Dysbetalipoproteinemia (type III, Fredrickson's classification) is a rare metabolic disorder. It results from a defect in the clearance of VLDL and chylomicron remnants due to homozygous APOE2 variants or heterozygous APOE mutations, and there is an elevated plasma cholesterol and triglycerides. As a consequence of the derangements in lipoprotein metabolism, dysbetalipoproteinemia predispose to the premature development of atherosclerosis. However among this population there is heterogeneity in development of cardiovascular complications and the determinants remain unclear actually. The aim of the investigators study is to evaluate the intensity of clinical atherosclerosis, and identify its determinants.
Study Type
OBSERVATIONAL
Enrollment
50
Hospices Civils de Lyon - Groupement Hospitalier Est
Bron, France
Computed tomographic measurements for coronary-artery calcium
Comparison with eventual previous examinations.
Time frame: Day one : the coronary calcium score is assessed on the date of measurement
Measurement of carotid intima-media by ultrasonography
Comparison with eventual previous examinations.
Time frame: Day one : on the date of measurement
Measurement of ankle brachial index
Comparison with eventual previous examinations
Time frame: Day one : on the date of measurement
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