【摘 要】
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Objective:To assess the usefulness ofIGRA test(QuantiFERON?-Cell mediated immune) compared with the tuberculin skin test.Methods:A cross-sectional study was car
【机 构】
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Unidad de Investigacion en Inmunología e Infectología，Centro Médico Nacional La Raza CMNR，Instituto
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Objective:To assess the usefulness ofIGRA test(QuantiFERON?-Cell mediated immune) compared with the tuberculin skin test.Methods:A cross-sectional study was carried out in Mexico,25 infected patients withHIV-AIDS and the suspicion or with latent tuberculous infection (LTBI) who were >18 years of age and without treatment for tuberculosis(TB), were enrolled in the study.Results:Median cluster of differentiation(CD4) count was364 cells/μL and median HIV viral load was50 copies/mL.Overall,20 patients(80%) had at least one positive diagnostic test forLTBI: four(16%) had a positive tuberculin skin test and19(76%), a positiveQuantiFERON?-tuberculosis.Conclusions:No agreement is found between the two diagnostic tests:k = -0.004,95% confidence interval(-0.2219,0.2210).Additional longitudinal studies amongHIV-infected populations with high prevalence ofTB are needed to further assess the usefulness of IGRAs in this patient population.
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