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Updated: Jun 16, 2026

Sequencing of Bacterial Microflora in Peripheral Blood: our Experience with HIV-infected Patients
Published on: June 11, 2011
[Spectrum of cardiovascular disease in HIV-infected patients]
1Unidad Clínica de Enfermedades Infecciosas, Hospital Universitario de Valme, Sevilla, España. fernandolozano@telefonica.net
Insights
HIV infection significantly increases the risk of arteriosclerotic cardiovascular disease in all patients. This heightened risk is linked to HIV itself, traditional factors, and certain medications.
Area of Science:
- Cardiology
- Infectious Diseases
- Vascular Medicine
Context:
- HIV infection is associated with an elevated risk of arteriosclerotic cardiovascular disease (ASCVD).
- Evidence spans clinical manifestations like heart attack and stroke, and subclinical markers of atherosclerosis and endothelial dysfunction.
- Studies assess various arterial beds (carotid, coronary, peripheral) using diverse diagnostic methods.
Purpose:
- To summarize the evidence linking HIV infection to increased ASCVD risk.
- To identify key contributors to this excess cardiovascular risk in HIV-positive individuals.
Summary:
- HIV-infected patients exhibit a higher incidence of ASCVD, including myocardial infarction, stroke, and peripheral arterial disease.
- Premature atherosclerosis and endothelial dysfunction markers are frequently observed in HIV-positive individuals.
- Excess ASCVD risk is primarily attributed to HIV infection and traditional cardiovascular risk factors, with a lesser contribution from early protease inhibitors.
Impact:
- Highlights the critical need for cardiovascular risk assessment and management in HIV care.
- Informs clinical practice regarding the specific cardiovascular threats faced by the HIV-positive population.
- Underscores the importance of addressing both HIV-specific and general cardiovascular risk factors.
Abstract:
A large body of evidence indicates that HIV-infected patients, both men and women, as well as adults and children, have a higher risk of developing arteriosclerotic cardiovascular disease. This evidence comes from studies whose main primary variables were the clinical manifestations of arteriosclerotic cardiovascular disease (acute myocardial infarction, silent myocardial ischemia, stroke and peripheral arterial disease) and the distinct markers of premature atherosclerosis and endothelial dysfunction determined in different sites (carotid, coronary or peripheral arteries) and with distinct diagnostic procedures (carotid intimamedia thickening, coronary artery calcification, flow-mediated vasodilation, arterial rigidity, ankle/arm index, etc.). This excess risk of arteriosclerotic cardiovascular disease in HIV-positive patients is clearly associated with the HIV infection per se and with classical cardiovascular risk factors, and, to a lesser extent and less uniformly, with the use of first-generation protease inhibitors. Hypertension, whose association with HIV infection is far less clear, is related to both traditional cardiovascular risk factors and to lipodystrophy.
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Causative Organism
The primary infectious agent causing tuberculosis is Mycobacterium tuberculosis, a slow-growing, acid-fast, aerobic rod that exhibits sensitivity to heat and ultraviolet light. Instances of Mycobacterium bovis and Mycobacterium avium contributing to the development of TB infection are rare.
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