The use of high frequency ultrasound to evaluate the effect of treadmill exercise on endothelial function with and without antioxidant vitamins

Mary Corretti, Robert A. Vogel, Gary D. Plotnick

Research output: Contribution to journalArticle

Abstract

Brachial artery ultrasound has been employed to evaluate vasomotor responses as an index of endothelial function. Acute exercise appears to be an oxidative stress that affects endothelial function. Using high frequency 7.5mHz ultrasound, we evaluated flow-mediated brachial artery vasoactivity as an index of endothelial function in response to exercise with and without high dose antioxidant vitamins C and E in 19 normal subjects (aged 44 ± 15years). Brachial artery vasoactivity was expressed as percent diameter change from baseline to hyperemic stimulus (1 minute post 5 minute blood pressure cuff arterial occlusion). Flow-mediated vasoactivity decreased from 18 ± 11% to 8 ± 6% (p

Original languageEnglish (US)
Pages (from-to)408
Number of pages1
JournalJournal of the American Society of Echocardiography
Volume10
Issue number4
StatePublished - 1997
Externally publishedYes

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Brachial Artery
Vitamins
Antioxidants
Vitamin E
Ascorbic Acid
Arterial Pressure
Oxidative Stress
Exercise

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging
  • Cardiology and Cardiovascular Medicine

Cite this

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