桂林市不同人群人芽囊原虫感染的流行病学调查分析

Epidemiological investigation on infection of blastocystis hominis in various populations in Guilin

目的了解桂林市不同人群中人芽囊原虫感染情况,为制定干预措施提供依据。方法采用自行设计调查表、分层整群抽样调查的方法,收集1 603例不同人群当日新鲜粪便,用改良酸醚离心沉淀法处理后在显微镜下观察。结果桂林市人芽囊原虫检出率为10.98%,人群感染率以15～<25岁组最高(13.35%),女性高于男性(分别为14.58%、8.44%),少数民族高于汉族,市郊高于市区(分别为14.16%、8.69%),经统计学处理,差异均有统计学意义(P<0.01)。结论加强初级卫生保健工作,针对不同人群特点开展卫生宣传教育,提高自我保健意识,以预防和控制人芽囊原虫感染的发生。

Objective To investigate the infection status of blastocystis hominis in various populations in Guilin city to provide basis for formulating intervention measures. Methods Self-designed questionnaire and stratified cluster sampling methods were a- dopted to collect the human fresh dejecta from 1603 persons,which were examined under a microscope after being dealt with im proved centrifugal sedimentation with hydrochloric acid and aether. Results The detection rate of the blastoeystis hominis among the people in Guilin was 10.98%; while the infection rate of the people aged 16-25 years was the highest（13.35%）,male was higher than female（14.58% and 8.44% respectively） ,ethnic minorities higher than Han nationality,and suburban higher than ur ban（14.16% and 8.69% respectively）. The differences all had statistical significance（P〈0.01）. Conclusion To strengthen the primary health-care, carry out the health education and improve self health care consciousnesses will be effective to prevent and con- trol the occurrence of human blastocystis hominis infections.