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利用包虫病间接血凝试验检查了新疆巴音布鲁克草原牧民923人,抗体滴度≥128者22人,抗体阳性率2.38％。阳性率随年龄增长而升高,35～44岁年龄组最高(5.38％)。对抗体滴度≥64的43人进行体检,以X线胸片和腹部B型超声探查而临床诊断为包虫病者13例,患病率为1.41。抗体滴度≥64者中临床诊断包虫病人占30.23％;≥128者中为57.89％;≥256者中87.50％;≥512者全部诊断为包虫病人。在血清学筛查的13例病人中仅1例有自觉症状。在门诊健康检查中发现的3例病人均自觉症状。无症状病人与有症状病人之比为15:1。认为血清抗体调查结果可以反映人群患病状况。在危险人群中进行大规模血清学筛查,可以发现大量无症状包虫病人。
In the indirect hydatid test of hydatid disease, 923 pastoralists in Bayinbuluk grassland in Xinjiang were investigated. The antibody titer was ≥128, with a positive rate of 2.38%. The positive rate increased with age, the highest in the 35-44 age group (5.38%). Forty-three people with antibody titers> 64 were examined by X-ray and B-mode ultrasonography and 13 cases were diagnosed as echinococcosis at a prevalence of 1.41. Antibody titers ≥64 in clinical diagnosis of hydatid disease accounted for 30.23%; ≥ 128 in 57.89%; ≥ 256 in 87.50%; ≥ 512 were diagnosed as hydatid disease. Only one of the 13 patients serologically screened had symptoms. In the outpatient health examination found that 3 patients were subjective symptoms. The ratio of asymptomatic to symptomatic patients is 15: 1. Serum antibody findings that reflect the prevalence of the crowd. Large-scale serological screening in dangerous populations can reveal a large number of asymptomatic echinococcosis patients.