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我们于1989年6～9月,对宿县和滁县两地面粉厂共289名职工进行了痰液螨类的检查。发现痰螨阳性者74人,检出率为25.60％;其中发现成螨者为23.18％,也有发现螨皮、幼螨、螨足及休眠体等;2例发现有昆虫幼虫;在痰检中还见有植物纤维、(?)毛细胞和非纤毛细胞等。74例螨感染者中具有呼吸道症状、特异性免疫反应阳性者41例,确诊为肺螨病,发病率14.19％。凡痰螨阳性者均投予甲硝达唑治疗,治疗量1.2g,分3次口服,共服两个疗程,疗程间隔7～10天。对其中14例进行了治疗前后的效果观察,治疗前摄X胸片,均见有不同程度的纹理增多、增粗、紊乱、模糊,尤以肺下叶显著:肺下野均可见有大小不等的斑点和斑片状阴影增高。经甲硝达唑两个疗程治疗后,7例症状消失,5例症状改善显著、X线胸片明显吸收,2例症状有改善、但X线胸片吸
From June to September 1989, we conducted a survey of 289 workers of sputum mites on a total of 289 flour mills in Suxian County and Chu County. Found sputum mites were 74 positive, the detection rate was 25.60%; found in which mites were 23.18%, but also found mite, young mites, mites foot and dormant body; found in 2 cases of insect larvae; sputum examination See also plant fiber, (?) Hair cells and non-ciliated cells. Among the 74 cases of mites infected with respiratory symptoms, 41 cases were diagnosed as pulmonary mite disease with a positive rate of 14.19%. Where sputum mites positive were given metronidazole treatment, the amount of 1.2g, 3 times orally, a total of two courses, treatment interval of 7 to 10 days. 14 of them were observed before and after treatment effect, the treatment of antegrade X-ray, were seen in varying degrees of texture increase, thickening, disorder, blurred, especially in the lower lobe significant: the lungs are visible in different sizes The spots and patchy shadows increase. After metronidazole two courses of treatment, seven cases disappeared, five cases improved significantly, X-ray was significantly absorbed, two cases of symptoms improved, but the X-ray absorption