| 江苏省血吸虫病疫情监测与风险评估系统的研究II东台市螺情监测方式与效果 |
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| 引用本文： | 蒋怀育,孙伯超,曹国祥,高霞,张长桂,周兴军,杨坤,孙乐平. 江苏省血吸虫病疫情监测与风险评估系统的研究II东台市螺情监测方式与效果[J]. 中国血吸虫病防治杂志, 2014, 26(6): 622 |
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| 作者姓名： | 蒋怀育 孙伯超 曹国祥 高霞 张长桂 周兴军 杨坤 孙乐平 |
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| 作者单位： | 1 江苏省东台市疾病预防控制中心 （东台224200）； 2 江苏省盐城市疾病预防控制中心； 3 江苏省东台市人民政府血吸虫病地方病防治工作领导小组办公室； 4 江苏省血吸虫病防治研究所、 卫生部寄生虫病预防与控制技术重点实验室、 江苏省寄生虫分子生物学重点实验室 |
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| 基金项目： | 国家科技重大专项 （2012ZX10004?220）； 江苏省临床医学科技专项 （BL2014021） |
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| 摘 要： | 目的 目的 探讨血吸虫病传播阻断地区螺情监测的方式， 为螺情监测工作提供新模式。方法 方法 选择苏北沿海达到血吸虫病传播组断的东台市， 采用村级普查、 村级抽样调查、 市镇重点环境调查和群众报螺4种螺情监测方式， 并采用设置质控螺点进行质量评估， 分析比较不同螺情监测方式的效果与费用。结果 结果 2008-2013年东台市共监测调查环境163 079处， 面积22 785.62 hm2， 发现8个残存螺点， 钉螺面积1.48 hm2。村级普查、 村级抽样调查和市镇重点环境调查3种方式分别调查环境94 550、 45 033处和23 496处， 占57.98%、 27.61%和14.41%， 查出有螺环境2、 0处和6处， 螺点环境查获率0.21个/万、 0和2.55个/万， 市镇重点环境调查螺点查获率显著高于村级普查 （χ2= 19.158， P = 0.000）。3种方式质控螺点回收率分别为52.56%、 38.27%和73.62%， 市镇重点环境调查质量显著优于村级查螺 （χ2= 111.597、 85.991， P 均= 0.000）。6年接受群众报螺289人次， 共报可疑有螺环境279个， 各类活螺1 501只， 未发现钉螺。6年村级普查、 村级抽样调查、 市镇重点环境调查分别投入费用161.75万、 94.67万元和52.77万元， 单位面积查螺费用分别为129.88、 133.60元/hm2和162.57元/hm2； 村级普查和市镇重点环境调查查出每个螺点的费用为80.88万元/处和8.80万元/处， 差异有统计学意义 （t = 12.850， P = 0.000）， 后者费用为前者的10.88%。结论 结论 市镇重点环境调查查螺方式效率高、 质量好， 可作为传播阻断地区螺情监测的优选方式之一。
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| 关 键 词： | 血吸虫病； 传播阻断； 重点环境； 螺情监测； 江苏省 |
Surveillance and risk assessment system of schistosomiasis in Jiangsu Province II Surveillance pattern and effect of Oncomelania hupensis snail status in Dongtai City,Jiangsu Province |
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| JIANG Huai-Yu,SUN Bo-Chao,CAO Guo-Xiang,GAO Xia,ZHANG Chang-Gui,ZHOU Xin-Jun,YANG Kun,SUN Le-Ping. Surveillance and risk assessment system of schistosomiasis in Jiangsu Province II Surveillance pattern and effect of Oncomelania hupensis snail status in Dongtai City,Jiangsu Province[J]. Chinese journal of schistosomiasis control, 2014, 26(6): 622 |
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| Authors: | JIANG Huai-Yu SUN Bo-Chao CAO Guo-Xiang GAO Xia ZHANG Chang-Gui ZHOU Xin-Jun YANG Kun SUN Le-Ping |
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| Abstract: | Objective Objective To explore the method of Oncomelania hupensis snail surveillance in transmission? interrupted re?gions of schistosomiasis，so as to provide a new pattern for the surveillance of snail status in the transmission?interrupted areas.Methods Methods In Dongtai County，north of Jiangsu Province where the transmission of schistosomiasis was interrupted，the surveil?lance of snail status was performed by means of the village?level general survey，village?level sampling survey，snail survey inkey settings of township and county，and snail reporting by residents. In addition，quality?control snail sites were set up for quali?ty control. The effectiveness and cost of the four methods of snail surveillance was compared. Results Results A total of 163 079 set?tings and 22 785.62 hm2were surveyed in Dongtai County from 2008 to 2013，and 89 residual snail breeding sites were found，with a snail area of 1.48 hm2. The patterns of village?level general survey，village?level sampling survey，and snail survey in key settings of township and county were employed for investigation of 94 550，45 033 and 23 496 settings，consisting of 57.98%，27.61% and 14.41% of total settings，and 2，0 and 6 settings were found with snails，with 0.021/thousand，0，and 0.255/thou?sand detection rates of settings with snail breading sites，respectively. The pattern of snail survey in key settings of township andcounty was more effective than that of village?level survey to detect snail breeding sites（χ2= 19.158，P = 0） . The recovery rateof quality?control snail breeding sites was 52.56%，38.27% and 73.62% for the three patterns of snail survey，respectively，andthe pattern of snail survey in key settings of township and county showed a higher quality for snail survey than that of village?lev?el survey（χ2= 111.597 and 85.991，both P = 0） . During the period from 2008 to 2013，289 person?times reported 279 sus?pected snail habitats and 1 501 living snails，and no Oncomelania snails were found. During the 6 ? year period，there were1617.5，964.7 and 527.7 thousand RMB invested for village?level general survey，village?level sampling survey，and snail sur?vey in key settings of township and county，and the cost of snail survey per hm2was 129.88，133.6 and 162.57 RMB/hm2，re?spectively. The cost of village?level general survey and snail survey in key settings of township and county to detect a snail?breed?ing site was 808 800 and 88 000 RMB，respectively （t = 12.850， P = 0.000），and the cost of snail survey in key settings of town?ship and county was 10.88 % of that of village?level general survey. Conclusion Conclusion The snail survey in key settings of townshipand county is a highly effective and high?quality method for snail surveillance，which may serve as a prior way for the surveil?lance of snail status in the transmission?interrupted areas of schistosomiasis. |
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| Keywords: | Schistosomiasis；Transmission interruption； Key setting；Snail surveillance；Jiangsu Province |
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