甘肃省50年麻风流行趋势分析

Studies on Epidemiology of Leprosy for 50 Years in Gansu Province

目的 研究甘肃省 50年麻风流行基本指标变化 ,综合评价防治效果及流行趋势。 方法 对甘肃省 50年麻风的流行病学资料进行分析。结果 全省至 1998年底累计发现麻风患者 4 773例 ,77.76％的患者在陇南、甘南、临夏三个地区的 24个县。历年多菌型比均 >60％。累计治愈 3 507例 ,其余为未愈死亡、失访等减少。自 60年代加大普查和防治力度后 ,患病率及发现率稳定下降 ,流行范围逐年缩小 ;平均发病年龄升高 ,0～ 14岁少年儿童患者所占比例明显减少。流行县 (市 )从 1986年 84.88％下降到 1998年的 24.14％。 1998年底有现症患者 42例 ,患病率为 0.0017‰。结论 半个世纪的麻风防治工作已经取得了显著的成效。

Objective To study epidemiological trends of leprosy for 50 years in Gansu Province. Methods Epidemiological indicators and their trends were analyzed. Results By the end of 1998, a total of 4 773 leprosy cases had been detected in Gansu Province, of which 77.76％ distributed in 24 counties in Longnan, Gannan and Linxia prefectures, and 3 507 cases were cured and other dropped out or died. Type ratio of MB to PB was more than 60％ during the period. Since the mass surveys and comprehensive control were implemented in the 1960s, prevalence and detection rates had decreased continuously and the number of endemic counties reduced from 84.88％ in 1986 to 24.14％ in 1998. There were 42 active cases at the end of 1998 with a prevalence rate of 0.0017 per 1000. Conclusion Through the efforts for 50 year running, leprosy has been successfully controlled in Gansu Province.