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首页> 外文期刊>Transactions of the Royal Society of Tropical Medicine and Hygiene >Trachoma prevalence in Niger: Results of 31 district-level surveys
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Trachoma prevalence in Niger: Results of 31 district-level surveys

机译：尼日尔的沙眼普遍：31个地区级调查的结果

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Background: The leading cause of preventable blindness worldwide is trachoma, a condition caused by an infection of the inner eyelid. In Niger, a landlocked republic in Western Africa, surveys in 1988-89 identified trachoma as endemic in all but one region and, as a result, there is a National Prevention of Blindness Program plan to eliminate trachoma by 2015. Methods: Thirty-one districts in eastern and western Niger were surveyed for trachoma prevalence from May 2009 to March 2012 as part of routine program impact evaluations. Prevalence surveys were implemented independently in each district using a two-stage cluster random design. Probability proportional to size was used to randomly select villages and 25 households were selected in each cluster. The prevalence of trachoma of clinical grade trachomatous follicular (TF) was estimated in children aged 1-9 years, and the prevalence of blinding trachoma, trachomatous trichiasis (TT), was measured in adults aged ≥15 years. Results: A total of 14 211 households was surveyed; 58 617 individuals were evaluated for clinical signs of trachoma, of whom 27 087 were children aged 1-9 years. District-wide implementation of the full SAFE strategy is warranted in 16 districts where TF prevalence exceeds 10% and targeted implementation of the SAFE strategy (surgery for trichiasis; antibiotic therapy to control transmission; facial cleanliness for hygiene promotion; environmental change for improvements in access to water and sanitation) is recommended in the remaining 15 districts. The prevalence of TTamong adults exceeded 1% in nine districts, suggesting that surgical services to treat TT should be implemented district-wide. Conclusions: These results establish the need for continued SAFE strategy implementation throughout Niger.
机译：背景：全世界可预防失明的主要原因是沙眼，一种由内眼睑感染引起的病症。在尼日尔，在西非的内陆共和国，1988 - 89年的调查在除了一个地区的所有区域之外的特有，而且由于一个地区，并因此在2015年之前预防失明计划计划来消除沙眼。方法：三十一从2009年5月至2012年3月，东部和西部尼日尔的地区被调查为Trachoma Pervalience，作为日常计划影响评估的一部分。使用两级集群随机设计，在每个地区独立实施流行调查。概率与大小成比例用于随机选择村庄，每个簇中选择25户。在1-9岁的儿童估计临床级气管滤泡（TF）的患病率，以及在≥15岁的成年人中测量了致盲沙眼，致盲气肿（TT）的患病率。结果：共调查了14个211个家庭; 58 617个人被评价着沙眼的临床症状，其中27 087年为1-9岁的儿童。区域范围内的全面安全战略的实施是在TF流行率超过10％和有针对性的安全策略实施的地区（Trichiaisis的手术;抗生素治疗来控制传输;用于卫生促进的面部清洁;进入的改善环境变化在剩下的15个地区建议使用水和卫生设施。 TTamong成年人的患病率超过九个地区的1％，这表明应当实施治疗TT的手术服务。结论：这些结果确定了尼日尔持续安全战略实施的必要性。

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