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目的掌握赴疟疾流行区务工回国人员疟疾感染情况,制定科学的防治对策。方法对赴疟疾流行区务工回国人员填写输入性疟疾病例个案调查表,并采集耳垂血分别涂制血涂片镜检和制作滤纸血做PCR检测。结果238名赴非洲务工回国人员中38人被诊断为疟疾病例,以恶性疟为主,占65.79%,未分型占34.21%。94.74%的病例病前在非洲安哥拉务工,78.95%的病例在非洲务工期间因发热被诊断为疟疾,人均发病3.2次。赴非洲务工回国人员在国外务工期间疟疾患病率为63.86%。血涂片镜检阳性率为23.56%,滤纸血PCR检测阳性率为11.72%。81.93%的赴外务工人员回国后进行了一个疗程的疟疾补充性治疗。结论本文研究结果表明赴非洲疟疾流行区务工回国人员疟疾感染率高。血涂片镜检阳性者要及早规范治疗。应加强疟疾监测,强化医务人员及时发现和有效处理疟疾的技能培训,普及疟疾防治知识。
Objective To understand the malaria infection among migrant workers who return to malaria-endemic areas and formulate scientific prevention and control measures. Methods The cases of malaria cases were entered into the males returning from migrant workers in the endemic areas of malaria. The blood samples of the earlobe were smear-coated, and the filter paper was made for PCR detection. Results 38 out of 238 workers returning to Africa were diagnosed as malaria cases, mainly falciparum malaria, accounting for 65.79% and non-sub-type accounting for 34.21%. 94.74% of the cases were working in Angola in Africa prior to their illness, 78.95% of the cases were diagnosed as malaria due to fever during their work in Africa, and the incidence per capita was 3.2. The malaria prevalence rate among overseas workers returning to Africa during their overseas work was 63.86%. Blood smear microscopy positive rate was 23.56%, filter paper blood PCR test positive rate was 11.72%. 81.93% of the migrant workers went abroad to take a course of complementary malaria treatment. Conclusion The results of this study show that malaria infection rates are high among returning workers from malaria-endemic areas in Africa. Blood smear microscopy should be standardized treatment as soon as possible. Malaria monitoring should be strengthened, skills training of medical personnel in timely detection and effective treatment of malaria should be strengthened, and malaria prevention and control information should be popularized.