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Arq. bras. endocrinol. metab ; 51(1): 42-51, fev. 2007. tab
Article in Portuguese | LILACS | ID: lil-448362

ABSTRACT

Os objetivos foram avaliar dados antropométricos e perfis lipídico e glicêmico de pacientes infectados pelo HIV usuários e não usuários de anti-retrovirais (ARV), e verificar a associação entre ARV e alterações da gordura corporal, distúrbios lipídicos e da homeostase da glicose. Foram incluídos 176 pacientes (133 usuários e 43 não usuários de ARV). Os pacientes foram submetidos a avaliação clínica, exames laboratoriais, ultrassonografia, biompedanciometria e medida de pregas cutâneas. Pacientes usuários de ARV apresentaram maior relação cintura/quadril (p= 0,0002), maior espessura da gordura intra-abdominal medida pela ultrassonografia (p= 0,003) e menores pregas de gordura bicipital (p= 0,01) e tricipital (p= 0,0002). Estes pacientes tiveram níveis mais elevados de triglicérides (p= 0,0002), colesterol total (p= 0,00007) e colesterol HDL (p= 0,009). Eles também apresentaram maiores níveis de glicose aos 60 (p= 0,01) e 120 minutos (p= 0,001) após dextrosol, maiores níveis de insulina de jejum (p= 0,03) e maiores valores do índice HOMA (p= 0,02). As drogas anti-retrovirais estão associadas a acúmulo central e perda periférica de gordura. Além disso, estas drogas estão associadas a alterações lipídicas e a aumento da resistência insulínica, conhecidos fatores de risco cardiovascular.


The aims of this study were to describe anthropometric data and glycemic and lipidic profiles of HIV-infected patients treated or not with antiretrovirals (ARV) drugs, and to assess association between these drugs and body composition changes, lipid and glucose homeostasis disturbances. There were 176 patients included (133 ARV-treated patients and 43 ARV-naïve). The patients were submitted to clinical evaluation, laboratorial analysis, ultrasonographic measurements, bioelectrical impedance analysis and skin folds thickness measurements. The ARV-treated group showed higher waist-to-hip ratio (p= 0.0002), higher intra-abdominal fat thickness measured by ultrasonography (p= 0.003) and lower bicipital (p= 0.01) and tricipital (p= 0.0002) skin folds. This group also showed higher triglyceride (p= 0.0002), total cholesterol (p= 0.00007), HDL cholesterol (p= 0.009), glucose measurements one hour (p= 0.01) and two hours (p= 0.001) after dextrose load, higher levels of fasting insulin (p= 0.03) and higher HOMAR index (p= 0.02). The antiretroviral drugs are associated with increased visceral fat and decreased peripheral fat pads. Beside that, these drugs are associated with atherogenic lipid profile and insulin resistance, two independent risk predictors of cardiovascular disease.


Subject(s)
Adult , Female , Humans , Male , Middle Aged , Anti-HIV Agents/adverse effects , Antiretroviral Therapy, Highly Active/adverse effects , Body Fat Distribution , Blood Glucose/drug effects , HIV Infections/metabolism , Lipid Metabolism/drug effects , Body Mass Index , Cross-Sectional Studies , HIV Infections/drug therapy , HIV-Associated Lipodystrophy Syndrome/chemically induced , HIV-Associated Lipodystrophy Syndrome/metabolism , Intra-Abdominal Fat/drug effects , Metabolic Syndrome/chemically induced , Metabolic Syndrome/metabolism , Statistics, Nonparametric , Subcutaneous Fat, Abdominal/drug effects
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