2001-2007年成都市急性弛缓性麻痹病例流行病学分析与监测系统评价

Epidemiological Analysis on Acute Flaccid Paralysis Cases and Evaluation on Its Surveillance System in Chengdu From 2001 to 2007

目的分析成都市急性弛缓性麻痹(AFP)病例流行病学特征及监测结果,指导维持本市无脊髓灰质炎工作。方法收集2001-2007年全市报告的AFP病例个案调查表及其相关报表资料,采用描述流行病学方法统计分析。结果成都市2001-2007年共报告15岁以下儿童本地AFP病例272例,年平均报告发病率2.23/10万,无脊灰病毒野毒株检出和脊髓灰质炎病例报告;系统监测的敏感性、及时性和完整性指标均明显超过卫生部要求。结论成都市的AFP监测系统运转良好,但存在一定免疫空白和输入性病例的威胁,病例就诊与报告的及时性、个案调查质量有待提高,建议加强免疫接种的健康教育和调查技术培训。

Objective To understand the epidemiological characters of acute flaccid paralysis （AFP） and the working quality of its surveillance system in Chengdu, so as to present guidance to maintain the poliomyelitisfree environment Method All the monitoring data of AFP reported in Chengdu from 2001 to 2007 were collected and descriptive epidemiological method was used for analysis. Results 272 local AFP cases in children under 15 years old were reported in Chengdu from 2001 to 2007. The annual average incidence of AFP was 2.23 per 100 000. No wild-type poliovirus or poliomyelitis case found. Each of indexes for sensitivity, timeliness and integrity of AFP surveillance system exceed the relevant requirements of MOH. Conclusion AFP case surveillance system in Chengdu worked well over years. The no-vaccination and threat from input case still not disappeared, Timeliness of consultancy and case report, as well as quality of investigating AFP case need to be improved. Health education of vaccination and investigation skills training are proposed to be strengthened.