2007-2011年宜宾市急性迟缓性麻痹病例监测

Surveillance of Acute Flaccid Paralysis in Yibin City,2007-2011

目的分析宜宾市2007-2011年急性迟缓性麻痹(Acute Flaccid Paralysis,AFP)病例流行病学特征,评价监测系统运转情况,提高检测灵敏性、特异度,巩固无脊灰成果。方法采用流行病学方法,分析宜宾市AFP病例流行病学特征;按照世界卫生组织(WHO)和卫生部规定的各项监测指标,评价AFP监测系统运转情况。结果宜宾市2007-2011年共报告<15岁儿童非脊灰AFP病例136例,年报告发病率均>1/10万,其中2007年、2008年、2009年、2010年、2011年报告发病率分别为2.15/10万、1.90/10万、2.95/10万、3.15/10万和2.48/10万;年平均报告发病率2.53/10万;各年度合格便标本采集率均>80%,2007-2011年各年合格便标本采集率分别为80.8%、95.0%、87.1%、93.9%和88.5%;各年度含零病例报告的县、乡每月均达100%;结论宜宾市2007-2011年AFP病例监测系统各项监测指标均达到WHO和卫生部要求,AFP病例监测系统运转良好;继续加强AFP监测,提高合格粪便标本的采集率。

Objective To analyze the epidemiologic characteristics of acute flaccid paralysis （AFP） cases during 2007 and 2011 and to evaluate the performance of the AFP surveillance system in Yibin. Methods Descriptive epidemiology was adopted to analyze the characteristics of AFP and indicators recommended by the World Health Organization （WHO） and Ministry of Health （MOH） were used to evaluate the surveillance system. Results A total of 136 non - polion AFP cases with age above 15 years old were reported in Yibin from 2007 to 2011. The annual average incidence rates were respectively 2. 15, 1.90, 2.95, 3.15 and 2. 48 per 100 000 persons and the collection rates of adequate stool specimens were respectively 80. 8%, 95.0%, 87.1%, 93.9% and 88.5% during the period. Conclusion The AFP surveillance system is overall eligible according to official standards, yet to be further consolidated. Meanwhile, the collection rate of stool samples is to be elevated.