• Carlos A Hinojosa, Ana E Nunez-Salgado, Javier E Anaya-Ayala, Hugo Laparra-Escareno, Laura J Ortiz-Lopez, Jaime O Herrera-Caceres, Brenda E Crabtree-Ramirez, and Juan G Sierra-Madero.
• 1 Department of Surgery, Section of Vascular Surgery and Endovascular Therapy, 42559 Instituto Nacional de Ciencias Médicas y Nutrición "Salvador Zubirán" , Mexico City, Mexico.
• Vascular. 2018 Oct 1; 26 (5): 540-546.

AbstractObjectives The longer survival of patients with human immunodeficiency virus/acquired immunodeficiency syndrome and the introduction of the highly active antiretroviral therapy have increased the number of chronic conditions; among these, cardiovascular diseases. The aim of this study is to determine patient, disease, and factors associated with peripheral arterial disease in a population of patients with human immunodeficiency virus/acquired immunodeficiency syndrome. Methods A prospective nested case-control study of a cohort of patients with human immunodeficiency virus/acquired immunodeficiency syndrome was conducted in a tertiary medical center in Mexico City. A sample size of 206 patients was calculated. Medical history, relevant laboratory data, peripheral arterial exam, and screening ankle-brachial index tests were obtained. Results The prevalence of abnormal ankle-brachial indexes was 20% (42 patients). Patient's mean age was 44 years ±13. The majority (98.5%) were actively receiving highly active antiretroviral therapy; active smoking was reported in 55 (27%), arterial hypertension and type 2 diabetes mellitus were found in 24 (12%) and 22 (11%) patients. Median time from the human immunodeficiency virus diagnosis was eight years (Interquartile range ±11); the mean CD4 count was 481, with a mean viral load of 13,557 copies (SD ± 69025.27) and 1889.18 (SD ± 9052.77) for patients with normal and abnormal ankle-brachial index and a median of 40 (IQ ± 2). Viral load ( p = 0.04) and number of years with human immunodeficiency virus/acquired immunodeficiency syndrome ( p = 0.04) were significantly associated with abnormal ankle-brachial indexes. Conclusions Abnormal ankle-brachial index seems to be more frequent in Mexican patients with human immunodeficiency virus/acquired immunodeficiency syndrome when compared with the general population at the same age. The most important factors associated with arterial disease were the viral load and the number of years with human immunodeficiency virus/acquired immunodeficiency syndrome.

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