中国寄生虫学与寄生虫病杂志 ›› 2009, Vol. 27 ›› Issue (6): 10-502.

• 实验研究 • 上一篇    下一篇

疟疾胶体金免疫层析试条在间日疟流行区的诊断评价

汪俊云1,王建军2,石锋1,许娴2,杨玥涛1,高春花1,郑香1,葛军3,汤林华1   

  1. 1中国疾病预防控制中心寄生虫病预防控制所,世界卫生组织疟疾、血吸虫病和丝虫病合作中心,上海 200025;2 安徽省疾病预防控制中心,合肥 230061;3 安徽省蒙城县疾病预防控制中心,蒙城 233500
  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2009-12-30 发布日期:2009-12-30

Field Evaluation of Gold-Immunochromatographic Assay for Diagnosis of Vivax Malaria

WANG Jun-yun1,WANG Jian-jun2,SHI Feng1,XU Xian2,YANG Yue-tao1,GAO Chun-hua1,ZHENG Xiang1,GE Jun3,TANG Lin-hua1   

  1. 1 National Institute of Parasitic Diseases,Chinese Center for Disease Control and Prevention,WHO Collaborating Centre for Malaria,Schistosomiasis and Filariasis,Shanghai 200025,China;2 Anhui Provincial Center for Disease Control and Prevention,Hefei 230061,China;3 Center for Disease Control and Prevention of Mengcheng County,Mengcheng 233500,China
  • Received:1900-01-01 Revised:1900-01-01 Online:2009-12-30 Published:2009-12-30

摘要: 目的 在现场评价疟疾胶体金免疫层析试条 (简称试条) 的诊断性能。 方法 2008年9~10月采集安徽省间日疟流行区蒙城县5个乡镇医院门诊部所有就诊的发热病人血样,用双盲法比较镜检法和试条测试的结果。 结果 共采集发热病人血样292份,镜检法检出疟原虫阳性181份,均为间日疟;试条检出疟原虫阳性163份,亦均为间日疟。两法检测结果一致的血样占92.8%(271/292),其中均为阳性的163份,均为阴性的108份。两法检测结果不一致的21份血样中,镜检阳性的、试条检测阴性的有18份,镜检阴性的、试条检测阳性的有3份。原虫密度在>1 000 个/μl、100~1 000 个/μl和<100 个/μl时,试条检测阳性率分别为93.5%(115/123)、86.0%(43/50)和62.5%(5/8)。 结论 该快速诊断疟疾胶体金免疫层析试条在疟疾流行区对间日疟有一定的诊断价值。

关键词: 胶体金免疫层析试条诊断, 间日疟原虫, 疟疾

Abstract: Objective To evaluate a gold-immunochromatographic assay(GICA) for malaria diagnosis in an endemic area of vivax malaria. Methods Blood samples were collected from febrile patients in 5 township-hospitals of Mengcheng County, Anhui Province, between September and October 2008. The samples were examined by GICA and microscopy under double blind condition and the results were compared. Results Among 292 blood samples, 181 were found P. vivax-positive by microscopy, and 163 were positive by GICA. Altogether, the coincidence of the two methods stood for 92.8%(271/292), including 108 negatives and 163 positives. 21 samples with discrepancy covered 18 microscopy positive but GICA negative, 3 microscopy negative but GICA positive. The GICA positive rate in patients with a parasitaemia of >1 000 parasites/μl,100-1 000 parasites/μl,and <100 parasites/μl was 93.5%(115/123)、86.0%(43/50), and 62.5%(5/8), respectively. Conclusion GICA is a useful diagnosis method for endemic area of vivax malaria.

Key words: Gold immunochromatographic assay, Diagnosis, Plasmodium vivax, Malaria