Medical Advances 2015-10-09 Heart Risk and Inherited High Cholesterol Main Article Content Breadcrumb navigation All/Medical Advances/Heart Risk and Inherited High Cholesterol Study Shows Increased Risk for Heart Disease This article was originally published in the Northwestern University Feinberg School of Medicine News Center. It has been edited and expanded for the Breakthroughs in Care audience. According to research from Northwestern Medicine, the risk of developing coronary heart disease significantly increases for those with genetically inherited high cholesterol. About 1.5 million people in the United States have a form of high cholesterol called familial hypercholesterolemia, a genetic disorder that prevents the liver from removing excess low-density lipoprotein (LDL) or “bad” cholesterol from the blood. Signs of the condition include LDL cholesterol levels greater than or equal to 190 mg/dL as well as a family history of premature cardiovascular events. “This is quite common in the population, and the risks have never been quantified in the United States,” said senior study author Donald Lloyd-Jones, MD, who is senior associate dean for Clinical and Translational Research, chair of the Department of Preventive Medicine and director of the Northwestern University Clinical and Translational Sciences Institute (NUCATS).“For those with this condition, the risk of heart disease is accelerated at a younger age, resulting in life years lost or a life lived with heart disease.” For the study, the team pooled data from six groups of people in epidemiological studies, between the ages of 20-79, with 1.2 million person years of follow-up. The data showed that those with familial hypercholesterolemia are five times more likely to develop coronary heart disease compared to those with average levels of LDL over the long term (up to 30 years). In addition, they are also more likely to have an accelerated onset of coronary heart disease, up to 20 years early in men and 30 years early in women. Since individuals with familial hypercholesterolemia can be treated with cholesterol-lowering drugs to decrease the risks of heart disease and stroke, scientists believe these findings are important in helping clinicians communicate the risks of this health condition with their patients. Interested in hearing more from Northwestern Medicine? Sign up for the Healthy Tips E‑Newsletter for everything from health and wellness ideas to patient breakthroughs to academic and medical advancements. 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