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Diagnostic Value of T-cell interferon-y release assays on Synovial Fluid for Articular Tuberculosis： A Pilot Study

Chinese Medical Journal 2016年第10期129卷 1171-1178页

作者： Xin-He Cheng Sai-Nan Bian yue-Qiu Zhang Li-Fan Zhang Xiao-Chun Shi Bo yang Feng-Chun Zhang Xiao-Qing Liu Department of Infectious Diseases Peking Union Medical College Hospital Chinese Academy of Medical Sciences and Peking Union Medical College Beijing 100730 China Department of Rheumatology and Clinical Immunology Peking Union Medical College Hospital Chinese Academy of Medical Sciences and Peking Union Medical College Beijing 100730 China Department of Orthopaedics Peking Union Medical College Hospital Chinese Academy of Medical Sciences and Peking Union Medical College Beijing 100730 China Clinical Epidemiology Unit Peking Union Medical College International Clinical Epidemiology Network Beijing 100730 China Xin-He Cheng and Sai-Nan Bian contributed equally to this work.

Background： Tuberculosis （TB） remains a major global public health challenge. Articular T/3 is an important form of extrapulmonary tuberculosis, and its diagnosis is difficult because of the low sensitivity of traditional methods. The aim of this study was to analyze the diagnostic value of *** on synovial fluid for the diagnosis of articular TB. Methods： Patients with suspected articular TB were enrolled consecutively between August 2011 and December 2015. *** was performed on both synovial fluid mononuclear cells （SFMCs） and peripheral blood mononuclear cells （PBMCs）. The final diagnosis of articular TB was independent of the *** result. The diagnostic sensitivity, specificity, predictive value, and likelihood ratio of *** on SFMCs and PBMCs were analyzed. Results： Twenty patients with suspected articular TB were enrolled. Six were diagnosed with articular TB, and 14 patients were diagnosed with other diseases. Sensitivity and specificity were 83% and 86% for *** on SFMCs, and 67% and 69% for *** on PBMCs, respectively. The positive predictive value （PPV） and negative predictive value （NPV） of *** on SFMCs were 71% and 92%, respectively. The PPV and NPV were 50% and 82% for *** on PBMCs. Conclusion： Sensitivity, specificity, and NPV of *** on SFMCs appeared higher than that on PBMCs, indicating that T-SPOT. TB on SFMCs might be a rapid and accurate diagnostic test for articular TB.

关键词： Articular Tuberculosis Diagnosis interferon-y release assays T-SPOT.TB Sensitivity Specificity Synovial Fluid

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