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Your Heart Is Listening: Understanding the Cardiovascular Risks That Come With HIV — and How to Stay Ahead of Them

Roche HIV Resource Center
Your Heart Is Listening: Understanding the Cardiovascular Risks That Come With HIV — and How to Stay Ahead of Them

For decades, the central focus of HIV care was straightforward: suppress the virus, preserve immune function, and extend life. Thanks to remarkable advances in antiretroviral therapy, that goal is now achievable for most people living with HIV in the United States. But as survival rates have improved and the HIV-positive population has aged, a more complicated picture has emerged — one in which the heart sits squarely in the crosshairs.

Research now shows that people living with HIV face a 50 to 100 percent higher risk of cardiovascular disease compared to HIV-negative individuals of similar age and background. That is not a marginal difference. It is a signal that demands attention from patients, HIV specialists, and cardiologists alike.

Why HIV and Heart Disease Are More Connected Than Most People Realize

The relationship between HIV and cardiovascular disease is not incidental. It is rooted in biology — specifically, in the way the virus and the immune system interact over time, even when treatment is working well.

The most significant driver is chronic inflammation. Even when a person's viral load is undetectable and their CD4 count is stable, the immune system does not simply return to its pre-infection baseline. HIV establishes viral reservoirs in the body that continue to trigger low-grade immune activation. Over years and decades, this persistent inflammatory state damages blood vessels, promotes the buildup of arterial plaque, and accelerates the process of atherosclerosis — the same underlying mechanism responsible for most heart attacks and strokes.

Researchers have also identified that HIV directly affects the cells lining blood vessels, known as endothelial cells. When these cells are compromised, the arteries become stiffer and less responsive, raising the risk of hypertension and coronary artery disease. Studies using imaging technology have found that people living with HIV tend to show signs of arterial aging that appear years ahead of schedule compared to their HIV-negative peers.

The Role of Antiretroviral Therapy: A Nuanced Picture

Antiretroviral therapy (ART) is, without question, the cornerstone of HIV care — and it dramatically reduces cardiovascular risk by controlling viral replication and tamping down the inflammation that comes with active infection. The net effect of being on effective treatment is strongly protective for the heart.

However, the story does not end there. Certain older antiretroviral medications — particularly some protease inhibitors and earlier nucleoside reverse transcriptase inhibitors — have been associated with metabolic side effects including elevated triglycerides, increased LDL cholesterol, and insulin resistance. These changes can contribute to cardiovascular risk over time, particularly in patients who were treated with these regimens during the earlier years of combination therapy.

The good news is that modern antiretroviral regimens have been designed with metabolic tolerability in mind, and many carry a significantly more favorable cardiovascular profile. This is precisely why regular medication reviews matter. If you have been on the same regimen for many years, it is worth discussing with your HIV specialist whether your current treatment remains the best option given everything we now know about long-term heart health.

Traditional Risk Factors Do Not Disappear — They Compound

It would be a mistake to view HIV-related cardiovascular risk in isolation from the traditional risk factors that affect everyone. Smoking, hypertension, diabetes, obesity, physical inactivity, and a family history of heart disease all remain powerful predictors of cardiovascular events — and in people living with HIV, these risks appear to compound rather than simply add together.

For example, a 50-year-old man living with HIV who smokes and has poorly controlled blood pressure is not facing the same risk profile as an HIV-negative man with the same characteristics. The underlying inflammation and immune dysregulation associated with HIV amplify the damage that conventional risk factors cause to blood vessels.

This means that managing traditional cardiovascular risk factors is not just generally good advice for people living with HIV — it is an urgent clinical priority.

Screening Recommendations: What to Ask For and When

Despite the elevated risk, cardiovascular screening in HIV care is not always systematic. Patients often see their HIV specialist for viral load monitoring and CD4 counts without receiving a comprehensive cardiovascular workup. Here is what proactive screening should include:

Opening the Conversation: Bridging Your HIV Specialist and Your Cardiologist

One of the most persistent structural problems in HIV-related cardiovascular care is fragmentation. An HIV specialist may be deeply focused on viral suppression and immune health, while a cardiologist — if the patient sees one at all — may not fully appreciate how HIV and its treatment alter cardiovascular risk. The patient is left in the middle, often without anyone coordinating the full picture.

You can help bridge that gap. Consider these practical steps:

With your HIV specialist: Ask directly, "What is my cardiovascular risk, and are we monitoring it?" Request that your lipid levels, blood pressure, and glucose be reviewed at your next appointment. Ask whether your current antiretroviral regimen has any known cardiovascular implications and whether any updates to your treatment plan might be warranted.

With your cardiologist or primary care physician: Make sure they know your full HIV history, including how long you have been living with HIV, your current and past antiretroviral regimens, and whether your viral load is currently undetectable. Bring a medication list. Ask whether your cardiovascular risk assessment accounts for your HIV status.

Advocating for coordinated care: If your providers are not communicating with each other, ask for a shared care summary or request that notes be shared across your care team. Some academic medical centers and HIV specialty clinics now offer integrated cardiology and infectious disease consultations — if that option exists near you, it is worth pursuing.

Lifestyle Modifications That Move the Needle

Beyond medications and monitoring, the choices made every day have a measurable impact on cardiovascular outcomes for people living with HIV. Smoking cessation is the single most impactful behavioral change a person can make — and there is strong evidence that people living with HIV who smoke carry a disproportionately elevated risk of heart attack compared to nonsmokers in the same population. Cessation support, including pharmacotherapy, is available and effective.

Regular aerobic exercise — even moderate activity like brisk walking for 150 minutes per week — has been shown to reduce inflammatory markers and improve lipid profiles. A heart-healthy diet rich in vegetables, whole grains, and lean proteins while limiting processed foods and saturated fats supports both cardiovascular and immune health. Limiting alcohol consumption and maintaining a healthy weight round out the lifestyle picture.

The Bottom Line

Living with HIV in 2024 means navigating a longer life — and with that longevity comes a new responsibility to protect the systems that sustain it. The heart is not a separate concern from HIV care; it is part of the same ongoing conversation about health, resilience, and quality of life.

The science is clear, the risks are real, and the tools to address them are available. What is needed now is awareness — from patients who understand what questions to ask, and from providers who are willing to look beyond viral load numbers to the full picture of long-term wellness. Your heart has been with you through every stage of this journey. It deserves to be part of the plan.

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