学龄前儿童肠道蠕虫感染现状分析

The survey of common intestinal helminth infection of preschool children in Hangzhou

目的：了解杭州市学龄前儿童肠道常见蠕虫感染现状,为进一步防治提供参考依据。方法：选择杭州市不同区域、不同等级的14所幼儿园和一家医院儿科门诊就诊的1 932例3-6岁学龄前儿童作为调查对象,对每个被调查的幼儿采用生理盐水直接涂片法和饱和盐水浮聚法粪检蛔虫卵、钩虫卵、鞭虫卵;用透明胶纸肛拭法检查蛲虫卵。结果：1932例受检者中,寄生虫感染249例,总感染率12.89%,其中蛲虫占4.35%,蛔虫8.07%,鞭虫0.62%,钩虫0.31%,感染两种虫种者占总感染人数的3.61%;不同级别幼儿园儿童肠道常见蠕虫感染率分别为甲级幼儿园7.31%、乙级12.60%、丙级21.47%,差异有显著性（P〈0.001）。结论：杭州市学龄前儿童肠道常见蠕虫感染率为12.89%,寄生虫感染率高低与幼儿园环境卫生、教学设施等因素密切相关。

Objective： To comprehend the current status and trends of common intestinal helminth infection on preschool children of Hangzhou as the reference for the planning of prevention and cure. Methods： 1 932 preschool children aged 3 to 6 years （ 1 086 boys and 846 girls） in kindergartens of different level of Hangzhou were randomly selected as interviewees to be inspected for bellyworm, whipworm and hookworm eggs by physiological saline direct smear, saturated saline floating and pinworm eggs using transparent adhesive tape. Results： Among the 1 932 children, 249 children were found to have infection of common intestinal helminth and the total infection rate was 12. 89%, which pinworm 4. 35%, bellyworm 8. 07%, whipworm 0. 62%, and hookworm 0. 31%. Those who were infected by two kinds of helminth accounted for 3. 61% in the total number of infections. Conclusion： Total infection rate of common intestinal helminth of pre-school children from 3 to 6 years old is 12. 96% in the kindergartens of Hangzhou. The environment and sanitation of the kindergarten do influence the prevalence of parasites.