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目的 监测１９９９年全国大骨节病病情。方法 在全国２２个病区监测点，拍摄７～１２岁儿童右手 Ｘ 光片，集体阅读并总结。结果 １９９９年的多数监测点病情平稳、下降，只有７个点 Ｘ 线阳性检出率超过１０％ ；青海省兴海县下鹿圈点由去年的４５％ 陡然上升到６０％ ，严重恶化，而且是新病例居多。结论 当前重要任务是继续监测，并警惕个别地区病情的明显反弹。
Objective To monitor the status of Kashin-Beck disease in 1999. Methods Twenty-two ward surveillance sites in China were used to photograph the right-handed X-ray films of children aged 7 to 12 years and read them collectively. Results Most of the monitoring sites in 1999 showed a stable and declining condition, with only 7 positive X-ray detection rates exceeding 10%. The lower deer ring point in Xinghai County, Qinghai Province, rose sharply from 45% last year to 60%, deteriorating seriously and was Most new cases. Conclusion The important task now is to continue monitoring and alert the obvious rebound of the disease in some areas.