European heart journal · 2026
Aspirin use, lipoprotein(a), and calcific aortic valve disease: the Multi-ethnic Study of Atherosclerosis.
СтатьяНаблюдательное исследованиеМногоцентровое исследованиеНазвание и аннотация: Перевод в очереди
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Razavi Alexander C, Bhatia Harpreet S, Marrero Natalie, Dzaye Omar, Post Wendy S, Nasir Khurram, Tsai Michael, Vaccarino Viola, Vasan Ramachandran S, Thanassoulis George, Tsimikas Sotirios, Sperling Laurence S, Budoff Matthew J, Blumenthal Roger S, Blaha Michael J, Whelton Seamus P
Аннотация
BACKGROUND AND AIMS: Lipoprotein(a) [Lp(a)] and LDL cholesterol (LDL-C) are causally linked to aortic valve calcium (AVC) and aortic stenosis (AS). Lipoprotein(a) has anti-fibrinolytic properties; therefore, aspirin may reduce cardiovascular disease risk among individuals with high Lp(a). This analysis sought to determine the association of aspirin with incident AVC and AS across Lp(a) and LDL-C levels.
METHODS: This observational study included up to 6598 participants in the Multi-Ethnic Study of Atherosclerosis. Aortic valve calcium was measured on non-contrast cardiac computed tomography. Multivariable Cox hazards regression assessed the association of self-reported regular aspirin use (≥3 days/week) with incident AVC and severe AS, stratified by Lp(a) and LDL-C. Aortic valve calcium and Lp(a) values were not reported to participants.
RESULTS: Mean age was 62 years, 53% were women, 23% reported regular aspirin use, 8% developed AVC (median 8.9 years), and 1% developed severe AS (median 16.7 years). Among individuals with elevated Lp(a), regular aspirin use was associated with a lower risk of incident AVC (Lp(a) ≥75 mg/dL: hazard ratio (HR) .42, 95% confidence interval (CI) .19-.93; Lp(a) ≥100 mg/dL: HR .17, 95% CI .04-.67) and severe AS (Lp(a) ≥50 mg/dL: HR .13, 95% CI: .04-.47; Lp(a) ≥75 mg/dL: HR .02, 95% CI .001-.29). For participants with elevated LDL-C, there was no association of regular aspirin use with incident AVC (LDL-C ≥130 mg/dL: HR 1.02, 95% CI .66-1.58; LDL-C ≥160 mg/dL: HR 1.51, 95% CI .53-4.28) or severe AS (LDL-C ≥100 mg/dL: HR .70, 95% CI .39-1.26; LDL-C ≥130 mg/dL: HR .46, 95% CI .14-1.47).
CONCLUSIONS: In this exploratory analysis of prospective observational cohort data, regular aspirin use was associated with a lower risk of AVC and severe AS in persons with high Lp(a), but not high LDL-C. Confirmatory studies are required to determine the role of aspirin in the prevention of AVC and AS for persons with high Lp(a).
METHODS: This observational study included up to 6598 participants in the Multi-Ethnic Study of Atherosclerosis. Aortic valve calcium was measured on non-contrast cardiac computed tomography. Multivariable Cox hazards regression assessed the association of self-reported regular aspirin use (≥3 days/week) with incident AVC and severe AS, stratified by Lp(a) and LDL-C. Aortic valve calcium and Lp(a) values were not reported to participants.
RESULTS: Mean age was 62 years, 53% were women, 23% reported regular aspirin use, 8% developed AVC (median 8.9 years), and 1% developed severe AS (median 16.7 years). Among individuals with elevated Lp(a), regular aspirin use was associated with a lower risk of incident AVC (Lp(a) ≥75 mg/dL: hazard ratio (HR) .42, 95% confidence interval (CI) .19-.93; Lp(a) ≥100 mg/dL: HR .17, 95% CI .04-.67) and severe AS (Lp(a) ≥50 mg/dL: HR .13, 95% CI: .04-.47; Lp(a) ≥75 mg/dL: HR .02, 95% CI .001-.29). For participants with elevated LDL-C, there was no association of regular aspirin use with incident AVC (LDL-C ≥130 mg/dL: HR 1.02, 95% CI .66-1.58; LDL-C ≥160 mg/dL: HR 1.51, 95% CI .53-4.28) or severe AS (LDL-C ≥100 mg/dL: HR .70, 95% CI .39-1.26; LDL-C ≥130 mg/dL: HR .46, 95% CI .14-1.47).
CONCLUSIONS: In this exploratory analysis of prospective observational cohort data, regular aspirin use was associated with a lower risk of AVC and severe AS in persons with high Lp(a), but not high LDL-C. Confirmatory studies are required to determine the role of aspirin in the prevention of AVC and AS for persons with high Lp(a).