Related Experiment Video

Updated: Aug 10, 2026

Ultrasound Assessment of Endothelial-Dependent Flow-Mediated Vasodilation of the Brachial Artery in Clinical Research
08:42

Ultrasound Assessment of Endothelial-Dependent Flow-Mediated Vasodilation of the Brachial Artery in Clinical Research

Published on: October 22, 2014

Improvement in endothelium-dependent brachial artery flow-mediated vasodilation with low-density lipoprotein

M Shechter1, M Sharir, M J Labrador

  • 1Department of Medicine, Cedars-Sinai Medical Center and the UCLA School of Medicine, Los Angeles, California 90048, USA. shechtes@netvision.net.il

The American Journal of Cardiology
|November 25, 2000
PubMed

Insights

Lowering low-density lipoprotein (LDL) cholesterol to below 100 mg/dl improved blood vessel function in patients with coronary artery disease. This finding supports current National Cholesterol Education Program guidelines for LDL cholesterol targets.

Area of Science:

  • Cardiovascular Medicine
  • Clinical Lipidology

Background:

  • Endothelium-dependent vasodilation is crucial for cardiovascular health.
  • Current National Cholesterol Education Program (NCEP) guidelines recommend specific low-density lipoprotein (LDL) cholesterol targets for patients.

Purpose of the Study:

  • To evaluate the relationship between NCEP cholesterol recommendations and endothelium-dependent vasodilation.
  • To assess if achieving NCEP targets for LDL cholesterol is associated with improved vascular function.

Main Methods:

  • Prospective assessment of brachial artery vasoreactivity.
  • Study included 50 patients diagnosed with stable coronary artery disease.

Main Results:

  • Endothelium-dependent vasoreactivity was significantly greater in patients with LDL cholesterol levels below 100 mg/dl.
  • This suggests a direct correlation between lower LDL cholesterol and better endothelial function.

Conclusions:

  • Achieving an LDL cholesterol level below 100 mg/dl, the NCEP Adult Treatment Panel II target, may be beneficial for endothelial function.
  • The findings support the clinical relevance of NCEP guidelines in improving vascular health in CAD patients.

More Related Videos

Ultrasound Assessment of Endothelial Function: A Technical Guideline of the Flow-mediated Dilation Test06:35

Ultrasound Assessment of Endothelial Function: A Technical Guideline of the Flow-mediated Dilation Test

Published on: April 27, 2016

Cell-free Biochemical Fluorometric Enzymatic Assay for High-throughput Measurement of Lipid Peroxidation in High Density Lipoprotein07:29

Cell-free Biochemical Fluorometric Enzymatic Assay for High-throughput Measurement of Lipid Peroxidation in High Density Lipoprotein

Published on: October 12, 2017

Related Concept Videos

Lipid-Lowering Drugs: Statins and Miscellaneous Agents01:20

Lipid-Lowering Drugs: Statins and Miscellaneous Agents

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...
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...
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 II: Pathophysiology01:26

Coronary Artery Disease II: Pathophysiology

Coronary Artery Disease (CAD) originates from a series of events that impair the function of coronary arteries, the blood vessels responsible for delivering oxygen-rich blood to the heart muscle. The pathophysiology of CAD is closely linked to atherosclerosis, a chronic inflammatory and lipid-driven condition affecting the vascular endothelium.1. Endothelial DamageThe process begins with damage to the vascular endothelium, which serves as a protective barrier between the blood and the vessel...
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...
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...