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Differential Effects of E-Cigarette on Microvascular Endothelial Function, Arterial Stiffness and Oxidative Stress: A Randomized Crossover Trial.


ABSTRACT: Propylene glycol and glycerol are electronic cigarettes vehicles allowing liquid vaporization and nicotine transport. The respective effects of these different constituents on the cardiovascular system are unknown. We assessed the differential effects of vehicles (propylene glycol and glycerol) and nicotine on microcirculatory function, arterial stiffness, hemodynamic parameters and oxidative stress. Twenty-five tobacco smokers were exposed to vaping with and without nicotine, and sham vaping, in a randomized, single blind, 3-period crossover design study. Neither sham-vaping nor vaping in the absence of nicotine resulted in modifications of cardiovascular parameters or oxidative stress. In contrast, vaping with nicotine: 1) impaired acetylcholine mediated vasodilation (mean?±?standard error mean) (area under curve, perfusion unit (PU), 3385?±?27PU to 2271?±?27PU, p?

SUBMITTER: Chaumont M 

PROVIDER: S-EPMC6039507 | biostudies-literature | 2018 Jul

REPOSITORIES: biostudies-literature

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Differential Effects of E-Cigarette on Microvascular Endothelial Function, Arterial Stiffness and Oxidative Stress: A Randomized Crossover Trial.

Chaumont Martin M   de Becker Benjamin B   Zaher Wael W   Culié Antoine A   Deprez Guillaume G   Mélot Christian C   Reyé Florence F   Van Antwerpen Pierre P   Delporte Cédric C   Debbas Nadia N   Boudjeltia Karim Zouaoui KZ   van de Borne Philippe P  

Scientific reports 20180710 1


Propylene glycol and glycerol are electronic cigarettes vehicles allowing liquid vaporization and nicotine transport. The respective effects of these different constituents on the cardiovascular system are unknown. We assessed the differential effects of vehicles (propylene glycol and glycerol) and nicotine on microcirculatory function, arterial stiffness, hemodynamic parameters and oxidative stress. Twenty-five tobacco smokers were exposed to vaping with and without nicotine, and sham vaping, i  ...[more]

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