杭州市2001-2008年急性弛缓性麻痹监测系统排除病例分析

Non-AFP cases of the surveillance system in polio-free phase

目的:为提高无脊髓灰质炎状态急性弛缓性麻痹(AFP)病例监测系统敏感性的可靠程度及监测质量。方法:用描述流行病学方法对杭州市2001-2008年监测系统中的排除AFP病例进行分析。结果:分析显示了被排除AFP病例的一些基本特征,AFP病例的诊断特异性为63.73%,以集体儿童为主,按月分布以10月为高,有记录3次免疫史占89.32%,排除AFP病例以调查时四肢肌力已经恢复正常及关节炎、滑膜炎、肌肉疼痛为主。结论:通过调查核实,监测系统中的非AFP病例被剔除,提高了AFP病例监测系统准确性。

Objective To improve the reliability and quality of the sensitivity of the non-polio AFP cases surveillance system.Method Descriptive epidemiological methods were applied to analyze the non-AFP cases in the surveillance system of in Hangzhou from 2001 to 2008.Result The results showed the basic features of the non-AFP cases.The diagnostic specificity of AFP cases was 63.73%,mainly in some children from school.The highest prevalence occured in October.89.32% of the total cases had vaccination history of three doses.The non-AFP cases mainly were those getting right when investigated and the main symptoms were arthritis,synovial inflammation and muscle pain.Conclusion Through investigations,the non-AFP cases are withdrawn from the surveillance system.It improves the reliability of surveillance system.