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目的阐述Kato-Katz法在云南山区作为血吸虫病常规病原学诊断方法的意义。方法在巍山县高原峡谷型血吸虫病重度流行区,同时采用Kato-Katz法和尼龙绢集卵孵化法对同一群体居民进行病原学查病,对两法进行比较。结果接受调查的3个自然村居民粪检阳性率为37.57%,其中Kato-Katz法阳性率为24.06%,尼龙绢集卵孵化法阳性率为32.41%,前者明显低于后者,两法间差异有统计学意义(P<0.01)。结论在云南山区现场开展常规病原学查病,宜首选尼龙绢集卵孵化法,而不是Kato-Katz法。
Objective To describe the significance of Kato-Katz method in routine diagnosis of schistosomiasis in Yunnan mountainous area. Methods In the endemic epidemic area of schistosomiasis schistosomiasis in Weishan County, the same population of Kato-Katz method and nylon silk hatching method were used to carry out pathological examination and compared the two methods. Results The positive rate of fecal examination was 37.57% in the three villages surveyed. Among them, the positive rate of Kato-Katz method was 24.06%, the positive rate of nylon silk hatching method was 32.41%, the former was significantly lower than the latter, and the difference between the two methods There was statistical significance (P <0.01). Conclusion In the mountainous area of Yunnan, routine pathogen detection is preferred, but nylon-hatched egg hatching method is the best choice rather than Kato-Katz method.