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Am J Hypertens. 2016 Nov 01;29(11):1268-1275. doi: 10.1093/ajh/hpv189. Epub 2015 Dec 10.

Smoking Behaviors and Arterial Stiffness Measured by Pulse Wave Velocity in Older Adults: The Atherosclerosis Risk in Communities (ARIC) Study.

American journal of hypertension

Ricky Camplain, Michelle L Meyer, Hirofumi Tanaka, Priya Palta, Sunil K Agarwal, David Aguilar, Kenneth R Butler, Gerardo Heiss

Affiliations

  1. University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA; [email protected].
  2. University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA;
  3. University of Texas at Austin, Austin, Texas, USA;
  4. Johns Hopkins University, Baltimore, Maryland, USA;
  5. Baylor College of Medicine, Houston, Texas, USA;
  6. University of Mississippi Medical Center, Jackson, Mississippi, USA.

PMID: 26657706 PMCID: PMC5055735 DOI: 10.1093/ajh/hpv189

Abstract

BACKGROUND: Though smoking is strongly associated with peripheral vascular disease and arteriosclerosis, smoking's association with arterial stiffness has been inconsistent and mostly limited to a single arterial segment. We examined the relationship between smoking behaviors with arterial stiffness in multiple arterial segments among community dwelling older adults.

METHODS: The cross-sectional relationship between smoking behavior with carotid-femoral (cfPWV) and femoral-ankle pulse wave velocity (faPWV) was examined in 5,002 men and women, separately, of the Atherosclerosis Risk in Communities (ARIC) cohort study. Brachial-ankle PWV was also assessed and presented in Supplementary Material. Heckman selection models were used to control for selective attrition and death in the ARIC cohort.

RESULTS: In women, faPWV was lower in current smokers compared to never smokers (-66.0cm/s; 95% confidence interval (95% CI): -94.6, -37.4), and was 1.0cm/s lower (95% CI: -1.8, -0.2) for every additional year a woman smoked, after adjustment for confounders. Among women, cfPWV was not associated with smoking status or cigarette pack-years. Additionally, no associations of smoking status and cigarette pack-years with PWV were observed among men. Years since smoking cessation was not associated with PWV in either gender.

CONCLUSION: Both smoking status and cumulative smoking exposure were associated with lower peripheral arterial stiffness among women, but not among men. We did not observe an association between central arterial stiffness and smoking status in either gender. The profound and well-documented adverse effects of cigarette smoking on the vasculature may not include a sustained stiffening of the arteries measured at older age.

© American Journal of Hypertension, Ltd 2015. All rights reserved. For Permissions, please email: [email protected].

Keywords: arterial stiffness; arteriosclerosis; blood pressure; central and peripheral arterial stiffness; health behavior; hypertension; smoking; smoking cessation; subclinical cardiovascular disease.

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