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In summary, we demonstrate that the nicotine content in combustion-free nicotine delivering products may alter vascular function.E-cigarettes and snus should therefore not be considered as harmless recreational products. Mobarrez F, Antoniewicz L, Bosson JA, Kuhl J, Pisetsky DS, Lundbäck M. Fulltext (DOI) Pubmed View record in Web of Science® II.The effects of smoking on levels of endothelial progenitor cells and microparticles in the blood of healthy volunteers. Antoniewicz L, Bosson JA, Kuhl J, Abdel-Halim S, Kiessling A, Mobarrez F, Lundbäck M.
In this double-blinded, randomized, cross-over study arterial stiffness was analyzed at baseline and at predetermined intervals for 4 hours following exposure.
E-cigarette vapor inhalation containing nicotine caused a transient acute increase in heart rate and arterial stiffness.
This elucidates that nicotine alone may alter endothelial function, both upon acute and chronic exposure.
Snus users also display an attenuated effect of glyceryl tri-nitrate which further strengthens the findings that snus use is associated with increased mortality following myocardial infarction.
However, with the public’s increasing awareness of the harm and diseases related directly to cigarette smoke, alternative combustion-free nicotine delivery products have gained in popularity.
Two of the products which have seen substantial market growths during the last few years are Swedish snus and electronic cigarettes.
Snus users had significantly higher arterial stiffness as well as impaired endothelial function, i.e.
decreased forearm blood flow upon glyceryl tri-nitrate infusion.
Cigarette smoking caused an acute increase in endothelial progenitor cells and in microvesicles of platelet, leukocyte and endothelial origin.
Paper II was a randomized, cross-over study where 16 healthy volunteers were exposed to electronic cigarette inhalation with nicotine vs non-inhalation.