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目的了解云南省鹤庆县饮茶型氟中毒的流行现状和危害。方法用容量概率抽样法抽取2个村委会作为调查点,分别对成人、儿童进行饮茶习惯和氟骨症、氟斑牙调查,并采集人群尿样、饮水样、茶样进行氟含量检测分析。结果 100名成人均饮用绿茶,111名儿童否认饮茶史;成人和儿童未发现氟骨症和氟斑牙患者;成人和儿童尿样未检测到超标(>2 mg/L)样品;检测家庭饮用水样、茶样各100份,水样未检测到超标(>1 mg/L)样品,茶样中检测到2份超标准(>300mg/kg)样品。结论鹤庆县目前未发现饮茶型氟中毒的流行和危害,已属于非病区水平。
Objective To understand the prevalence and harm of drinking-type fluorosis in Heqing County, Yunnan Province. Methods Two village committees were selected as the investigation points by probability sampling method. The tea drinking habits, fluorosis and dental fluorosis were investigated respectively for adults and children. Urine samples, drinking water samples and tea samples were collected for fluoride detection analysis. Results All 100 adults were drinking green tea and 111 children denied the history of tea drinking. No patients with skeletal fluorosis or dental fluorosis were detected in adults and children. No urine samples exceeding 2 mg / L were detected in adults and children. 100 samples of drinking water samples and tea samples, no excessive (> 1 mg / L) samples were detected in water samples, and 2 samples exceeding standard (> 300 mg / kg) were detected in tea samples. Conclusion Heqing County has not found the prevalence and harm of tea-type fluorosis, which belongs to the non-ward level.