2015年河南省豫东地区人体肠道寄生虫感染现状调查  

A survey on parasite infection in human intestines in the eastern part of Henan Province in 2015

作　　者：邓艳[1] 张雅兰[1] 陈伟奇[1] 蔺西萌[1] 周瑞敏[1] 刘颖[1] 杨成运[1] 钱丹[1] 张红卫[1] 许汴利[1] 

机构地区：[1]河南省疾病预防控制中心,郑州450016

出　　处：《中国寄生虫学与寄生虫病杂志》2017年第5期450-455,共6页Chinese Journal of Parasitology and Parasitic Diseases

摘　　要：目的了解河南省豫东地区肠道寄生虫感染的流行现状,为该地区肠道寄生虫感染的防治提供科学依据。方法 2014年11月-2015年6月按照经济条件和地理方位进行分层整群抽样,随机选择豫东地区的临颍县、濮阳县、台前县、太康县、西平县、息县、项城市、新郑市、虞城县等9个县(市)26个调查点,采集人群粪样,采用改良加藤厚涂片法检查肠道蠕虫感染情况,钩蚴试管滤纸培养法鉴别钩虫(Ancylostoma sp.)虫种,3~6岁儿童采用透明胶纸肛拭法检查蛲虫(Enterobius vermicularis)感染情况,碘液染色法检查肠道原虫感染情况。收集各调查点的主要饮用水源、农民年人均纯收入等基本信息。将不同地区感染率进行标准化后进行比较。不同虫种、性别、年龄和职业以及其他相关因素的感染率间差异比较采用卡方检验。结果共收集粪样6 696份,检出肠道蠕虫6种,肠道原虫4种。肠道寄生虫总感染率为1.57%(105/6 696),其中肠道蠕虫和原虫感染率分别为0.91%(61/6 696)和0.66%(44/6 696)。感染率较高的3种肠道寄生虫分别为蛲虫(0.36%,24/6 696)、人芽囊原虫(Blastocystis hominis)(0.30%,20/6 696)和蛔虫(Ascaris lumbricoides)(0.19%,13/6 696)。3~6岁儿童蛲虫感染率为2.23%(15/674),其中肛拭蛲虫感染率为1.93%(13/674)。7份钩蚴经鉴定均为十二指肠钩虫(Ancylostoma duodenale)。肠道寄生虫感染率较高的3个县(市)分别是项城市(4.24%)、新郑市(3.51%)和太康县(3.34%)。男性和女性肠道寄生虫感染率分别为1.71%(55/3 214)和1.44%(50/3 482),两者差异无统计学意义(χ~2=0.82,P>0.05)。不同文化程度人群中,肠道寄生虫感染率最高的为高中/中专组2.11%(10/473),与其他组比校,差异无统计学意义(χ~2=2.41,P>0.05)。不同年龄组人群中,15~29岁组人群的肠道寄生虫感染率最高,为2.38%(21/884),与其他年龄组比较,差异有统计学意义(χ~2=9.39,P<0.01)。不同职业人群中,学龄前和学Objective To understand the endemic status of human intestinal parasitic infections in the eastern part of Henan Province, in order to facilitate control of the disease in this region. Methods According to the economic level and geographical location, stratified cluster sampling was made to randomly select 26 survey spots in 9 counties including Linying, Puyang, Taiqian, Taikang, Xiping, Xixian, Xiangcheng, Xinzheng and Yucheng, from November 2014 to June 2015. Human fecal samples were collected and examined for intestinal worm infection using Kato-Katz thick smear method. For the hookworm egg-positive samples, larvae were cultured on the filter paper to identify the species of Ancylostoma. The adhesive tape method was used to detect pinworm eggs in children aged 3 to 6. and iodine staining was used to detect protozoan infection in fecal samoles. Information on the source of drinking water and the annual per capita net income of farmers was collected. The infection rate was normalized and compared among different regions. The parasitic infection rate was also analyzed in aspects of species, sex, age, and occupation using the Chi-square test. Results A total of 6 696 fecal samples were collected, from which 6 species of intestinal worms and 4 species of intestinal protozoans were found. The overall infection rate of intestinal parasites was 1.57% （105/6 696）, comprising 0.91% （61/6 696） for worms and 0.66% （44/6 696） for protozoans. Concerning the infection rate, the top three intestinal parasites were the pinworms （0.36%, 24/6 696）, Blastocystis hominis （0.30%, 20/6 696）, and Ascaris lumbricoides （0.19%, 13/6 696）. The pinworm infection rate was 2.23% （15/674） among children aged 3-6 and that revealed by the adhesive tape method was 1.93% （13/674）. The hookworm larvae detected in 7 samples were all identified to be Ancylostoma duodenale. The top three counties with highest intestinal parasite infection rate were Xiangcheng （4.24%）, Xinzheng （3.51%） and Taikang （3.34%）.

关 键 词：现状调查 肠道寄生虫 豫东地区 

分 类 号：R53[医药卫生—内科学]