Cumulative Blood Pressure in Early Adulthood and Coronary Artery Calcium and Carotid Intima-Media Thickness in Middle Age Among Adults With Maintained Blood Pressure of <130/80 mm Hg: A Post Hoc Analysis

Overview

Journal J Am Heart Assoc

Specialty Cardiology & Vascular Diseases

Date 2023 Dec 8

PMID 38063213

Authors

Soroush Masrouri

Siamak Afaghi

Davood Khalili

Michael D Shapiro

Farzad Hadaegh

Affiliations

Soon will be listed here.

Abstract

Background: To examine the association of blood pressure (BP) levels with coronary artery calcium and carotid intima-media thickness (CIMT) in people with maintained BP below the hypertension range based on current definitions.

Methods And Results: In this post hoc analysis of the CARDIA (Coronary Artery Risk Development in Young Adults) prospective observational cohort study conducted in 4 US cities, we examined 1233 study participants (mean [SD] age at year 20 examination was 45.3 [3.5] years; 65.4% women). Participants with BP assessments across 20 years and untreated BP of <130/80 mm Hg were included. Multivariable logistic or linear regression models, adjusted for age, sex, race, education, diabetes, body mass index, serum creatinine, smoking, alcohol intake, physical activity, high-density lipoprotein cholesterol, low-density lipoprotein cholesterol, and triglycerides, were used to examine the associations between cumulative BP measures with coronary artery calcium and CIMT. Higher long-term cumulative systolic BP and pulse pressure across early adulthood were associated with higher CIMT (both <0.001) but not coronary artery calcium in the multivariable-adjusted model. The associations remained significant even after adjustment for a single BP measurement at year 0 or year 20. The odds ratio (OR) of a maximal CIMT >1.01 mm was ≈50% higher per 1-SD increase in systolic BP (OR, 1.50 [95% CI, 1.19-1.88]) and pulse pressure (OR, 1.46 [95% CI, 1.19-1.79]). Similar findings for CIMT were observed among individuals with a coronary artery calcium score of 0 as well as those with maintained BP of <120/80 mm Hg throughout young adulthood.

Conclusions: Long-term cumulative systolic BP and pulse pressure across early adulthood within the nonhypertensive range were associated with adverse midlife alterations in CIMT.

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