Cardiovascular Disease and Lupus
Cardiovascular disease and lupus are closely connected. People living with systemic lupus erythematosus (SLE) face a significantly higher risk of heart disease and stroke compared to the general population. Research shows that individuals with lupus may have a five to six times greater risk of cardiovascular disease.
Because lupus can affect major organs throughout the body, it can also impact the heart and blood vessels in serious ways. Understanding this connection is an important step in recognizing symptoms early, managing risk factors, and protecting long term heart health.
Advances in lupus treatment have helped people live longer, healthier lives. However, as individuals age, their natural risk of cardiovascular disease also increases. This makes proactive heart health monitoring especially important for people living with lupus.
If you experience chest pain, shortness of breath, or unusual symptoms, it is important to speak with your doctor so that the cause can be identified and, when necessary, a treatment plan can be developed to reduce the risk of serious complications.
Cardiovascular Disease and Lupus: Understanding the Heart Connection
Cardiovascular diseases affect the heart and blood vessels. One of the most common forms is coronary artery disease (CAD).
The most common heart condition affecting people with lupus is atherosclerosis. Atherosclerosis occurs when cholesterol and other fatty deposits build up along the artery walls. This buildup, known as plaque, narrows the arteries and reduces blood flow. If blood flow to the heart is blocked, it can result in a heart attack. If blood flow to the brain is interrupted, it can cause a stroke.
Chronic inflammation plays a significant role in this process. In lupus, the immune system is overactive and causes ongoing inflammation throughout the body. Over time, this inflammation can damage blood vessels and accelerate plaque buildup, increasing cardiovascular risk.
Women with lupus, particularly younger women, may face especially elevated risks. Studies have shown that premenopausal women with lupus may be significantly more likely to experience heart attacks compared to women of the same age without lupus.
Cardiovascular Disease and Lupus: Risk Factors You Can Change
While some risk factors cannot be modified, there are several important areas where you can take action.
High Blood Pressure
High blood pressure can narrow and eventually block arteries that carry blood throughout your body. It also places strain on the heart and increases the risk of heart attack and stroke. Because hypertension often has no symptoms, regular monitoring is essential.
High Blood Cholesterol
Elevated LDL cholesterol and triglycerides can clog arteries and increase cardiovascular risk. Diet, physical activity, smoking cessation, and in some cases medication such as statins can help manage cholesterol levels.
Physical Inactivity
Being inactive can significantly increase your already elevated risk of heart disease. Although exercise may feel challenging during a lupus flare, even low impact activities such as walking, stretching, or swimming can provide meaningful cardiovascular benefits.
Diabetes
Diabetes substantially increases the risk of heart disease. If you have lupus, it is especially important to prevent or carefully manage type 2 diabetes through diet, physical activity, and medical monitoring.
Excess Weight
Carrying excess weight, particularly around the abdomen, increases the risk of heart disease, high blood pressure, and diabetes. Even modest weight loss can significantly reduce cardiovascular risk.
Smoking
Smoking damages blood vessels, increases clot risk, and accelerates atherosclerosis. Quitting smoking is one of the most important steps you can take to protect your heart.
Excessive Alcohol Consumption
Moderation is key. Limiting alcohol intake helps control blood pressure and reduces cardiovascular strain.
Stress
Stress increases both cardiovascular risk and the likelihood of lupus flares. Healthy coping strategies such as mindfulness, physical activity, and counselling can help reduce stress related impacts.
Risk Factors That Cannot Be Changed
Some cardiovascular risk factors are non modifiable:
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Increasing age
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Family history of early heart disease
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Certain racial and ethnic backgrounds
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Sex and hormonal status
If you have non modifiable risk factors in addition to lupus, it becomes even more important to manage the areas that are within your control.
How Lupus Can Directly Affect the Heart
In addition to increasing the risk of atherosclerosis, lupus can cause inflammation in specific areas of the heart:
Endocarditis
Inflammation of the inner lining of the heart and heart valves. It may lead to clot formation on the valves.
Myocarditis
Inflammation of the heart muscle, which may cause chest pain, fatigue, swelling, or irregular heartbeat.
Pericarditis
Inflammation of the sac surrounding the heart. Symptoms may include chest pain, shortness of breath, or pain when taking a deep breath.
Warning Signs: When to Seek Medical Attention
Because people with lupus are at increased cardiovascular risk, recognizing warning signs is critical.
Angina
Chest discomfort or pain, often triggered by activity and relieved by rest. The sensation may feel like pressure, squeezing, heaviness, or burning. Women may experience more subtle symptoms.
Heart Attack
- Severe chest pain that does not resolve with rest
- Shortness of breath
- Nausea or vomiting
- Cold sweats
- Feelings of anxiety or fear
Sudden severe symptoms should be treated as a medical emergency.
Stroke
- Sudden weakness or numbness, especially on one side of the body
- Sudden confusion or difficulty speaking
- Trouble seeing
- Severe headache
- Loss of balance
Immediate medical attention is critical if stroke symptoms appear.
Emerging Research in Lupus and Heart Health
Promoting cardiovascular health in people with lupus remains an active area of research worldwide.
Researchers at institutions including the University of Calgary, Harvard, and MIT are working to develop an SLE specific cardiovascular risk calculator. This tool aims to help predict an individual’s risk of cardiovascular disease and allow both patients and healthcare providers to monitor risk over time.
Innovations such as these may improve early identification of high risk individuals and support more personalized prevention strategies.
Participating in research is one way people living with lupus can contribute to improving long term outcomes for themselves and others.
Looking for practical strategies to support heart health?
Visit our Heart Health and Lupus resource for prevention focused guidance and lifestyle tips.