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[Cholesterol and triglycerides in atherosclerosis: epidemiologic and physiopathologic considerations]
1Departamento de Medicina, Facultad de Medicina (División Occidente), Universidad de Chile, Hospital San Juan de Dios, Santiago.
Revista Medica De Chile
|September 1, 1991
Summary
High cholesterol and triglyceride levels indicate a significant risk for atherosclerosis. Investigating hypertriglyceridemia is crucial for assessing cardiovascular disease risk, especially with associated risk factors.
Area of Science:
- Lipid metabolism and cardiovascular disease research.
- Biochemical markers of atherosclerosis.
- Clinical risk assessment for cardiovascular events.
Context:
- Atherosclerosis risk is linked to elevated cholesterol, LDL, and cholesterol/HDL ratios.
- Triglyceride levels require evaluation alongside other risk factors like family history and specific lipid profiles.
- VLDL, chylomicron remnants, and Lp(a) possess significant atherogenic potential.
Purpose:
- To highlight the significance of triglyceride levels in atherosclerosis risk assessment.
- To emphasize the atherogenic potential of various lipoproteins.
- To underscore the association between hypertriglyceridemia and other metabolic risk factors.
Summary:
- Elevated cholesterol (>200 mg/dl), LDL (>130 mg/dl), and cholesterol/HDL ratios (>4.5 male, >5.0 female) signal increased atherosclerosis risk.
- Triglyceride levels (>200 mg/dl) necessitate evaluation considering factors like family history, Lp(a), Apo B, HDL2, and Apo A1.
- Hypertriglyceridemia correlates with reduced HDL2/Apo A1, and often coexists with diabetes, obesity, hyperinsulinism, and hypertension, increasing VLDL's atherogenic impact.
Impact:
- Provides a comprehensive overview of lipid markers for atherosclerosis risk.
- Guides clinicians in evaluating hypertriglyceridemia within a broader metabolic context.
- Enhances understanding of lipoprotein atherogenicity and its clinical implications for cardiovascular health.