Prediction of brain atrophy using three drug scores in neuroasymptomatic HIV-infected patients with controlled viremia
ABSTRACTBACKGROUND: Despite potent antiretroviral therapy, HIV still causes brain damage. Better penetration into the CNS and efficient elimination of monocyte/macrophages reservoirs are two main characteristics of an antiretroviral drug that could prevent brain damage. The aim of our study was to assess efficacy of three antiretroviral drug scores to predict brain atrophy in HIV-infected patients.METHODS:A cross sectional study consisting of 56 HIV-infected patients with controlled viremia, who had no clinically evident neurocognitive impairment. All patients had MRI of the head. A typical T2 transversal slice was analyzed and ventricles-brain ratio (VBr) as an overall brain atrophy index was calculated. Three antiretroviral drug scores were used and correlated with VBr: 2008 and 2010 CNS penetration effectiveness scores (SCPE2008 and SCPE2010) and the recently established monocyte efficacy (SME) score. A p-value <0.05 was considered significant.RESULTS:SCPE2010 was significantly associated with VBr in both univariate (r = -0.285, p = 0.033) and multivariate (ß = -0.299, p = 0.016) regression models, while SCPE2008 was not (r = -0.141, p = 0.300 and ß = -0.156,p = 0.214). SME was associated with VBr in multivariate model only (r = -0.297, p = 0.111 andß = -0.406, p = 0.029). Age and reported duration of HIV infection were also significant predictors of overall brain atrophy in multivariate regression models.CONCLUSIONS:Although based on similar type of research, SCPE2010 is a superior drug score compared to SCPE2008. SME is an efficient drug score in determining brain damage. Both SCPE2010 and SME scores should be taken into account in preventive strategies of brain atrophy and neurocognitive impairment in HIV-infected patients.
Main Authors: | Novakovic,Marko, Turkulov,Vesna, Maric,Daniela, Kozic,Dusko, Rajkovic,Uros, Bjelan,Mladen, Lucic,Milos, Brkic,Snezana |
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Format: | Digital revista |
Language: | English |
Published: |
Brazilian Society of Infectious Diseases
2015
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Online Access: | http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1413-86702015000500503 |
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