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Enhanced endothelial activity reflected in cutaneous blood flow oscillations of athletes

Research output: Contribution to journalJournal article

Published

Journal publication date09/2003
JournalEuropean Journal of Applied Physiology
Journal number1-2
Volume90
Number of pages7
Pages16-22
Original languageEnglish

Abstract

Functional alterations of vascular endothelial cells may be evaluated by analysing differences in effects of endothelium-dependent [acetylcholine (ACh)] and endothelium-independent [sodium nitroprusside (SNP)] vasodilators. We evaluated whether a dynamic approach using spectral analysis of the blood flow signal, resulting from the cutaneous red cell flux and recorded by the technique of laser Doppler flowmetry (LDF), can detect higher endothelial responsiveness in trained versus less trained individuals. There was a 1.6 times higher ACh-induced cutaneous perfusion in athletes than in controls (P