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Management of Homozygous Familial Hypercholesterolemia

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Therapeutic Lipidology

Part of the book series: Contemporary Cardiology ((CONCARD))

Abstract

Homozygous familial hypercholesterolemia (HoFH) is a devastating codominant autosomal disease mostly caused by loss off function variants affecting the LDL receptor gene (LDLR) and is characterized by extremely elevated plasma LDL-cholesterol (LDL-C), diffuse cutaneous and tendinous xanthomas, corneal arcus, and early diffuse atherosclerotic cardiovascular disease (ASCVD). In addition, HoFH individuals usually develop severe aortic valve or supra-aortic valve diseases. HoFH is usually refractory to standard pharmacological lipid-lowering therapies and use of other medications like PCSK9 inhibitors, microsomal transfer protein inhibitors, and lipoprotein apheresis (LA) are necessary. Lipid-lowering therapy has increased ASCVD event-free survival from the second to the third decade of life in HoFH individuals; however, coronary atherosclerosis and aortic valve or supra-aortic valve disease still cause striking early morbidity and mortality.

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Santos, R.D. (2021). Management of Homozygous Familial Hypercholesterolemia. In: Davidson, M.H., Toth, P.P., Maki, K.C. (eds) Therapeutic Lipidology. Contemporary Cardiology. Humana, Cham. https://doi.org/10.1007/978-3-030-56514-5_20

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