高东花+陈栋军

[摘要] 目的 探讨酶联免疫斑点法(ELISPOT)在涂阴肺结核患者中的诊断价值。 方法 将2016年5月~2017年3月期间我院收治的346例肺结核患者,其中A组涂阴肺结核患者(180例)、B组为非涂阴肺结核患者(166例),两组均采用ELISPOT检测肺泡灌洗液、外周血液中分泌的结核抗原特异性干扰素的T淋巴细胞水平,之后绘制出两组患者的工作特征曲线(ROC),并计算出曲线下的面积;将A组肺泡灌洗液做结核分枝杆菌核酸扩增荧光检测、涂片抗酸染色、培养分枝杆菌,比较诊断价值与阳性率。 结果 A组、B组患者的血液ELISPOT检测的特异性分别为84.44%(152/180)与90.96%(151/166);肺泡灌洗液ELISPOT检测的特异性分别为92.78%(167/180)与94.58%(157/166)(P>0.05);A组、B组患者的肺泡灌洗液ELISPOT检测的ROC曲线下面积分别为0.938与0.869,差异有统计学意义(P<0.05);涂阴肺结核的肺泡灌洗液ELISPOT 检测的阳性率为91.67%(165/180),而结核分枝杆菌核酸扩增荧光检测、涂片抗酸染色、培养分枝杆菌的阳性率分别为34.44%(62/180)、15.56%(28/180)、31.67%(57/180)(P<0.05)。 结论 在涂阴肺结核患者的临床诊断中,应用ELISPOT检测肺泡灌洗液中分泌的结核抗原特异性干扰素的T淋巴细胞水平,检测效率高、敏感性与特异性强,可作为涂阴肺结核的诊断方法予以推广。
[关键词] 涂阴肺结核;酶联免疫斑点法;肺泡灌洗液;诊断价值
[中图分类号] R521 [文献标识码] A [文章编号] 2095-0616(2017)13-104-03
[Abstract] Objective To discuss the value of ELISPOT in Diagnosis of Smear negative pulmonary tuberculosis. Methods 346 cases with TB from May 1 2016 to March 2017 year in our hospital were selected as objects.The group A was smear negative pulmonary tuberculosis patients (180 cases),and the group B was non smear negative pulmonary tuberculosis patients (166 cases).Bronchoalveolar lavage fluid and peripheral blood IFN-y T levels of two groups were detected by ELISPOT.The curve of the two groups (ROC) was drew,and AUC was calculated.Mycobacterium tuberculosis nucleic acid amplification fluorescence detection,Smear fast stain,and mycobacteria culture in bronchoalveolar lavage fluid of group A were done.Diagnostic value and positive rate were compared. Results Specificities of ELISPOT for blood in group A and group B were 84.44%(152/180)and 90.96%(151/166);Specificities of ELISPOT for bronchoalveolar lavage fluid in group A and group B were 92.78%(167/180)and 94.58%(157/166)(P>0.05).AUC of ELISPOT for bronchoalveolar lavage fluid in group A and group B were 0.938與0.869 (P<0.05);The positive rate of ELISPOT for bronchoalveolar lavage fluid in smear negative pulmonary tuberculosis was 91.67%(165/180),and the positive rate of Mycobacterium tuberculosis nucleic acid amplification fluorescence detection,Smear fast stain,and mycobacteria culture were 34.44%(62/180),15.56%(28/180),31.67%(57/180)(P<0.05). Conclusion In the clinical diagnosis of smear negative pulmonary tuberculosis patients,application of ELISPOT detection of IFN-y T levels in bronchoalveolar lavage fluid is of high detection efficiency,and high sensitivity and specificity,which can be used as a method for diagnosis of smear negative pulmonary tuberculosis to be promoted.
[Key words] Smear negative pulmonary tuberculosis;Enzyme-linked immunosorbent assay;Bronchoalveolar lavage fluid;Diagnostic value
我院应用该技术来检测肺泡灌洗液中分泌的结核抗原特异性干扰素的T淋巴细胞水平,并与其它检测方法进行了比较,旨在探讨ELISPOT在涂阴肺结核患者中的诊断价值,现报道如下。
1 资料与方法
1.1 一般资料
本研究对象为2016年5月1日~2017年3月18日期间我院收治的346例肺结核患者,所有患者均无肺结核病史、且均为人获得性免疫缺陷病毒抗体检测为阴性,符合电子支气管镜检查指征,对本研究知晓并自愿参与。A组180例,均为涂阴肺结核患者,符合中华医学会结核病学分会制定的肺结核诊断与治疗指南中的相关标准[1]。其中男86例、女94例;年龄19~72岁,平均(44.9±3.6)岁;1……