![]() ![]() ![]() Most people don’t even know they have them until they become so large they’re restricting blood flow, or until a piece of one breaks off and obstructs an artery. sex (men and postmenopausal women are at higher risk)Ītheromas can grow steadily over the course of many years.inflammatory diseases such as lupus and rheumatoid arthritis. ![]() Things that cause injury to artery walls include: These cells attract fat and cholesterol and thereby help encourage the growth of atheromas. These cells morph into what are known as foam cells. In response to the injury, the body sends white blood cells to the affected area. This injury is produced by both genetic and lifestyle factors. But researchers suspect that atheromas occur after repeated injury to the endothelium, which causes inflammation. They accumulate over many years, often starting in childhood.Īccording to the National Heart, Lung, and Blood Institute, the exact cause of atheromas and the atherosclerosis they produce isn’t fully known. They don’t just suddenly arise after an unhealthy meal. Undiagnosed coronary artery disease is also considered, in which case exercising testing can be used as a diagnostic tool.Atheromas can occur in any artery, but they are most dangerous in the medium-to-large arteries of the heart, arms, legs, brain, pelvis, and kidneys. If the underlying cause cannot be identified, a doctor will consider the possibility of undiagnosed hypertension, in which case careful monitoring is initiated.
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