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Updated: Mar 25, 2026

Ultrasound Assessment of Endothelial Function: A Technical Guideline of the Flow-mediated Dilation Test
Published on: April 27, 2016
Study of endothelial function response to exercise training in hypertensive individuals (SEFRET): study protocol for
Marinei Lopes Pedralli1,2, Gustavo Waclawovsky3, Augusto Camacho4
1Laboratório de Investigação Clínica, Instituto de Cardiologia / Fundação Universitária de Cardiologia - ICFUC, Av. Princesa Isabel, 395. Bairro Santana, 90620 001, Porto Alegre, RS, Brazil. marinei.lopespedralli@gmail.com.
This study compares aerobic, resistance, and combined exercise training effects on endothelial function in individuals with systemic arterial hypertension (SAH). Results will inform exercise prescriptions for vascular protection.
Area of Science:
- Cardiovascular Physiology
- Exercise Science
- Hypertension Research
Background:
- Endothelial dysfunction is a key indicator in diabetes mellitus, systemic arterial hypertension (SAH), and early atherosclerosis.
- Aerobic exercise is known to improve endothelial function, but effects of resistance or combined training are less understood.
- This study investigates exercise interventions for vascular health in hypertensive individuals.
Purpose of the Study:
- To determine the impact of 12-week aerobic (AT), resistance (RT), or combined (CT) training on endothelial function in SAH patients.
- To assess the effects of these exercise programs on blood pressure.
- To provide evidence for exercise prescription for vascular protection in hypertension.
Main Methods:
- Eighty-one SAH patients (18-70 years) were randomized into AT, RT, or CT groups.
- Interventions included 12 weeks of specific exercise protocols (aerobic, resistance, or combined).
- Measurements included blood pressure, flow-mediated dilation, and circulating endothelial cells/microparticles.
Main Results:
- (Results not yet available as this is a study design abstract)
Conclusions:
- Expected to demonstrate cardiovascular benefits of different exercise types via endothelial function modulation in hypertensive individuals.
- Findings will guide exercise program design for vascular protection in SAH.
- Quantifying improvements in vasodilation will support evidence-based exercise recommendations.
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