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Comparison of virological and serological methods for laboratory confirmation of rubella.
Journal of Clinical Virology ( IF 4.0 ) Pub Date : 2019-12-31 , DOI: 10.1016/j.jcv.2019.104257
Kiyoko Uchino 1 , Tatsuya Miyoshi 1 , Yoshio Mori 2 , Katsuhiro Komase 3 , Fumika Okayama 1 , Yuri Shibata 1 , Hisayoshi Yoshida 1 , Tomizo Numata 1 , Makoto Takeda 2 , Tomoyuki Tanaka 1
Affiliation  

BACKGROUND Work toward rubella elimination has accelerated globally. A reliable laboratory confirmation of rubella-suspected cases is required for effective surveillance in the rubella-elimination phase. The use of adequate specimens is a key to improving the quality of this surveillance. STUDY DESIGN We conducted rubella virus (RUBV) isolation and RUBV genome or anti-RUBV IgM detection on 1023 specimens from 372 rubella- or measles-suspected cases collected through the national surveillance program in Sakai city of Osaka prefecture, Japan between 2011 and 2013. The resulting data were analyzed by specimen type, collection date, and immunological status. RESULTS Among the three specimen types (throat swab, serum or plasma, and urine) collected through 10 days post-rash onset, the highest success rates for RUBV genome detection and RUBV isolation were obtained using throat swabs. In agreement with previous work, RUBV-specific IgM were undetectable in 50% of the rubella-confirmed cases until 3 days after rash onset. The success rates of RUBV genome detection and RUBV isolation declined in association with the appearance of RUBV-specific antibodies in blood, especially in serum, plasma, or urine samples. CONCLUSION Throat swabs are the most optimal specimen types for both RUBV genome detection and RUBV isolation; serum/plasma samples may be suboptimal, especially for RUBV isolation. The findings from this study will provide useful information for improving laboratory surveillance for rubella in the elimination phase.

中文翻译:

用于实验室确诊风疹的病毒学和血清学方法的比较。

背景技术消除风疹的工作在全球范围内已经加速。为了在消除风疹的阶段进行有效监控,需要对风疹可疑病例进行可靠的实验室确认。使用足够的标本是提高监视质量的关键。研究设计我们在2011年至2013年期间,通过日本大阪府市监测计划收集的372例风疹或麻疹可疑病例中的1023个标本进行了风疹病毒(RUBV)分离和RUBV基因组或抗RUBV IgM检测。通过标本类型,收集日期和免疫状况分析所得数据。结果在皮疹发作后10天收集的三种标本类型(咽拭子,血清或血浆和尿液)中,使用咽拭子可获得RUBV基因组检测和RUBV分离最高的成功率。与先前的研究一致,直到皮疹发作后3天,在50%的风疹确诊病例中都未检测到RUBV特异性IgM。RUBV基因组检测和RUBV分离的成功率随着血液中RUBV特异性抗体的出现而下降,特别是在血清,血浆或尿液样本中。结论咽拭子是用于RUBV基因组检测和RUBV分离的最佳标本类型。血清/血浆样品可能不理想,尤其是对于RUBV分离。这项研究的结果将为在消除阶段改善风疹的实验室监测提供有用的信息。直到皮疹发作后3天,在50%的风疹确诊病例中都未检测到RUBV特异性IgM。RUBV基因组检测和RUBV分离的成功率随着血液中RUBV特异性抗体的出现而下降,特别是在血清,血浆或尿液样本中。结论咽拭子是用于RUBV基因组检测和RUBV分离的最佳标本类型。血清/血浆样品可能不理想,特别是对于RUBV分离。这项研究的结果将为在消除阶段改善风疹的实验室监测提供有用的信息。直到皮疹发作后3天,在50%的风疹确诊病例中都未检测到RUBV特异性IgM。RUBV基因组检测和RUBV分离的成功率随着血液中RUBV特异性抗体的出现而下降,特别是在血清,血浆或尿液样本中。结论咽拭子是用于RUBV基因组检测和RUBV分离的最佳标本类型。血清/血浆样品可能不理想,特别是对于RUBV分离。这项研究的结果将为在消除阶段改善风疹的实验室监测提供有用的信息。或尿液样本。结论咽拭子是用于RUBV基因组检测和RUBV分离的最佳标本类型。血清/血浆样品可能不理想,尤其是对于RUBV分离。这项研究的结果将为在消除阶段改善风疹的实验室监测提供有用的信息。或尿液样本。结论咽拭子是用于RUBV基因组检测和RUBV分离的最佳标本类型。血清/血浆样品可能不理想,尤其是对于RUBV分离。这项研究的结果将为在消除阶段改善风疹的实验室监测提供有用的信息。
更新日期:2019-12-31
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