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Chronic snus use in healthy males alters endothelial function and increases arterial stiffness

Antoniewicz, Lukasz, Kabele, Mikael, Nilsson, Ulf, Pourazar, Jamshid, Rankin, Gregory, Bosson, Jenny A., Lundbäck, Magnus·2022·PLOS ONE
DOI 10.1371/journal.pone.0268746PMC PMC9165771
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Abstract

Background: Snus usage is commonly touted as a safer alternative to cigarette smoking. However, recent studies have demonstrated possible adverse cardiovascular effects in chronic snus users. The present study evaluates the effects of chronic snus use on vascular function by assessing central arterial stiffness and endothelial vasodilatory function in healthy chronic snus users as compared to matched non-users. Methods and results: Fifty healthy males (24 snus users, 26 age-matched controls) with a mean age of 44 years were included in the study. Arterial stiffness was assessed employing both pulse wave velocity and pulse wave analysis. Endothelial vasodilatory function was measured by venous occlusion plethysmography, utilizing intra-arterial administration of acetylcholine, glyceryl trinitrate and bradykinin to further gauge endothelium-dependent and -independent vasodilatory function. Arterial stiffness was significantly higher in chronic snus users as compared to controls: pulse wave velocity [m/s]: 6.6±0.8 vs 7.1±0.9 resp. (p = 0.026), augmentation index corrected for heart rate [%]: 0.1±13.2 vs 7.3±7.8 resp. (p = 0.023). Endothelial independent vasodilation, i.e. the reaction to glyceryl trinitrate, was significantly lower in snus users as measured by venous occlusion plethysmography. Conclusions: The results of this study show an increased arterial stiffness and an underlying endothelial dysfunction in daily snus users as compared to matched non-tobacco controls. These findings indicate that long-term use of snus may alter the function of the endothelium and therefore reinforces the assertion that chronic snus use is correlated to an increased risk of development of cardiovascular disease.

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Cited by

Sorted by citations

Authors
Antoniewicz, L., Kabele, M., Nilsson, U., Pourazar, J., Rankin, G., Bosson, J. A., & Lundbäck, M.
Venue
PLOS ONE
Publisher
Public Library of Science (PLoS)
Published
2022-06-03
Volume
17
Issue
6
Pages
e0268746
ISSN
1932-6203
DOI
10.1371/journal.pone.0268746
PMC
PMC9165771
Cited by
13
References
3
Language
en
Licence
creativecommons.org/licenses/by/4.0/ (vor)
Funders
  • Hjärt-Lungfonden
  • Stiftelsen Tornspiran
  • Magnus Bergvalls Stiftelse
  • Västerbotten Läns Landsting
  • Karolinska Institutet
  • Stockholms Läns Landsting

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