消耗量为7.12 kg,人均日饮茶量为1 763 mL;饮水、茶水含氟量均值分别为0.46 mg/L,1.35 mg/L;成人、儿童尿氟均值分别为1.598 mg/L,1.262 mg/L。结论塔城地区存在饮茶型氟中毒病区。
Objective To understand the hazards of drinking high-fluoride brick tea to the health of residents and to find out the distribution of the drinking-type fluorosis and its population distribution. Methods Investigation County (city) according to the pastoral areas, agricultural areas, semi-agricultural and semi-pastoral areas and urban stratification, each randomly selected a township (town, field), each township survey of adults, 100 children aged 8 to 12. Check the dental fluorosis, skeletal fluorosis, determination of water, tea, urine fluoride content. Results The survey of 2 006 adults, the average dental fluorosis, skeletal fluorosis prevalence were 19.44%, 6.33%. A total of 2 008 children aged 8-12 years were investigated. The average prevalence of dental fluorosis was 19.02%. Per capita annual brick tea consumption was 7.12 kg, per capita daily drinking amount of tea was 1 763 mL; drinking water, tea fluoride averaged 0.46 mg / L, 1.35 mg / L respectively; mean urinary fluoride in adults and children was 1.598 mg / L , 1.262 mg / L. Conclusion There is tea-drinking fluorosis area in Tacheng.