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Related Concept Videos

Atherosclerosis III: Management01:26

Atherosclerosis III: Management

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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...
35
Blood Studies for Cardiovascular System III: Serum Lipid Profile01:25

Blood Studies for Cardiovascular System III: Serum Lipid Profile

293
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...
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Lipid-Lowering Drugs: Statins and Miscellaneous Agents01:20

Lipid-Lowering Drugs: Statins and Miscellaneous Agents

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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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Lipids: Dietary Sources and Requirements01:18

Lipids: Dietary Sources and Requirements

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Lipids are an essential component of a balanced human diet. Triglycerides, which make up the majority of dietary lipids, are found in both saturated fats—commonly present in meat, dairy products, and certain tropical plants like coconut, and hydrogenated oils such as margarine and baking shortenings (trans fats)—and unsaturated fats, which are abundant in seeds, nuts, olive oil, and most vegetable oils. The main sources of cholesterol include egg yolks, various meats and organ...
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Coronary Artery Disease IV: Preventive Measures01:26

Coronary Artery Disease IV: Preventive Measures

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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...
32
Cholesterol: Significance and Regulation01:29

Cholesterol: Significance and Regulation

686
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.
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Related Experiment Video

Updated: Sep 11, 2025

Cell-free Biochemical Fluorometric Enzymatic Assay for High-throughput Measurement of Lipid Peroxidation in High Density Lipoprotein
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Low HDL-The Challenge.

Shereif H Rezkalla1, Robert A Kloner Md2

  • 1Emeritus Physician, Marshfield Clinic Health System, 1000 North Oak Avenue, Marshfield, WI 54449, and Adjunct Professor of Medicine, University of Wisconsin, School of Medicine; E-mail: rezkalla.shereif@marshfieldclinic.org rezkalla.shereif@marshfieldclinic.org.

Clinical Medicine & Research
|August 14, 2025
PubMed
Summary
This summary is machine-generated.

Low high-density lipoprotein (HDL) increases coronary artery disease risk. Lifestyle changes and statins can modestly raise HDL, but targeted drugs have failed, suggesting aggressive low-density lipoprotein (LDL) lowering is key.

Keywords:
Atherosclerotic vascular diseaseDyslipidemiaElevated LDLLow HDLManagement

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Area of Science:

  • Cardiology
  • Metabolic Syndrome
  • Lipid Metabolism

Background:

  • High-density lipoprotein (HDL) removes low-density lipoprotein (LDL) via reverse cholesterol transport and possesses anti-inflammatory/antioxidant properties.
  • Low HDL levels are an independent risk factor for coronary artery disease (CAD).
  • Management of low HDL involves lifestyle changes, metabolic syndrome control, and exercise.

Purpose of the Study:

  • To review current strategies for managing low high-density lipoprotein (HDL) levels.
  • To evaluate the efficacy of pharmacological interventions aimed at increasing HDL levels and function.
  • To determine the optimal approach for patients with low HDL and increased cardiovascular risk.

Main Methods:

  • Review of clinical guidelines and landmark studies on HDL management.
  • Analysis of pharmacologic interventions targeting HDL, including cholesteryl ester transfer protein (CETP) inhibitors and apolipoprotein A1 infusion.
  • Evaluation of lifestyle modifications, smoking cessation, and statin therapy effects on HDL levels.

Main Results:

  • Lifestyle modifications like smoking cessation can improve HDL by 5-10%.
  • Statin therapy increases HDL by at least 5% while lowering LDL.
  • Pharmacological attempts to raise HDL via CETP inhibition (dalcetrapib, evacetrapib, anacetrapib) or apolipoprotein A1 infusion have shown limited or no clinical benefit in large trials.

Conclusions:

  • Current pharmacologic strategies to significantly increase HDL and improve cardiovascular outcomes have been unsuccessful.
  • Aggressively lowering low-density lipoprotein (LDL) may be the most effective strategy for patients with low HDL.
  • A comprehensive approach including lifestyle changes and optimal LDL reduction is recommended for managing patients at risk due to low HDL.