尼加拉瓜珍珠湖地区学童的土壤传播性蠕虫感染
Soil-transmitted Helminth Infections in Schoolchildren of Laguna de Perlas (Nicaragua).
作者信息
Muñoz-Antoli C, Pavón A, Pérez P, Toledo R, Esteban J G
机构信息
Facultad de Farmacia, Departamento de Parasitología, Universidad de Valencia, Av. Vicent Andrés Estellés s/n, Burjassot-Valencia 46100, Spain.
Departamento Bionálisis Clínico, Instituto Politécnico de la Salud (IPS-Polisal), Universidad Nacional Autónoma de Nicaragua, Managua, Nicaragua.
出版信息
J Trop Pediatr. 2017 Apr 1;63(2):124-134. doi: 10.1093/tropej/fmw061.
Soil-transmitted helminth (STH) prevalence, intensity, polyparasitism and co-infections in 425 children from 3 schools of Laguna de Perlas (Nicaragua) were investigated. Single stool samples were analysed by the formalin-ether method and the Kato-Katz. A total of 402 (94.6%) children were infected. Trichuris trichiura 308 (72.4%), Ascaris lumbricoides 115 (27.1%) and Hookworms 54 (12.7%) were the most prevalent STHs. Polyparasitism (322; 75.8%) with two species was most prevalent (109; 25.6%). T. trichiura with A. lumbricoides (19.3%) and T. trichiura with Hookworm (6.8%) were the most common combinations. Positive associations were observed between T. trichiura and A. lumbricoides and T. trichiura and Hookworm (p = 0.0001). Highest Hookworm intensities appeared when three STH co-infections occurred. Moderate- heavy STH intensities appear in up to 42.1% in trichuriasis, 57.5% in ascariasis and 11.1% in Hookworm infections. Integrated control interventions covering children need to be implemented mainly in a rural environment.
对来自尼加拉瓜珍珠湖3所学校的425名儿童的土壤传播蠕虫（STH）感染率、感染强度、多重寄生虫感染和合并感染情况进行了调查。通过福尔马林-乙醚法和加藤厚涂片法对单份粪便样本进行分析。共有402名（94.6%）儿童受到感染。最常见的土壤传播蠕虫为鞭虫（308例，72.4%）、蛔虫（115例，27.1%）和钩虫（54例，12.7%）。两种蠕虫的多重寄生虫感染（322例，75.8%）最为常见（109例，25.6%）。鞭虫与蛔虫（19.3%）以及鞭虫与钩虫（6.8%）的组合最为常见。观察到鞭虫与蛔虫以及鞭虫与钩虫之间存在正相关（p = 0.0001）。当三种土壤传播蠕虫合并感染时，钩虫感染强度最高。鞭虫感染中，中度至重度感染强度出现比例高达42.1%；蛔虫感染中为57.5%；钩虫感染中为11.1%。主要需要在农村环境中实施针对儿童的综合防治干预措施。
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