The condition causes lasting chest pain and raises your heart attack risk. Unlike coronary artery disease, which is due to a blockage, microvascular heart disease (small vessel disease) occurs when there’s blood vessel damage. This information makes it easier to adjust treatments to your needs and preferences.Ĭoronary microvascular disease happens when there’s a disruption of blood flow through the heart’s smallest blood vessels. Your healthcare provider may recommend keeping a daily record of symptoms and vital signs, like blood pressure. They can make recommendations or use other medications to help you get the most out of treatment. It’s important to discuss these challenges with your healthcare provider. Some drugs cause unpleasant side effects, like feeling dizzy. Taking medications and making lifestyle changes can take some getting used to. What is living with microvascular heart disease like? These include difficulty breathing or pain that runs down your back, neck or arms. Chest pain is accompanied by other heart attack symptoms.You have chest pain that doesn't go away or gets worse.Dial 911 or go to the closest emergency room if: Microvascular coronary disease symptoms can make it challenging to go about daily life.Ĭhest pain can also be a symptom of a heart attack. Pain may increase with mental stress and, less often, with physical exertion. The primary symptom is a type of chest pain called angina that lasts 10 minutes or longer, even when resting. What are the symptoms of small vessel disease? This damage can cause spasms that disrupt blood flow to your heart. With coronary microvascular disease, damage occurs to the inner walls of small vessels. In a healthy heart, these muscles narrow and widen to keep up with your heart’s changing needs. The condition affects the smooth muscle function of your heart’s smallest arteries. What causes microvascular coronary disease? Sedentary lifestyle with low levels of physical activity.Rheumatologic disorders, such as lupus or rheumatoid arthritis.Eating a diet that’s high in salt, saturated fat and processed foods.Autoimmune disease, including vasculitis.This is especially true in people with low estrogen levels, which occurs around menopause. Small vessel disease is more likely to affect women than men. Who is more likely to experience microvascular coronary disease? It occurs due to blood vessel damage or malfunction of the small blood vessels, not plaque buildup. Coronary microvascular disease affects the microvasculature (small blood vessels that come off of the large blood vessels) and prevents blood from nourishing your heart tissue.This condition most commonly occurs when fatty deposits (plaques) that form inside your arteries reduce or block blood flow completely. Coronary artery disease impacts the larger vessels called coronary arteries that overlay your heart.But the ways they affect your heart are different: How is coronary microvascular disease different from coronary artery disease?īoth conditions raise your risk of a heart attack. The exchange also involves gases, nutrients and waste products. These vessels control blood flow and capillary exchange within your heart.Ĭapillary exchange is a complex process during which tiny vessels deliver oxygen-rich blood and receive oxygen-poor blood from nearby tissue. Many of them are the size of a few human hairs. The coronary microvasculature is a network of tiny blood vessels in your heart. What is the role of the coronary microvasculature? Microvascular disease affects arteries that branch off from your heart’s main blood vessels (coronary microvasculature). What is coronary microvascular disease (small vessel disease)?
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