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The metabolic and cardiovascular consequences of obesity in persons with HIV on long-term antiretroviral therapy.

ABSTRACT: This study assessed the effect of obesity on metabolic and cardiovascular disease risk factors in HIV-infected adults on antiretroviral therapy with sustained virologic suppression.Observational, comparative cohort study with three group-matched arms: 35 nonobese and 35 obese HIV-infected persons on efavirenz, tenofovir and emtricitabine with plasma HIV-1 RNA ?less than ?50? copies/ml for more than 2 years, and 30 obese HIV-uninfected controls. Patients did not have diabetes or known cardiovascular disease.We compared glucose tolerance, serum lipids, brachial artery flow-mediated dilation, carotid intima-media thickness, and soluble inflammatory and vascular adhesion markers between nonobese and obese HIV-infected patients, and between obese HIV-infected and HIV-uninfected patients, using Wilcoxon rank-sum tests and multivariate linear regression.The cohort was 52% men and 48% nonwhite. Nonobese and obese HIV-infected patients did not differ by clinical or demographic characteristics. Obese HIV-uninfected controls were younger than obese HIV-infected patients and less likely to smoke (P?

SUBMITTER: Koethe JR

PROVIDER: S-EPMC4703444 | biostudies-literature | 2016 Jan

REPOSITORIES: biostudies-literature

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The metabolic and cardiovascular consequences of obesity in persons with HIV on long-term antiretroviral therapy.

Koethe John R JR Grome Heather H Jenkins Cathy A CA Kalams Spyros A SA Sterling Timothy R TR

AIDS (London, England) 20160101 1

<h4>Objective</h4>This study assessed the effect of obesity on metabolic and cardiovascular disease risk factors in HIV-infected adults on antiretroviral therapy with sustained virologic suppression.<h4>Design</h4>Observational, comparative cohort study with three group-matched arms: 35 nonobese and 35 obese HIV-infected persons on efavirenz, tenofovir and emtricitabine with plasma HIV-1 RNA less than 50 copies/ml for more than 2 years, and 30 obese HIV-uninfected controls. Patients did not h ...[more]

PMID: 26418084

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Project description:IntroductionLong-term survival of HIV patients after initiating highly active antiretroviral therapy (ART) has not been sufficiently described in Latin America and the Caribbean, as compared to other regions. The aim of this study was to describe the incidence of mortality, loss to follow-up (LTFU) and associated risk factors for patients enrolled in the Caribbean, Central and South America Network (CCASAnet).MethodsWe assessed time from ART initiation (baseline) to death or LTFU between 2000 and 2014 among ART-naïve adults (?18 years) from sites in seven countries included in CCASAnet: Argentina, Brazil, Chile, Haiti, Honduras, Mexico and Peru. Kaplan-Meier techniques were used to estimate the probability of mortality over time. Risk factors for death were assessed using Cox regression models stratified by site and adjusted for sex, baseline age, nadir pre-ART CD4 count, calendar year of ART initiation, clinical AIDS at baseline and type of ART regimen.ResultsA total of 16,996 ART initiators were followed for a median of 3.5 years (interquartile range (IQR): 1.6-6.2). The median age at ART initiation was 36 years (IQR: 30-44), subjects were predominantly male (63%), median CD4 count was 156 cells/µL (IQR: 60-251) and 26% of subjects had clinical AIDS prior to starting ART. Initial ART regimens were predominantly non-nucleoside reverse transcriptase inhibitor based (86%). The cumulative incidence of LTFU five years after ART initiation was 18.2% (95% confidence interval (CI) 17.5-18.8%). A total of 1582 (9.3%) subjects died; the estimated probability of death one, three and five years after ART initiation was 5.4, 8.3 and 10.3%, respectively. The estimated five-year mortality probability varied substantially across sites, from 3.5 to 14.0%. Risk factors for death were clinical AIDS at baseline (adjusted hazard ratio (HR)=1.65 (95% CI 1.47-1.87); p<0.001), lower baseline CD4 (HR=1.95 (95% CI 1.63-2.32) for 50 vs. 350 cells/µL; p<0.001) and older age (HR=1.47 (95% CI 1.29-1.69) for 50 vs. 30 years at ART initiation; p<0.001).ConclusionsIn this large, long-term study of mortality among HIV-positive adults initiating ART in Latin America and the Caribbean, overall estimates of mortality were heterogeneous, generally falling between those reported in high-income countries and sub-Saharan Africa.

Dataset Information

The metabolic and cardiovascular consequences of obesity in persons with HIV on long-term antiretroviral therapy.

Publications

The metabolic and cardiovascular consequences of obesity in persons with HIV on long-term antiretroviral therapy.

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