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J Med Virol. 2014 Nov;86(11):1821-7. doi: 10.1002/jmv.24027. Epub 2014 Aug 2.

Clinical relevance of the plasma load of cytomegalovirus in patients infected with HIV--a survival analysis.

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University of Medicine and Pharmacy 'Carol Davila', Bucharest, Romania; Prof. Dr. Matei Balş National Institute of Infectious Diseases, Bucharest, Romania.


To investigate whether asymptomatic cytomegalovirus (CMV) viraemia impact the course of human immunodeficiency virus (HIV) infection, this study evaluated the effect of CMV replication on progression of newly-diagnosed HIV infected individuals towards AIDS events and death. In a 3-year prospective study on co-infected patients, clinical, immunological, and virological tests were performed in a national reference hospital quarterly. CMV viraemia was quantified by RoboGene® HCMV DNA Quantification Kit (Analytik Jena, Germany), on ABI Prism® 7000 Sequence Detection System (Applied Biosystems, USA). One hundred and five patients were enrolled with a balanced sex distribution and a median age of 30.7 years. Median CD4(+) cell count at enrollment was 164/mm(3) and median HIV RNA 4.6 log10 copies/ml. Detectable CMV viraemia was found in 25.7% of the patients. Kaplan-Meier analysis showed progression of HIV infection to be significantly increased in those with active CMV replication and/or low CD4(+) cell count. Cox regression indicated the risk of developing new AIDS events was 2.6 times greater in patients with detectable CMV viraemia versus those without (CI95% 1-6.6; P = 0.04). Also in multivariate analysis, the overall risk of progression to AIDS events or death was 3-fold higher in those with detectable CMV viraemia (CI95% 1.3-6.7; P = 0.008) and 2.3-fold higher if CD4(+) cell count was below 100/mm(3) (CI95% 1-5.1; P = 0.04). In these young Romanian HIV-seropositives, active CMV replication increased morbidity, even when treated with combination antiretroviral therapy. Further studies are needed to evaluate if serial quantitative CMV-DNA levels might correlate with non-infectious inflammation-related risks in patients with HIV and active CMV infection.


AIDS events; CMV viraemia; co-infection with HIV and CMV

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