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Multicenter Study
. 2026 Jan 30;27(1):1-9.
doi: 10.1093/ehjci/jeaf279.

Impact of age on aortic valve calcium progression and risk for aortic stenosis: multi-ethnic study of atherosclerosis

Natalie Marrero  1 , Kunal Jha  2 , Jelani Grant  3 , Alexander C Razavi  4 , Matthew J Budoff  5 , Sanjiv J Shah  6 , Jerome I Rotter  7 , Roger S Blumenthal  3 , Wendy S Post  3 , Leslee J Shaw  8 , George Thanassoulis  9 , Michael J Blaha  3 , Seamus P Whelton  3
Affiliations
Multicenter Study

Impact of age on aortic valve calcium progression and risk for aortic stenosis: multi-ethnic study of atherosclerosis

Natalie Marrero et al. Eur Heart J Cardiovasc Imaging. .

Abstract

Aims: Aortic valve calcium (AVC) is strongly associated with the risk for severe aortic stenosis (AS). The prevalence of AVC increases with age, but the impact of age on the progression of AVC and its association with moderate-severe AS is unknown.

Methods and results: Our study included 6810 participants (52.9% women) without overt cardiovascular disease between ages 45 and 84 from the Multi-Ethnic Study of Atherosclerosis. AVC was measured using non-contrast cardiac CT at Visit 1. Progression was calculated as the change in AVC divided by years between CT scans (2-10 years). Incident moderate-severe AS was adjudicated using medical chart review and echocardiogram data from Visit 6 (median follow-up of 16 years). The association between AVC and moderate-severe AS was assessed using multivariable adjusted Cox proportional hazards ratios. There were 5899 participants with AVC = 0 and 911 with AVC >0. There were 3834 participants age <65 years and 2979 age ≥65 years. The median AVC was 34.1 AU (IQR 13-1113) for participants <65 vs. 69.0 AU (IQR 23-2453) for participants ≥65. Participants <65 and ≥65 years had no significant difference in median annualized AVC progression within the baseline AVC categories of 1-99 (10 vs. 12 AU/year, P = 0.303) and AVC ≥100 (50 vs. 47 AU/year, P = 0.846). AVC >0 was associated with a similar significantly higher risk of incident moderate-severe AS for both younger (HR 13.37; 95% CI 5.67-31.52) and older participants (HR 10.59, 95% CI 6.77-16.56).

Conclusion: AVC progression was significantly associated with baseline AVC burden and was similar for younger vs. older persons after accounting for baseline AVC. The presence of AVC was significantly associated with a higher long-term risk for moderate-severe AS among both younger and older participants.

Keywords: age; aortic stenosis; aortic valve calcium; cardiac computed tomography; incidence.

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Conflict of interest statement

Conflict of interest: None declared.

Figures

Figure 1.
Figure 1.
Age specific incidence of moderate-severe AS by AVC categories per 1,000 person-years follow-up
Figure 2.
Figure 2.
Kaplan-Meier curve: survival free from moderate-severe AS stratified by age and AVC category
Figure 3.
Figure 3.
Association of aortic valve calcium with incident moderate-severe aortic stenosis stratified bv age
CENTRAL ILLUSTRATION:
CENTRAL ILLUSTRATION:
Impact of age on aortic valve calcium progression and risk for aortic stenosis: Multi-Ethnic Study of Atherosclerosis
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