贵阳市区小学生肠道线虫感染状况与对策

目的了解贵阳市小学生肠道线虫感染动态变化情况。方法每年选择4所小学800余名学生粪检,改良加藤法,虫卵计数。结果从1998一2007年,四所小学学生总感染率逐年分别为22.17%、20.23%、17.33%、23.02%、14.19%、9.27%、11.26%、7.90%、8.22%、7.80%,学校间比较每年均以城郊的茶店小学感染率较高。感染虫种以蛔虫为主,其次为鞭虫、钩虫。蛔虫感染率最高是1998年的24.64%、最低是2007年7.68%。钩虫仅在茶店小学学生查到。各虫种大多为轻度感染,仅蛔虫有少量重度感染。结论贵阳?小学生肠道线虫感染率近10年来呈现出明显的下降趋势。城郊小学生较城区小学生感染情况严重。应当继续加强学校的健康教育,并辅以有计划地药物驱虫工作,才能使感染状况进一步改善。

The Status and Strategies in Primary Schoolchildren Intestinal Eelworm Infection in Guiyang

Objective To understand intestinal eelworm infection tendency states of schoolchildren in Guiyang. Methods Choosing 4 primary schools in Guiyang, sampled more than 800 students in and testing them stool using improved Kato - Katz method and worm ovum counting, Results The total infection rate were respectively 22. 17%, 20. 23%, 17. 33%, 23. 02%, 14. 19%, 9. 27%, 11.26%, 7. 90%, 8.22% and 7. 80% in ten years from 1998 to 2007. The highest was in 1998, and the lowest was in 2007. Compare among 4 schools, Chadian primary School which is located in suburbs had the highest infection rate The Roundworm infection was the main of cause of the Parasite Diseases, the next were Whipworm and Hookworm. Majority parasite infected eases were mild. Conclusion Parasite diseases is decreasing in recently 10 years. The students in suburbs were more severe than city students. The health education should be enhance continuously, and designing take helminthic also necessary.