甘肃省定西市2015—2020年人群土源性线虫病感染监测分析  

Surveillance analysis of soil-transmitted nematode disease infection in the population of Dingxi,Gansu,2015-2020

作　　者：杨俊克[1] 冯宇[1] 姜月 李凡[1] 刘子婧 张小娟 杨成明[1] YANG Jun-ke;FENG Yu;JIANG Yue;LI Fan;LIU Zi-jing;ZHANG Xiao-juan;YANG Cheng-ming(Gansu Provincial Center for Disease Control and Prevention,Lanzhou,Gansu 730000,China;Gansu University of Traditional Medicine,Lanzhou,Gansu 730000,China)

机构地区：[1]甘肃省疾病预防控制中心,甘肃兰州730020 [2]甘肃省中医药大学,甘肃兰州730000

出　　处：《中国热带医学》2021年第12期1183-1186,共4页China Tropical Medicine

摘　　要：目的调查分析甘肃省定西市人群土源性线虫病流行状况,探究感染分布特点和高危人群。方法按照土源性线虫病监测方案,2015—2020年,在定西市7县(区)中每年选一个县,按地理方位选取5个乡,其中随机选择1个自然村为调查点,采用整群随机抽样法抽取调查对象,采集调查对象的粪便样本,采用改良加藤厚涂片法检测土源性线虫虫卵,对3~9岁儿童用透明胶纸肛拭法检测蛲虫卵。结果调查6440人,蛲虫检测1115人,检出土源性线虫感染者100例,总感染率为1.55%,其中,蛔虫感染者98例(1.52%),蛲虫感染者2例(0.18%),无钩虫、鞭虫感染者。土源性线虫感染类型主要为蛔虫。人群蛔虫感染率漳县最高(3.34%),通渭县次之(3.18%),临洮县最低(0.20%)。蛔虫感染率男性(1.60%)高于女性(1.44%)。人群普遍易感蛔虫,感染率最高年龄组为0~<5岁组(5.32%),其次为5~<10岁组(2.24%)。职业分布以学龄前儿童蛔虫感染率最高(4.27%)。学历以小学学历蛔虫感染率最高(1.64%),其次为文盲或半文盲(1.54%)。结论0~<5岁人群和文化程度较低者更易感染土源性线虫,防治的重点人群为学龄前儿童和农民。Objective To investigate and analyze the prevalence of soil-borne nematodes in the population of Dingxi City,and we explore the distribution characteristics of infection and high-risk populations.Methods According to the soiltransmitted nematode disease monitoring plan,a county selected in 7 counties(districts)in Dingxi City of Gansu Province each year from 2015 to 2020,then 5 towns selected by different geographical location in the county and a village determined for monitoring points by random selection,a cluster random sampling method was used to select the population.The fecal samples from survey subjects collected,Kato-Katz thick smear technique applied to detect soil-derived nematode eggs,and for children aged 3 to 9 years,anal swab by gummed tape test used for examining pinworm eggs.ResultsA total of 6440 people were investigated,and 1115 were tested for pinworms.And 100 cases of soil-derived nematode infection were detected.The total infection rate was 1.55%.Among them,98 cases(1.52%)were infected with A.lumbricoides and 2 cases(0.18%)were infected with pinworms,and no hookworm or whipworm infection.The main type of soil-borne nematode infection was A.lumbricoides.The population infection rate of A.lumbricoides was the highest in Zhang County(3.34%),followed with Tongwei County(3.18%)and the lowest in Lintao County(0.20%).The infection rate of A.lumbricoides in men(1.60%)was higher than that in women(1.44%).The population was generally susceptible to A.lumbricoides,and the age groups with the highest infection rates was the 0-<5 year-old group(5.32%)and followed by the 5-<10 year-old group(2.24%).Occupational distribution was preschool children with the highest rate of A.lumbricoides infection(4.27%).The infection rate of A.lumbricoides with primary school education was the highest(1.64%),followed by illiterate or semi-illiterate(1.54%).Conclusions People aged 0-5 years and those with lower educational level are more susceptible to soil-borne nematodes.The key populations for prevention and control are pr

关 键 词：土源性线虫病 蛔虫 感染率 人群分布 定西市 

分 类 号：R532.1[医药卫生—内科学]