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Antiretroviral therapy and arterial elasticity in HIV-infected patients
Kundro, Mariana A; Viloria, Guillermo A; Toibaro, Javier J; Losso, Marcelo H.
  • Kundro, Mariana A; Hospital J.M. Ramos Mejía. Servicio de Inmunocomprometidos. Buenos Aires. AR
  • Viloria, Guillermo A; Hospital J.M. Ramos Mejía. Servicio de Inmunocomprometidos. Buenos Aires. AR
  • Toibaro, Javier J; Hospital J.M. Ramos Mejía. Servicio de Inmunocomprometidos. Buenos Aires. AR
  • Losso, Marcelo H; Hospital J.M. Ramos Mejía. Servicio de Inmunocomprometidos. Buenos Aires. AR
Medicina (B.Aires) ; 77(5): 365-369, oct. 2017. tab
Article in English | LILACS | ID: biblio-894501
ABSTRACT
Cardiovascular risk is increased in HIV-infected patients and has become a leading cause of morbimortality in this population. The purpose of this study is to compare HIV-infected patients on antiretroviral therapy (ART) and ART-naïve HIV-infected patients regarding arterial elasticity. From September 2010 to September 2015, 105 HIV-infected subjects were enrolled, 41 ART-naïve and 64 on ART with stable viral suppression. Elasticity of large and small arteries (LAE and SAE) was assessed by analysis of radial pulse waveforms using a calibrated device. A single set of measurements was performed. Multivariate linear regression models were constructed to estimate independent correlates of arterial elasticity. On-ART and ART-naïve patients were similar with respect to gender, age, body mass index, Framingham cardiovascular risk score, smoking habits, and CD4+ counts. Median time on treatment was 60 months and 79% of patients were on regimens based on non-nucleoside reverse-transcriptase inhibitors. No significant differences in LAE and SAE assessments were found between groups. However, time on ART and cholesterol levels were independently associated with LAE impairment. No association between arterial elasticity and CD4+ counts was found. We conclude that cumulative exposure to ART may play a role on LAE impairment and deserves further investigation.
RESUMEN
El riesgo cardiovascular está incrementado en los pacientes HIV seropositivos y se ha convertido en una de las principales causas de morbimortalidad en esta población. El objetivo de este estudio fue comparar la elasticidad de grandes y pequeñas arterias (LAE y SAE) en pacientes infectados por HIV con y sin terapia antirretroviral. De septiembre de 2010 a septiembre de 2015 se enrolaron 105 pacientes con infección por HIV, 41 vírgenes de antirretrovirales y 64 con tratamiento estable en supresión viral. LAE y SAE fueron evaluados mediante análisis de la onda de pulso radial. Se construyeron modelos de regresión lineal múltiple para evaluar los predictores independientes de la elasticidad arterial. Los grupos en tratamiento y naïve fueron similares con respecto al sexo, edad, índice de masa corporal, índice de Framingham, tabaquismo y recuento de CD4+. La mediana de tiempo en tratamiento antirretroviral fue 60 meses y el 79% de los pacientes recibieron inhibidores no nucleosídicos. No hubo diferencias significativas entre los grupos en los valores de LAE y SAE. Sin embargo, el tiempo en tratamiento y el nivel de colesterol plasmático se asociaron independientemente con deterioro de LAE. No observamos asociaciones entre la elasticidad arterial y los recuentos de CD4+. Concluimos que la exposición acumulada al tratamiento antirretroviral podría contribuir al deterioro de la LAE. Este hallazgo merece ulterior investigación.
Subject(s)

Full text: Available Index: LILACS (Americas) Main subject: Arteries / Vascular Resistance / HIV Infections / Anti-HIV Agents / Elasticity Type of study: Observational study / Prevalence study / Prognostic study / Risk factors Limits: Adult / Female / Humans / Male Language: English Journal: Medicina (B.Aires) Journal subject: Medicine Year: 2017 Type: Article Affiliation country: Argentina Institution/Affiliation country: Hospital J.M. Ramos Mejía/AR

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Full text: Available Index: LILACS (Americas) Main subject: Arteries / Vascular Resistance / HIV Infections / Anti-HIV Agents / Elasticity Type of study: Observational study / Prevalence study / Prognostic study / Risk factors Limits: Adult / Female / Humans / Male Language: English Journal: Medicina (B.Aires) Journal subject: Medicine Year: 2017 Type: Article Affiliation country: Argentina Institution/Affiliation country: Hospital J.M. Ramos Mejía/AR