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Published on: October 6, 2022
HIV and cardiovascular disease
Kaku So-Armah1, Laura A Benjamin2, Gerald S Bloomfield3
1Boston University School of Medicine, Boston, MA, USA.
Insights
Cardiovascular disease risk factors in people with HIV vary globally, particularly between sub-Saharan Africa and Western countries. Tailored risk reduction strategies are crucial for effective HIV and cardiovascular disease care worldwide.
Area of Science:
- Global Health
- Cardiology
- Infectious Diseases
Background:
- HIV research on cardiovascular disease (CVD) is concentrated in Europe and North America.
- Sub-Saharan Africa bears the largest burden of HIV, with 25.6 million people living with the virus.
- Geographical variations in CVD risk factors necessitate localized approaches to HIV-related CVD management.
Purpose of the Study:
- To highlight the differing profiles of cardiovascular disease risk factors in people with HIV across diverse geographical regions.
- To advocate for tailored strategies in HIV-related CVD risk reduction, considering global disparities.
- To inform future research priorities for integrated HIV and CVD care.
Main Methods:
- Comparative analysis of cardiovascular disease risk factor distribution based on geographical location (sub-Saharan Africa vs. Europe/North America).
- Review of traditional and non-traditional CVD risk factors in the context of HIV.
- Synthesis of current research gaps and future research directions.
Main Results:
- Sub-Saharan Africa presents a unique CVD risk profile in people with HIV, characterized by younger populations, higher hypertension rates, lower smoking, and lower cholesterol compared to Western regions.
- These demographic and epidemiological differences result in distinct CVD profiles between low-income and high-income countries.
- Existing research predominantly overlooks the specific needs and risk profiles of populations in low-income settings.
Conclusions:
- HIV-related CVD risk reduction strategies must be geographically tailored, accounting for local risk factor distributions.
- Integration of CVD risk reduction into HIV care guidelines is essential, considering both traditional and non-traditional risk factors like antiretroviral therapy side effects and indoor air pollution.
- Future research should focus on implementation science for integrated care models, CVD in women with HIV, and tobacco cessation.
Abstract:
HIV-related cardiovascular disease research is predominantly from Europe and North America. Of the estimated 37·9 million people living with HIV worldwide, 25·6 million live in sub-Saharan Africa. Although mechanisms for HIV-related cardiovascular disease might be the same in all people with HIV, the distribution of cardiovascular disease risk factors varies by geographical location. Sub-Saharan Africa has a younger population, higher prevalence of elevated blood pressure, lower smoking rates, and lower prevalence of elevated cholesterol than western Europe and North America. These variations mean that the profile of cardiovascular disease differs between low-income and high-income countries. Research in, implementation of, and advocacy for risk reduction of cardiovascular disease in the global context of HIV should account for differences in the distribution of traditional cardiovascular disease risk factors (eg, hypertension, smoking), consider non-traditional cardiovascular disease risk factors (eg, access to antiretroviral therapy with more benign cardiovascular disease side effect profiles, indoor air pollution), and encourage the inclusion of relevant risk reduction approaches for cardiovascular disease in HIV-care guidelines. Future research priorities include implementation science to scale up and expand integrated HIV and cardiovascular disease care models, which have shown promise in sub-Saharan Africa; HIV and cardiovascular disease epidemiology and mechanisms in women; and tobacco cessation for people living with HIV.
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