Related Experiment Video
Updated: Apr 23, 2026
07:46
Assessing Endothelial Vasodilator Function with the Endo-PAT 2000
Published on: October 15, 2010
45.1K
Exercise modalities and endothelial function: a systematic review and dose-response meta-analysis of randomized
Ammar W Ashor1, Jose Lara, Mario Siervo
1Human Nutrition Research Centre, Institute of Cellular Medicine, Newcastle University, Campus for Ageing and Vitality, Newcastle on Tyne, NE4 5PL, UK, a.w.ashor@newcastle.ac.uk.
Sports Medicine (Auckland, N.Z.)
|October 5, 2014
Summary
Regular exercise significantly improves endothelial function (EF) measured by flow-mediated dilation (FMD). Aerobic exercise intensity and resistance exercise frequency are key factors in enhancing EF through exercise.
Area of Science:
- Cardiovascular Physiology
- Exercise Science
- Endothelial Function Research
Background:
- Regular physical activity is linked to increased nitric oxide (NO) bioavailability.
- Endothelial function (EF) and NO release are commonly assessed using flow-mediated dilation (FMD).
Purpose of the Study:
- To systematically review and meta-analyze the impact of different exercise types (aerobic, resistance, combined) on FMD.
- To identify exercise and participant characteristics that optimize FMD improvements.
Main Methods:
- Conducted a systematic review and meta-analysis of randomized controlled trials (RCTs).
- Included studies with exercise interventions lasting ≥4 weeks in adults (≥18 years).
- Analyzed EF using FMD measurements pre- and post-intervention, employing random-effects models.
Main Results:
- All exercise modalities (aerobic, resistance, combined) significantly improved EF.
- A dose-response relationship was found between aerobic exercise intensity and EF enhancement.
- Higher frequency of resistance exercise, rather than intensity, correlated with improved EF.
Conclusions:
- Exercise, in all its forms, demonstrably enhances endothelial function.
- Aerobic exercise intensity directly correlates with improvements in EF.
- Resistance training frequency is more impactful for enhancing EF than intensity.
Related Concept Videos
01:18Treatment for Pulmonary Arterial Hypertension: Endothelin Receptor Antagonists
603
Endothelins (ETs) are potent vasoactive peptides critical in the human body's various physiological and pathological processes. One of the most promising therapeutic strategies for treating pulmonary arterial hypertension (PAH) involves counteracting the effects of these endothelins using a class of drugs known as endothelin receptor antagonists.
ETs are synthesized through a complex sequence of enzymatic steps, primarily involving an enzyme referred to as endothelin-converting enzyme...
ETs are synthesized through a complex sequence of enzymatic steps, primarily involving an enzyme referred to as endothelin-converting enzyme...
603
01:18Cardiovascular Drugs: Classification based on Therapeutic Indications
4.1K
Cardiovascular diseases, encompassing a range of conditions, can significantly affect the heart's operations and the overall circulatory system. These conditions impair the heart's ability to pump blood, leading to a deficit in oxygen supply to crucial organs. Anomalies in the heart's electrical system, known as arrhythmias, can cause heartbeats to accelerate or slow down. Usually, heart rates increase during physical activity and decrease while resting or sleeping. However,...
4.1K
01:26Atherosclerosis III: Management
634
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...
634
01:20Exercise and Cardiovascular Response
6.4K
Exercise significantly impacts cardiovascular response, which is crucial for understanding patient health and designing effective treatment plans.
Light to moderate physical activity initiates a series of interconnected responses in the body. The heart rate modestly increases in anticipation of the workout, followed by widespread vasodilation as oxygen consumption by skeletal muscles increases. This results in decreased peripheral resistance, increased capillary blood flow, and accelerated...
Light to moderate physical activity initiates a series of interconnected responses in the body. The heart rate modestly increases in anticipation of the workout, followed by widespread vasodilation as oxygen consumption by skeletal muscles increases. This results in decreased peripheral resistance, increased capillary blood flow, and accelerated...
6.4K
01:23Antihypertensive Drugs: Vasodilators
2.5K
Vasodilators, primarily affecting the smooth muscles within arterial and venous walls, are commonly used for hypertension treatment. Medications such as minoxidil and hydralazine primarily target arteries and arterioles, while sodium nitroprusside acts on arterioles and venules. Minoxidil, functioning as a prodrug, is metabolized by hepatic sulfotransferase into its active form, minoxidil sulfate, after oral administration. This metabolite binds to the sulfonylurea receptor (SUR) component of...
2.5K
01:29Pathophysiology of Cardiac Performance
2.1K
Typical heart performance is influenced by heart rate, rhythm, myocardial contraction, and metabolism or blood flow. The cardiac muscle exhibits distinct electrophysiological features, including pacemaker activity and calcium channel control, which play a vital role in the heart's response to various drugs. The autonomic nervous system, comprising the sympathetic and parasympathetic branches, regulates heart rate. Sympathetic activation increases heart rate, while parasympathetic activation...
2.1K