Prevalence of human alveolar echinococcosis in China: a systematic review and meta-analysis

文献类型： 外文期刊

第一作者： Wang, Xuanzhuo

作者： Wang, Xuanzhuo;Lu, Jiahai;Wang, Xuanzhuo;Dai, Guodong;Li, Min;Jia, Wanzhong;Guo, Zhongmin;Lu, Jiahai;Lu, Jiahai

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关键词： Human alveolar echinococcosis prevalence; Systematic review and meta-analysis; One health; Disease control

期刊名称：BMC PUBLIC HEALTH （ 影响因子：3.295； 五年影响因子：4.003 ）

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年卷期： 2020 年 20 卷 1 期

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收录情况： SCI

摘要： BackgroundHuman alveolar echinococcosis (HAE), caused by the larvae of Echinococcus multilocularis, is a severe parasitic disease that is a major public health concern. New HAE cases in China account for 91% of the global HAE burden every year. Although there are a few studies and systematic reviews (SRs) on the prevalence of HAE in China, trends in the prevalence have not been estimated. This study aims to describe the overall variation in the trend of HAE prevalence in China, and provide evidence for preventive measures in the future.MethodsThirty-five eligible studies were retrieved from PubMed, Web of Science, EMBASE, CNKI, Wanfang Data, and VIP, and included in the SR and meta-analysis. An adjusted Agency for Healthcare Research and Quality checklist was used to evaluate study quality. The arcsine transformation was used to adjust the individual reported prevalence, and the pooled HAE prevalence was calculated. Heterogeneity was evaluated using the chi-square test and I-2 statistic. Forest plots were generated for the meta-analysis, and publication bias of the studies was assessed using the Egger's test and funnel plots. We conducted subgroup analyses, sensitivity analyses, and meta-regression analyses to analyze the source of heterogeneity and factors potentially influencing the prevalence of HAE.ResultsThe meta-analysis indicated that the pooled HAE prevalence in China was 0.96% (95% CI: 0.71 to 1.25%). Factors potentially influencing HAE prevalence were female sex (OR=1.60, 95% CI: 1.35 to 1.91, P<0.01), being 30years old (OR=4.72, 95% CI: 2.29 to 9.75, P<0.01), and being farmers and/or herdsmen (OR=2.54, 95% CI: 1.60 to 4.02, P<0.01). The results of the meta-regression analysis (R-2=38.11%, P<0.01) indicated that HAE prevalence is on a downward trend.ConclusionsHAE prevalence has decreased over time and maintained low levels after 2005 in China. This decline was influenced by the utilization of One Health strategies as intervention measures. Therefore, these One Health strategies should be used as references to formulate future programs for HAE control. More high-quality epidemiological investigations and surveillance programs should be conducted in order to improve HAE control in the future.

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