Hyperlipidemia medical definition
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Medical Definition of Hyperlipidemia
Introduction to Hyperlipidemia
Hyperlipidemia is a medical condition characterized by elevated levels of lipids (fats) in the blood, including cholesterol, triglycerides, and lipoproteins such as very low-density lipoprotein (VLDL) and low-density lipoprotein (LDL)3 4 5. This condition is a significant risk factor for cardiovascular diseases, including coronary heart disease and atherosclerosis6 7.
Types of Hyperlipidemia
Hyperlipidemia can be broadly classified into two types: primary and secondary. Primary hyperlipidemia is usually familial and caused by genetic abnormalities7 9. Secondary hyperlipidemia results from other conditions or lifestyle factors such as obesity, diabetes mellitus, thyroid dysfunction, and chronic renal failure7 9.
Pathophysiology and Risk Factors
The pathophysiology of hyperlipidemia involves the accumulation of lipids in the blood, which can enter the walls of arteries and increase the risk of atherosclerosis, leading to stroke, heart attack, and other cardiovascular issues6. Risk factors include a sedentary lifestyle, high-fat diet, smoking, and excessive alcohol consumption7 9.
Diagnosis and Measurement
Hyperlipidemia is diagnosed through blood tests that measure the levels of various lipids, including triglycerides, cholesterol, and different lipoprotein fractions2. New techniques have enabled more precise measurements, aiding in the identification of individuals at risk for atherosclerosis before clinical symptoms appear2.
Treatment and Management
The management of hyperlipidemia typically involves lifestyle modifications such as dietary changes, increased physical activity, and weight loss9. Medications like statins, fibrates, niacin, and bile acid sequestrants are commonly used to lower lipid levels5 7. Novel drug therapies, including lanosterol synthase inhibitors and ATP citrate lyase inhibitors, are also being explored for their potential in treating hyperlipidemia5 7.
Conclusion
Hyperlipidemia is a prevalent condition with significant implications for cardiovascular health. Understanding its types, risk factors, and treatment options is crucial for effective management and prevention of associated complications.
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