湖南省基本消灭丝虫病后慢性丝虫病的抽样调查

EPIDEMIOLOGICAL SURVEY BY RANDOM SAMPLING ON PATIENTS WITH CHRONIC FILARIASIS IN HUNAN PROVINCE WHERE THE DISEASE HAD BEEN BASICALLY ELIMINATED

目的：了解基本消灭丝虫病后慢性丝虫病的患病情况。方法：在原班氏丝虫病流行区、马来丝虫病流行区和两种丝虫病混合流行区的５５个县、市，分层随机抽样调查１２个县（市）１０８个村，对１０岁以上居民进行询问病史和体检。结果：在调查的１１１１２７人中共查见慢性丝虫病患者４７０例，患病率为０．４％，其中象皮肿者１５７例（０．１％）、鞘膜积液者２０８例（０．２％）、乳糜尿者１０５例（０．１％）。基本消灭丝虫病前、后慢性丝虫病患病例数分别为３８６例（０．４％）和８４例（０．０７％）。新患病例原班氏丝虫病流行区７３例（０．１％）；两种丝虫病混合流行区１１例（０．０４％）。结论：湖南省基本消灭丝虫病后马来丝虫病流行区未发现象皮肿新患病例；班氏丝虫病流行区和两种丝虫病混合流行区仍继续出现少数鞘膜积液和乳糜尿新患病例。

AIM: To survey the morbidity of chronic filariasis in Hunan Province where the disease had been basically eliminated during 1991 1993. METHOD: 108 villages of 12 counties/cities were randomly selected and investigated on fliariasis endemicity. Local residents above ten years of age were inquired about illness and susbjected to physical examination. RESULTS: 470 chronic filariasis cases were discovered, the prevalence being 0.4% in a population of 111 127, of which elephantiasis accounted for 0.1%, hydrocele 0.2% and chyluria 0.1%. A total of 386 cases were detected before, and 84 after, the basic elimination of filariasis, the prevalence being 0.4% and 0.07%, respectively.CONCLUSION: The results indicated that after basic elimination of filariasis, new elephantiasis cases have not been detected in endemic areas of malayan filariasis, while few new cases of chyluria and hydrocele continued to delevop in areas endemic for bancroftian and mixed filariasis.