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Revista chilena de infectología

Print version ISSN 0716-1018


CEBALLOS, M. Elena et al. Virological and immunological outcomes to antiretroviral therapy in HIV-infected patients of an academic medical center in Chile. Rev. chil. infectol. [online]. 2016, vol.33, n.5, pp.531-536. ISSN 0716-1018.

Introduction: Red Salud UC is an Academic health network where HIV-infected patients from the public and private health system are followed by a multidisplinary team. Aim: To determine virologic and immunologic response after 144 weeks of starting first antiretroviral therapy in these patients. Methods: A retrospective analysis of adult HIV patients attended between 1992 and 2011 was performed. Demographic and clinical characteristics, antiretroviral therapies data and immunologic and virologic outcomes were collected. CD4 count and HIV viral load changes up to 144 weeks after initiation of antiretroviral therapy were analyzed. Results: 860 patients were included in the analyses. Median age was 42 years, 93% were men. Median CD4+ count at baseline was 202 cells/mm3. The most used ART regimen was zidovudine/lamivudine plus efavirenz. First line anti-retroviral therapy was changed in 42% patients, being the most common cause, drug toxicity. At week 144, median CD4+ lymphocyte cell count was 449 cells/mm3. Ninety percent and 96% had undetectable viral load measured as < 50 copies/mL or < 400 copies/mL respectively. Discussion: First report of a university cohort, with CD4 and viral load follow up for 144 weeks, including Chilean patients from public and private system. After initiation of ART, an excellent immunologic and virologic response was observed in this cohort.

Keywords : HIV; Antiretroviral therapy; Outcome; Academic Health Network.

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