陕西省大骨节病国家监测点10年病情资料分析

Prevalence analysis of Kaschin-Beck disease in Yuyang County of Shaanxi Province in the past ten years

目的掌握陕西省榆阳区大骨节病病情及防治现状，评估防治效果，指导防治工作。方法每年对监测点100名7～12岁儿童进行临床、X线检查及发硒检测，按国家诊断标准（GB）确诊病例，对10年间的病情资料进行分析。结果10年间榆阳区儿童大骨节病临床及X线检出率显著下降，2006年临床及X线检出率均为0，达到国家控制标准；儿童发硒水平显著上升，由1997年的0．118mg／kg上升到2005年的0．370mg／kg。结论食用合格硒盐及非病区粮食，群众经济收入增加，生活、卫生水平提高是大骨节病病情下降的主要原因，应继续加强病情监测工作，加强病区群众健康教育及成人大骨节病的防治。

Objective To obtain the situation of Kaschin-Beck disease （KBD） prevalence and control in Yuyang County, Shaanxi Province, and toevaluate the effectiveness of control in order to guide the prevention and control. Methods About 100 children aged 7 to 12 underwent clinical examination, X-ray and hair selenium level test in each year. All radiographs were collected and read by a group of specialist to diagnosis the cases and confirm KBD prevalence level. Results The rate of Kaschin-Beck disease detectd by clinic and X-ray decreased remarkably in Yuyang County in the past ten years. It was 0, which met the national standard in 2006; The hair selenium level increased significantly from 0.118 mg/kg of 1997 to 0.370 mg/kg of 2006. Conclusions Kaschin- Beck disease prevalence is well controlled after eating selenium salt, importing cereals from non-Kaschin-Beck disease areas, and improving the life and health level of people. The health education for community member in disease prevalence area and the monitoring of Kasehin-Beck disease prevalence should be emphasized, meanwhile the research and treatment for adults Kaschin-Beck disease should be carried on.