目的比较荷兰Patho Finder公司多重荧光定量PCR技术(Respi Finder 2SMART试剂盒,简称Respi Finder检测)和加拿大Luminex公司液态芯片技术(呼吸道病毒检测试剂盒,简称x TAG RVP)对下呼吸道标本病毒检测的结果。方法收集2015年1至12月于...目的比较荷兰Patho Finder公司多重荧光定量PCR技术(Respi Finder 2SMART试剂盒,简称Respi Finder检测)和加拿大Luminex公司液态芯片技术(呼吸道病毒检测试剂盒,简称x TAG RVP)对下呼吸道标本病毒检测的结果。方法收集2015年1至12月于北京协和医院疑似病毒性肺炎住院患者100例下呼吸道标本,分别利用Respi Finder和x TAG RVP检测试剂进行常见呼吸道病毒核酸检测,并全部进行PCR及测序分析,比较两种方法的敏感性和特异性。结果 100份下呼吸道标本经Respi Finder和x TAG RVP方法检测,阳性率分别为60.0%和51.0%,混合感染率均为8.0%。两种方法结果一致率为80.0%。以PCR及测序结果为准,经Respi Finder和x TAG RVP方法检测的敏感性分别为97.9%和94.3%,特异性分别为74.5%和97.9%,阳性预测值分别为78.3%和98.0%,阴性预测值分别为95.0%和93.9%,两法检测特异性及阳性预测值差异有统计学意义(P<0.05)。结论与Respi Finder方法相比,x TAG RVP对常见呼吸道病毒检测的特异性较好,敏感性相当,对呼吸道病毒的检测性能优于Respi Finder检测。展开更多
Background Acute respiratory infection （ARI） is one of the most common infectious diseases in infants and young children globally.This study aimed to determine the virus profile in children with ARI presenting with ...Background Acute respiratory infection （ARI） is one of the most common infectious diseases in infants and young children globally.This study aimed to determine the virus profile in children with ARI presenting with different severities.Methods Clinical specimens collected from children with ARI in Beijing from September 2010 to March 2011 were investigated for 18 respiratory viruses using an xTAG Respiratory Viral Panel Fast （RVP Fast） assay.The Pearson chisquare analysis was used to identify statistical significance.Results Of 270 cases from three groups of ARI patients,including Out-patients,In-patients and patients in the intensive care unit （ICU）,viruses were detected in 176 （65.2％） specimens with the RVP Fast assay.The viral detection rate from the Out-patients group （50.0％） was significantly lower than that from the In-patients （71.1％） and ICU-patients （74.4％） groups.The virus distribution was different between the Out-patients group and the other hospitalized groups,while the virus detection rate and distribution characteristics were similar between the In-patients and ICU-patients groups.The coinfection rates of the Out-patients group,the In-patients group,and the ICU-patients group were 15.6％,50.0％ and 35.8％,respectively.In addition to respiratory syncytial virus （RSV） and adenovirus （ADV）,human rhinovirus （HRV） was frequently detected from children with serious illnesses,followed by human metapneumovirus （hMPV）,human bocavirus （HBoV） and coronaviruses.Parainfluenza virus 3 （PIV3） was detected in children with lower respiratory illness,but rarely from those with serious illnesses in the ICU-patient group.Conclusion In addition to so-called common respiratory viruses,virus detection in children with ARI should include those thoucht to be uncommon respiratory viruses,especially when there are severe ARI-related clinical illnesses.展开更多
文摘目的比较荷兰Patho Finder公司多重荧光定量PCR技术(Respi Finder 2SMART试剂盒,简称Respi Finder检测)和加拿大Luminex公司液态芯片技术(呼吸道病毒检测试剂盒,简称x TAG RVP)对下呼吸道标本病毒检测的结果。方法收集2015年1至12月于北京协和医院疑似病毒性肺炎住院患者100例下呼吸道标本,分别利用Respi Finder和x TAG RVP检测试剂进行常见呼吸道病毒核酸检测,并全部进行PCR及测序分析,比较两种方法的敏感性和特异性。结果 100份下呼吸道标本经Respi Finder和x TAG RVP方法检测,阳性率分别为60.0%和51.0%,混合感染率均为8.0%。两种方法结果一致率为80.0%。以PCR及测序结果为准,经Respi Finder和x TAG RVP方法检测的敏感性分别为97.9%和94.3%,特异性分别为74.5%和97.9%,阳性预测值分别为78.3%和98.0%,阴性预测值分别为95.0%和93.9%,两法检测特异性及阳性预测值差异有统计学意义(P<0.05)。结论与Respi Finder方法相比,x TAG RVP对常见呼吸道病毒检测的特异性较好,敏感性相当,对呼吸道病毒的检测性能优于Respi Finder检测。
基金This work was supported by grants from the National Natural Science Foundation of China （No. 30872153） and the Beijing Municipal Science ＆ Technology Commission （No. Z 111107056811041）.Acknowledgments： The authors of this paper would like to thank all doctors and nurses in the Affiliated Children＇s Hospital to Capital Institute of Pediatrics for collecting specimens from patients and information from their parents.
文摘Background Acute respiratory infection （ARI） is one of the most common infectious diseases in infants and young children globally.This study aimed to determine the virus profile in children with ARI presenting with different severities.Methods Clinical specimens collected from children with ARI in Beijing from September 2010 to March 2011 were investigated for 18 respiratory viruses using an xTAG Respiratory Viral Panel Fast （RVP Fast） assay.The Pearson chisquare analysis was used to identify statistical significance.Results Of 270 cases from three groups of ARI patients,including Out-patients,In-patients and patients in the intensive care unit （ICU）,viruses were detected in 176 （65.2％） specimens with the RVP Fast assay.The viral detection rate from the Out-patients group （50.0％） was significantly lower than that from the In-patients （71.1％） and ICU-patients （74.4％） groups.The virus distribution was different between the Out-patients group and the other hospitalized groups,while the virus detection rate and distribution characteristics were similar between the In-patients and ICU-patients groups.The coinfection rates of the Out-patients group,the In-patients group,and the ICU-patients group were 15.6％,50.0％ and 35.8％,respectively.In addition to respiratory syncytial virus （RSV） and adenovirus （ADV）,human rhinovirus （HRV） was frequently detected from children with serious illnesses,followed by human metapneumovirus （hMPV）,human bocavirus （HBoV） and coronaviruses.Parainfluenza virus 3 （PIV3） was detected in children with lower respiratory illness,but rarely from those with serious illnesses in the ICU-patient group.Conclusion In addition to so-called common respiratory viruses,virus detection in children with ARI should include those thoucht to be uncommon respiratory viruses,especially when there are severe ARI-related clinical illnesses.
