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Volume 18 Supplement 1

19th Annual SCMR Scientific Sessions

Age-related association of aortic arch pulse wave velocity assessed by MRI with incident cardiovascular events: the multi-ethnic study of atherosclerosis (MESA)


The carotid-femoral pulse wave velocity (PWV) assessed by tonometry is predictive of future cardiovascular disease (CVD) events; however, the predictive value of aortic arch PWV assessed by MRI for CVD events has not been established in the general population. The aim of the present study was to evaluate the association of arch PWV with incident CVD events over 10 years based on the Multi-Ethnic Study of Atherosclerosis (MESA).


Aortic arch PWV was measured using through-plane aortic flow from phase contrast (PC) cine MRI at the level of the pulmonary artery bifurcation for transit time and black-blood sagittal images for transit length at baseline in 3,527 MESA participants free of overt CVD. Cox regression was used to evaluate the risk of incident CVD in relation to arch PWV adjusted for age, gender, race, and CV risk factors. Arch PWV were logarithmically transformed for COX regression models due to its right-skewed distribution (logPWV). There was significant interaction between arch PWV and age for outcomes, so analysis was repeated in each age decade (45-54, 55-64, 65-74, 75-84 years).


At baseline, participants were 62 ± 10 years of age; 53% women, 36% White, 15% Chinese, 29% African American, 20% Hispanic, and 45% had hypertension. The median value of arch PWV was 7.4 (IQR; 5.6 to 10.2) m/s. There were 427 CVD events over the 10-year follow-up. There was no significant association of PWV with incident CVD in all participants after adjustment for CVD risk factors. Stratifying by age groups, only 45-55-year-old participants had significant association of arch PWV with incident CVD in multivariable analysis (HR, 1.47; 95% confidence interval (CI), 1.10-1.97; p = 0.009), whereas other age groups did not (Table 1).

Table 1 Hazard Ratios of the logPWV for Cardiovascular Events Stratified by Age Groups no. of events


Aortic arch PWV assessed by MRI is a significant predictor of CVD events among middle-age (45 to 54 years old) individuals, whereas arch PWV is not associated with CVD among elderly in a large multi-ethnic population.

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Correspondence to Yoshiaki Ohyama.

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Ohyama, Y., Venkatesh, B.A., Noda, C. et al. Age-related association of aortic arch pulse wave velocity assessed by MRI with incident cardiovascular events: the multi-ethnic study of atherosclerosis (MESA). J Cardiovasc Magn Reson 18, P132 (2016).

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  • Pulse Wave Velocity
  • Incident Cardiovascular Event
  • Future Cardiovascular Disease
  • Pulmonary Artery Bifurcation
  • Mesa Participant