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Related Concept Videos

Blood Studies for Cardiovascular System III: Serum Lipid Profile01:25

Blood Studies for Cardiovascular System III: Serum Lipid Profile

Understanding serum lipids is crucial for maintaining cardiovascular health and preventing heart disease and stroke.
Serum lipids are fats and fatty substances in the blood and are crucial for various bodily functions, including energy storage, cellular structure, and hormone production. Serum lipids consist of cholesterol, triglycerides, and phospholipids.
Cholesterol is a soft, fat-like substance found in all body cells. It is crucial for producing hormones, vitamin D, and substances that aid...
Coronary Artery Disease IV: Preventive Measures01:26

Coronary Artery Disease IV: Preventive Measures

Effective preventive measures for coronary artery disease (CAD) focus on controlling modifiable risk factors, including cholesterol abnormalities and lifestyle changes.Cholesterol ManagementFirst, the Mediterranean diet and the American Heart Association advocate for maintaining low-density lipoprotein (LDL) cholesterol levels below 100 mg/dL, with a more stringent recommendation of below 70 mg/dL for individuals at high risk. LDL cholesterol, often termed "bad cholesterol," can lead to the...
Cholesterol: Significance and Regulation01:29

Cholesterol: Significance and Regulation

Although not a source of energy, cholesterol plays a significant role as a foundational structure for bile salts, steroid hormones, and vitamin D, as well as being a crucial component of plasma membranes. Approximately 15% of blood cholesterol is derived from our diet, with the remainder synthesized from acetyl CoA by the liver and intestines. Cholesterol is eliminated from the body through its conversion into bile salts, which are eventually discarded in the feces.
Considering cholesterol and...
Atherosclerosis III: Management01:26

Atherosclerosis III: Management

Management of atherosclerosis involves an integrated strategy encompassing pharmacological treatment, surgical interventions, lifestyle changes, and nutrition therapy to address the multifactorial nature of the disease.Pharmacological TherapyA cornerstone of atherosclerosis management is the use of pharmacological agents. Statins, such as atorvastatin, are pivotal in inhibiting HMG-CoA reductase, an enzyme that catalyzes an initial step in cholesterol synthesis in the liver. This reduction in...
Lipid-Lowering Drugs: Statins and Miscellaneous Agents01:20

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Hyperlipidemia, a medical condition often referred to as high cholesterol, is characterized by abnormally elevated levels of lipids in the bloodstream. When present in excess, these lipids, specifically cholesterol and triglycerides, can lead to serious health complications, often involving cardiovascular diseases. Illnesses like atherosclerosis, heart attacks, and pancreatitis have all been linked to untreated hyperlipidemia. This means controlling and regulating cholesterol and triglyceride...
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Related Experiment Video

Updated: Jun 25, 2026

Differential Effects of Lipid-lowering Drugs in Modulating Morphology of Cholesterol Particles
09:15

Differential Effects of Lipid-lowering Drugs in Modulating Morphology of Cholesterol Particles

Published on: November 10, 2017

High-density lipoprotein cholesterol: current perspective for clinicians.

Thomas F Whayne1

  • 1Gill Heart Institute, University of Kentucky, Lexington, Kentucky 40536, USA. twhayn0@uky.edu

Angiology
|February 26, 2009
PubMed
Summary

High-density lipoprotein cholesterol (HDL-C) elevation may benefit cardiovascular risk, particularly in statin non-responders. While nicotinic acid and newer cholesteryl ester transfer protein inhibitors show promise, tolerability and safety remain key considerations.

Related Experiment Videos

Last Updated: Jun 25, 2026

Differential Effects of Lipid-lowering Drugs in Modulating Morphology of Cholesterol Particles
09:15

Differential Effects of Lipid-lowering Drugs in Modulating Morphology of Cholesterol Particles

Published on: November 10, 2017

Area of Science:

  • Cardiovascular Medicine
  • Pharmacology
  • Lipid Metabolism

Background:

  • High-density lipoproteins (HDL) are traditionally considered cardioprotective, but their role is complex.
  • High-density lipoprotein cholesterol (HDL-C) is a key clinical marker, though its direct impact on cardiovascular risk is debated.
  • A significant portion of patients do not achieve sufficient cardiovascular benefit from statin therapy alone.

Purpose of the Study:

  • To review the role of high-density lipoproteins in cardiovascular risk.
  • To evaluate the efficacy and tolerability of medications that increase HDL-C.
  • To explore the potential of HDL-C modulation in patients unresponsive to statins.

Main Methods:

  • Review of clinical literature and medication trial data concerning HDL-C.
  • Analysis of therapeutic strategies aimed at increasing HDL-C levels.
  • Consideration of patient tolerability and adverse events associated with HDL-C-raising drugs.

Main Results:

  • Nicotinic acid effectively raises HDL-C, potentially reducing cardiovascular risk, but flushing is a common side effect.
  • Laropiprant mitigates nicotinic acid-induced flushing and is approved in Europe.
  • Cholesteryl ester transfer protein (CETP) inhibitors are potent HDL-C elevators; early agents like torcetrapib were withdrawn due to safety concerns, while newer ones like anacetrapib show potential.

Conclusions:

  • Elevating HDL-C may offer significant cardiovascular benefits, especially for the 60% of patients not fully benefiting from statins.
  • Nicotinic acid and CETP inhibitors represent viable therapeutic options for increasing HDL-C, pending further safety and efficacy data.
  • Future research should focus on the clinical utility of HDL-C modulation in diverse patient populations.