Hyperlipoproteinemias Flashcards
What is the inheritance for:
Abetalipoproteinemia
Autosomal Recessive
What is the inheritance for:
Hyperchylomicronemia
(Familial dyslipidemia type 1)
Autosomal Recessive
What is the inheritance for:
Familial hypercholesterolemia
(Familial dyslipidemia type 2)
Autosomal Dominant
What is the inheritance for:
Dysbetalipoproteinemia
(Familial dyslipidemia type 3)
Autosomal Recessive
What is the inheritance for:
Hypertriglyceridemia
(Familial dyslipidemia type 4)
Autosomal Dominant
What is the pathogenesis for:
Abetalipoproteinemia
Deficiency in ApoB-48 and ApoB-100
What is the pathogenesis for:
Hyperchylomicronemia
(Familial dyslipidemia type 1)
Lipoprotein lipase deficiency
or
Apolipoprotein C-II deficiency
What is the pathogenesis for:
Familial hypercholesterolemia
(Familial dyslipidemia type 2)
Absent or defective LDL receptors
or
Defective ApoB-100
What is the pathogenesis for:
Dysbetalipoproteinemia
(Familial dyslipidemia type 3)
Defective ApoE
What is the pathogenesis for:
Hypertriglyceridemia
(Familial dyslipidemia type 4)
Hepatic overproduction of VLDL
What levels are changed in the blood levels of:
Abetalipoproteinemia
Absent Chylomicrons
Absent VLDL
Absent LDL
What levels are changed in the blood levels of:
Hyperchylomicronemia
(Familial dyslipidemia type 1)
Inc Chylomicrons
Inc Triglycerides
Inc Cholesterol
What levels are changed in the blood levels of: Familial hypercholesterolemia (Familial dyslipidemia type 2)
IIa:
inc LDL and inc Cholesterol
IIb:
inc LDL, inc Cholesterol, inc VLDL
What levels are changed in the blood levels of:
Dysbetalipoproteinemia
(Familial dyslipidemia type 3)
Inc Chylomicrons
Inc VLDL
What levels are changed in the blood levels of:
Hypertriglyceridemia
(Familial dyslipidemia type 4)
Inc VLDL
Inc TG
What is the clinical presentation of: ( 3 - 4 )
Abetalipoproteinemia
Infants present with:
Severe fat malabsorption
Steatorrhea
Failure to thrive
Later manifestations: Retinitis pigmentosa Spinocerebellar degeneration (low vit E) Progressive ataxia Acanthocytosis
What is the clinical presentation of: ( 5 )
Hyperchylomicronemia
(Familial dyslipidemia type 1)
Pancreatitis
Hepatosplenomegaly
Eruptive/pruritic xanthomas
CREAMY LAYER IN SUPERNATANT
(NO INC RISK FOR ATHEROSCLEROSIS)
What is the clinical presentation of: ( 4 )
Familial hypercholesterolemia
(Familial dyslipidemia type 2)
Heterozygotes: cholesterol 300 mg/dL
Homozygotes: cholesterol 700+ mg/dL
Accelerated atherosclerosis (MI pre 20) Tendon (achilles) xanthomas Conreal arcus
What is the clinical presentation of: ( 3 )
Dysbetalipoproteinemia
(Familial dyslipidemia type 3)
Premature atherosclerosis
Tuberoeruptive xanthomas
Palmar xanthomas
What is the clinical presentation of: ( 3 )
Hypertriglyceridemia
(Familial dyslipidemia type 4)
Hypertriglyceridemia (>1000 mg/dL)
Can cause acute pancreatitis
RELATED TO INSULIN RESITANCE