Increased arterial stiffness is linked to cardiovascular disease development, particularly in black populations. Since detrimental health behaviors in young adults may affect arterial stiffness, we determined whether arterial stiffness associates with specific health behaviors, and whether it is more pronounced in young healthy black compared to white adults. We included 373 participants (49% black, 42% men) aged 20–30 years. Mean arterial pressure was higher for blacks than whites (P < .001), but carotid-femoral pulse wave velocity was similar (6.37 vs. 6.36 m/s; P = .89) after adjustment for mean arterial pressure. The black group had higher gamma-glutamyltransferase (GGT) (P < .001), cotinine, reactive oxygen species, interleukin-6, and monocyte-chemoattractant protein-1 (all P ≤ .017). Pulse wave velocity related positively and independently to GGT in both groups before and after multiple adjustments (both β = 0.15; P ≤ .049). Blacks had an unfavorable vascular profile and higher GGT, possibly indicating a higher vulnerability to cardiovascular disease development, including changes in arterial stiffness. However, this observation needs confirmation.

Direct Link: https://doi.org/10.1016/j.jash.2016.07.006

Journal: Journal of the American Society of Hypertension. 2016 Oct 1;10(10):772-81

Keywords: ethnicity, health behaviour, Physical Activity, pulse wave velocity, young adults,

Applications: Physical Activity,

CamNtech Reference: AH16034

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