Abstract
The aim of this study is to evaluate the prevalence of BK virus (BKV) infection in HIV-positive patients receiving highly active antiretroviral therapy (HAART) in our hospital. The presence of BKV was analysed in urine and plasma samples from 78 non-selected HIV-infected patients. Clinical data were recorded using a pre-established protocol. We used a nested PCR to amplify a specific region of the BKV T-large antigen. Positive samples were quantified using real-time PCR. Mean CD4 count in HIV-infected patients was 472 cells/mm3 and median HIV viral load was <50 copies/mL. BKV viraemia was detected in only 1 HIV-positive patient, but 57.7% (45 out of 78) had BKV viruria, which was more common in patients with CD4 counts >500 cells/mm3 (74.3% vs 25.7%; p = 0.007). Viruria was present in 21.7% of healthy controls (5 out of 23 samples, p = 0.02). All viral loads were low (<100 copies/mL), and we could not find any association between BKV infection and renal or neurological manifestations. We provide an update on the prevalence of BKV in HIV-infected patients treated with HAART. BKV viruria was more common in HIV-infected patients; however, no role for BKV has been demonstrated in this population.
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Acknowledgements
This study was funded by Fondo de Investigaciones Sanitarias (PI0690636), ISCIII, Ministerio de Sanidad y Consumo (Spanish Ministry of Health), Fundación de la Investigación Médica Mutua Madrileña, and CIBER de Enfermedades Respiratorias (CIBERES).
We would like to thank our patients for their co-operation and Dr Y. L. Kwong, University Hospital Hong Kong, for providing the plasmid standard pB-VP1.
The members of the BKV Study Group are F. Anaya, R. Bañares, E. Bouza, J.L. Diez, D. García de Viedma, A. Fernandez Cruz, M. Fernandez-Rengel, J. Ledesma, B. Loeches, A. Luque, P. Muñoz, B. Padilla, J. Palomo, A. Peña, M. Pérez, D. Rincón, M. Salcedo, M. Sánchez Somolinos, D. Serrano, M.L. Rodríguez, B. Rodríguez-Sánchez, E. Verde and J.F. Yañez
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Ledesma, J., Muñoz, P., Garcia de Viedma, D. et al. BK virus infection in human immunodeficiency virus-infected patients. Eur J Clin Microbiol Infect Dis 31, 1531–1535 (2012). https://doi.org/10.1007/s10096-011-1474-9
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DOI: https://doi.org/10.1007/s10096-011-1474-9