Familial Dyslipidemias Flashcards
Increased chlyomicrons & TG (+cholesterol)
Familial hyperchylomicronemia (I)
Familial hyperchylomicronemia (I) - Pathophysiology
LPL deficiency or altered ApoCII
Autosomal recessive
Pancreatitis, Hepatospleenomegaly, eruptive/pruritic xanthomas
Familial hyperchylomicronemia (I)
No increased risk for athersclerosis
Familial hyperchylomicronemia
Increased LDL, cholesterol
Familial Hypercholesterolemia (IIa)
Familial Hypercholesterolemia (IIa) - Pathophysiology
Absent or decreased LDL receptors
Autosomal dominant
Homozygotes > Heterozygotes
Accelerated atherosclerosis, tendon xanthomas, and corneal arcus (white, gray, or blue opaque ring in the corneal margin )
Familial Hypercholesterolemia (IIa)
Increased VLDL, TG
Familial Hypertriglyceridemia (IV)
Familial Hypertriglyceridemia (IV) - pathophysiology
Hepatic overproduction of VLDL
Autosomal dominant
Causes pancreatitis
Familial Hypertriglyceridemia (IV)
Autosomal recessive mutation in microsomal triglyceride transfer protein (MTP) gene
Abetalipoproteinemia
Low serum TG, cholesterol
Abetalipoproteinemia
Failure to thrive, steatorrhea, acanthocytosis, ataxia, night blindness
Abetalipoproteinemia