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首页> 外文期刊>Journal of Parasitology >SOIL-TRANSMITTED HELMINTH PREVALENCE AND INFECTION INTENSITY AMONG GEOGRAPHICALLY AND ECONOMICALLY DISTINCT SHUAR COMMUNITIES IN THE ECUADORIAN AMAZON
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SOIL-TRANSMITTED HELMINTH PREVALENCE AND INFECTION INTENSITY AMONG GEOGRAPHICALLY AND ECONOMICALLY DISTINCT SHUAR COMMUNITIES IN THE ECUADORIAN AMAZON

机译：厄瓜多尔亚马逊地区地理上和经济上不同的Shuar社区中土壤传播的蠕虫患病率和感染强度

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Soil-transmitted helminth (STH) infections can result in a variety of negative health outcomes (e.g., diarrhea, nutritional deficiencies). Market integration (MI; participation in market-based economies) has been suggested to alter levels of STH exposure due to associated changes in diet, sanitation, and behavior, but the effects are complicated and not well understood. Some effects of economic development result in decreased exposure to certain pathogens, and other factors can lead to higher pathogen exposure. With geographic location used as a proxy, the present study investigates the effects of economic development on parasite load among an indigenous population at multiple points along the spectrum of MI. This research has many implications for public health, including an increased understanding of how social and economic changes alter disease risk around the world and how changing parasite load affects other health outcomes (i.e., allergy, autoimmunity). Specifically, this study examines the prevalence of intestinal helminths among the Shuar, an indigenous group in the Morona-Santiago region of Ecuador, from 2 geographically/economically separated areas, with the following objectives: (1) report STH infection prevalence and intensity among Shuar; (2) explore STH infection prevalence and intensity as it relates to age distribution in the Shuar population; (3) compare STH infection patterns in geographically and economically separated Shuar communities at different levels of MI. Kato-Katz thick smears were made from fresh stool samples and examined to determine STH presence/intensity. Results indicate that 65% of the 211 participants were infected with at least 1 STH. Twenty-five percent of the sample had coinfections with at least 2 species of helminth. Infection was more common among juveniles (<15 yr) than adults. Infection prevalence and intensity was highest among more isolated communities with less market access. This study documents preliminary associations between STH infection and exposure to MI, with implications for public health research and interventions
机译：土壤传播的蠕虫（STH）感染会导致各种负面的健康后果（例如，腹泻，营养缺乏）。由于饮食，环境卫生和行为的相关变化，有人建议通过市场整合（MI;参与基于市场的经济活动）来改变STH暴露水平，但其影响是复杂的，人们对此还不甚了解。经济发展的某些影响导致减少了对某些病原体的暴露，而其他因素则可能导致较高的病原体暴露。以地理位置为代表，本研究调查了经济发展对沿MI谱图多个点的土著居民中寄生虫负荷的影响。这项研究对公共卫生有许多影响，包括对社会和经济变化如何改变全球疾病风险以及不断变化的寄生虫负荷如何影响其他健康结果（即过敏，自身免疫）的更多了解。具体而言，本研究从两个地理/经济上分离的区域检查了厄瓜多尔莫罗纳-圣地亚哥地区的一个本地人Shuar中肠道蠕虫的患病率，其目标如下：（1）报告Shuar中的STH感染率和强度; （2）探讨与树耳种群年龄分布有关的STH感染率和强度; （3）比较不同MI水平在地理和经济上分离的Shuar社区中的STH感染模式。由新鲜粪便样品制成加藤卡茨浓厚的涂片并检查以确定STH的存在/强度。结果表明，在211名参与者中，有65％感染了至少1种STH。 25％的样本合并感染了至少2种蠕虫。青少年（<15岁）比成人更常见感染。在市场机会较少的偏僻社区中，感染的发生率和强度最高。这项研究记录了STH感染与MI暴露之间的初步关联，对公共卫生研究和干预措施具有重要意义

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