alexa Prevalence and Risk Factors Associated with Adherence to Antiretroviral Therapy in HIV-Infected Adults in a Tertiary Care Hospital in Mexico | OMICS International | Abstract
ISSN 2155-6113

Journal of AIDS & Clinical Research
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Research Article

Prevalence and Risk Factors Associated with Adherence to Antiretroviral Therapy in HIV-Infected Adults in a Tertiary Care Hospital in Mexico

Xochipa-García Natali1, Mata-Marín José Antonio2, Alcalá-Martínez Enrique1, Domínguez-Hermosillo Juan Carlos2*, Huerta-García Gloria3, Manjarrez-Tellez Bulmaro2 and Gaytán-Martínez Jesus2

1Epidemiology Department, National Medical Center, “La Raza”, IMSS. Distrito Federal, México

2Infectious Diseases Department, National Medical Center, “La raza”, IMSS. Distrito Federal, México

3Pediatric Infectious Diseases Department, National Medical Center, “Siglo XXI”, IMSS. Distrito Federal, México

*Corresponding Author:
Juan Carlos Domínguez Hermosillo
Hospital de Infectología, Centro Médico Nacional “La Raza”. Seris y Jacarandas s/n
Colonia “La Raza”, Del Azcapotzalco, CP 02990 Ciudad de México, D.F
Tel: + 52-5557245900
E-mail: [email protected]

Received date: September 21, 2015; Accepted date: Novmeber 02, 2015; Published date: November 07, 2015

Citation: Natali XG, Antonio MMJ, Enrique AM, Carlos DHJ, Gloria HG et al. (2015) Prevalence and Risk Factors Associated with Adherence to Antiretroviral Therapy in HIV-Infected Adults in a Tertiary Care Hospital in Mexico. J AIDS Clin Res 6:518. doi:10.4172/2155-6113.1000518

Copyright: © 2015 Natali XG, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.


Background: Human immunodeficiency virus (HIV) infection has become a disease in epidemiological transition since the introduction of antiretroviral therapy (ART); however, its control depends on adherence to therapy. There are some studies in Mexico regarding such adherence but they have had heterogeneous results. We aimed to determine the prevalence of ART adherence and risk factors associated with non-adherence among HIV-infected adults in a tertiary care hospital in Mexico.

Methods: This was a cross-sectional study conducted at the Hospital de Infectología, “La Raza” National Medical Center, Mexico City. The subjects of the study were HIV-infected adults after at least 6 months on ART. They answered a questionnaire involving socio-demographics, biochemical, and clinical variables. Adherence was measured using the simplified medication adherence questionnaire

Results: Three hundred seventy-six HIV-infected patients were included in the study. The median age was 35 years (interquartile range, IQR, 29-44) and most of them were men (79.3%). Among the participants, 73% (95% confidence interval, CI, 68.2-77.4%) adhered to the medications prescribed. Factors associated with good adherence were being male (odds ratio, OR, 0.43; 95% CI, 0.22-0.83) and the absence of alcohol use (OR, 0.27; 95% CI, 0.12- 0.58); factors associated with non-adherence were a history of ≥2 ART regimens (OR, 1.95; 95% CI, 1.05-3.62), time spend attending medical care or receiving drugs (OR, 2.40; 95% CI, 1.22-4.70), and persistent viremia (OR, 2.72; 95% CI, 1.42-5.19; P<0.005).

Conclusion: In the era of ART as prevention for transmission of HIV as well as treatment for HIV-positive individuals irrespective of CD4 cell counts, the importance of adherence has grown. Treatment failure reduces future treatment options and therefore long-term clinical success as well as increases the possibility of developing drug resistant mutations. Being male and a lack of alcohol use were factors associated with higher rates of adherence, whereas previous use of ART, more ARV regimens, and a longer time waiting for medical care or drugs, were associated with nonadherence in this HIV-infected population. Incomplete ART adherence is associated with persistent viremia.


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