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目的了解深圳市2008年“三热”病人疟疾血检状况,分析其监测的效果。方法对医院监测点临床诊断为疟疾、疑似疟疾或不明原因发热的“三热”病人采血作疟原虫检查;收集2008年疟疾血检监测数据,以描述流行病学的方法分析其特点;对各镜检点阴性和阳性的血膜片进行抽检,计算血膜片的合格率及复核符合率。结果全市共血检9 788人次,发现阳性病例39例,血检阳性率为0.40%,其中间日疟28例,恶性疟11例,血检阳性病例占总报告病例数的82.98%(39/47)。血检阳性病例以输入性为主,占总阳性病例数的74.4%(29/39),其中恶性疟病例均为本市前往非洲、东南亚等疟疾高发地区从事商务的归国人员;病例的地区分布按发病数由高到低依次为罗湖18例、宝安11例、龙岗5例、南山3例和福田区2例,盐田区无阳性病例;病例时间分布呈现6、7、8月和11、12、1月的2个高发期。抽查6个区15个镜检点514张血片,血片制作和染色的平均合格率分别为86.19%和89.88%,对其中的213张阴性片及12张阳性片进行复检,符合率为100%。结论“三热”病人血检监测是及时发现传染源的重要手段,须进一步巩固和加强;疟疾病例分布特征的阐明为我市科学防治疟疾提供了决策依据。
Objective To understand the status of malaria blood tests in Shenzhen in 2008 and “Three hots” and analyze its monitoring results. Methods Blood samples were collected from malaria patients, suspected malaria patients or unexplained fever patients for malaria parasite examination. Data collected from 2008 malaria blood tests were collected and characterized by descriptive epidemiological methods. Negative and positive on each mirror point of the blood film sampling, blood film calculated the pass rate and review coincidence rate. Results A total of 9 788 blood tests were carried out in the city, of which 39 were positive and the positive rate was 0.40%. There were 28 malaria cases, 11 falciparum malaria cases and 82.98% of the total reported cases (39 / 47). The positive cases of blood tests were mainly imported, accounting for 74.4% (29/39) of the total positive cases, of which the cases of falciparum malaria were returned from the city to malaria-endemic areas such as Africa and Southeast Asia; the area of cases Distribution according to the morbidity from high to low were Lo Wu 18 cases, Baoan 11 cases, Longgang 5 cases, Nanshan 3 cases and Futian District 2 cases, Yantian District without positive cases; the distribution of time showed 6, 7, August and 11, 12, January 2 high incidence period. A total of 514 spots of blood samples were obtained from 15 microscopic examination sites in 6 districts. The average passing rate of blood film making and dyeing was 86.19% and 89.88% respectively. The 213 negatives and 12 positives were reexamined, and the coincidence rate was 100%. Conclusion The blood test of “three hots” patients is an important means to detect the source of infection in time, which needs to be further consolidated and strengthened. The elucidation of the distribution characteristics of malaria cases provides the scientific basis for scientific prevention and control of malaria in our city.