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目的 通过分析肠道原虫感染资料 ,了解济市宁儿童肠道原虫感染现状 ,探讨肠道原虫感染率的变化趋势。 方法 采用回顾性研究方法 ,数据统计处理采用计算相对比和x2 检验分析。 结果 (1) 10 8795例受检者中 ,肠道原虫感染 892 0例 ,感染率为 8 2 1% ;(2 )共发现肠道原虫 8种 ,其中蓝氏贾第鞭毛虫、人毛滴虫、结肠内阿米巴、溶组织内阿米巴为主要感染虫种 ,占原虫总感染人数的 96 0 6% ,其感染率依次为 5 15 %、1 2 5 %、0 9%、0 5 % ;(3 )肠道原虫感染率总体呈逐年递增趋势 ,由 1981～ 1982年的 5 3 1%增至 1999～ 2 0 0 0年的 12 2 % ,其中蓝氏贾第鞭毛虫增幅最大 ,结肠内阿米巴和溶组织内阿米巴次之 ,但近 5年来递增速度明显变缓 ,并且原虫多重感染的数量明显减少 ;(4 )肠道原虫感染率夏秋季明显高于冬春季。 结论 肠道原虫感染率呈逐年递增趋势 ,虽近年来增势趋缓 ,但感染率仍居高不下。
Objective To analyze the status of intestinal protozoa infection in children with Jishengning by analyzing the data of intestinal protozoa infection and to explore the changing trend of intestinal protozoal infection rate. Methods The method of retrospective study was used, and the data statistical processing was calculated by the relative ratio and x2 test. Results (1) Of 10 8795 subjects, 892 were infected with intestinal protozoa and the infection rate was 82.1%. (2) A total of 8 intestinal protozoa were found, in which Giardia lamblia, human hair drop Entamoeba histolytica, Entamoeba histolytica and Entamoeba histolytica were the major infectious species, accounting for 96 0 6% of the total number of protozoa infected. The infection rates were 5 15%, 125%, 0 9%, 0 5% respectively. (3) The infection rate of intestinal protozoa increased year by year from 51 31% in 1981 ~ 1982 to 12 2% in 1999 ~ 2000, of which the growth of Giardia lamblia was the largest , Followed by Entamoeba histolytica and Entamoeba histolytica, but the rate of increase gradually slowed down in the past five years and the number of multiple infections of protozoa decreased significantly. (4) The intestinal protozoal infection rate in summer and autumn was significantly higher than that in winter and spring . Conclusions The infection rate of intestinal protozoa shows an increasing trend year by year. Although the growth has slowed down in recent years, the infection rate remains high.