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目的了解承德市饮水型氟中毒病区流行现状,探讨饮水型氟中毒病区实施改水降氟的可行性。方法根据饮水型氟中毒病区的分布特点,选择3个不同方位氟病村,调查8～12岁儿童氟斑牙、饮水含氟量、尿氟含量。结果调查点村民低氟水使用率达100%,各监测点患病率均在30%以下,达到非病区水平。但饮用水氟含量在正常范围内的部分儿童尿氟仍有升高,其原因可能是生活在高氟病区的村民使用高氟水灌溉农田。结论承德市部分病区群众对氟病防治知识重视不够,应加大地氟病危害与防治知识的宣传力度。
Objective To understand the epidemic situation of drinking water fluorosis area in Chengde City and explore the feasibility of water and fluoride reduction in drinking water fluorosis area. Methods According to the distribution characteristics of drinking water fluorosis area, 3 different fluorosis villages were selected to investigate the dental fluorosis, fluoride content and urinary fluoride content in children aged 8 ~ 12 years old. Results The utilization rate of low-fluoride water in villagers in the survey was 100%, and the prevalence of each monitoring point was below 30%, reaching the non-ward level. However, the urinary fluoride of some children whose drinking water fluoride content is still within the normal range may still be rising. The reason may be that villagers living in high-fluoride areas use high-fluoride water to irrigate farmland. Conclusion In some wards of Chengde City, the masses of the public have not paid enough attention to the knowledge of prevention and treatment of fluorosis, and the publicity of the knowledge about the dangers and prevention of endemic fluorosis should be strengthened.