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目的分析中国2004-2009年不明原因肺炎病例的报告情况,探讨可能的报告影响因素。方法以2004-2009年各省报告的不明原因肺炎病例为研究对象,分析不同分组病例的发病、诊断、报告、审核时间序列。结果 2004-2009年全国共报告不明原因肺炎病例864例,2004年4-5月北京市和安徽省传染性非典型肺炎疫情、2005-2006年冬春季和2009年初的人禽流感疫情同期,有明显的报告高峰。不明原因肺炎发病-诊断的平均间隔为5.0 d,诊断-报告的间隔为0.7 d,报告-审核的间隔为0.1 d。人禽流感疫情发病高峰期间报告的不明原因肺炎发病-诊断间隔(8.0 d)长于其他时间段。最终诊断为人禽流感病例的不明原因肺炎发病-诊断的间隔(8.0 d)长于非人禽流感病例。结论不明原因肺炎监测对中国人禽流感病例的发现有重要作用,但仍存在很多问题。根据目前的监测实施现状,建议对监测病例定义和监测流程等进行调整,以更好地实现监测目的。
Objective To analyze the report of cases of unexplained pneumonia in China from 2004 to 2009 and explore the possible influencing factors of the report. Methods The cases of pneumonia of unexplained pneumonia reported in the provinces from 2004 to 2009 were studied, and the incidence, diagnosis, report and audit time series of cases were analyzed. Results A total of 864 cases of unexplained pneumonia were reported nationwide in 2004-2009. From April to May 2004, the outbreaks of SARS in Beijing and Anhui Province, the prevalence of human bird flu in winter and spring 2005-2006 and early 2009 were Obvious reporting peak. Undesirable causes of pneumonia - The mean interval between diagnosis and diagnosis was 5.0 d, the interval between diagnosis and report was 0.7 d, and the interval between report and examination was 0.1 d. The unexplained reported pneumonia outbreak at the peak of the human bird flu incidence - diagnosis interval (8.0 d) was longer than at other time periods. Unidentified cause of final diagnosis of human bird flu Pneumonia onset - Interval of diagnosis (8.0 d) longer than non-human bird flu cases. Conclusions Pneumonia surveillance with unknown causes plays an important role in the detection of bird flu in China, but many problems still exist. According to the current status of monitoring implementation, it is suggested that the monitoring case definition and monitoring process be adjusted to better achieve the monitoring purpose.