Association of plasma aldosterone concentration with arterial stiffness progression in hypertensive patients: insights from a longitudinal analysis

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Abstract
Limited studies have examined the relationship between plasma aldosterone concentration (PAC) and arterial stiffness progression. This study aimed to investigate the longitudinal association between baseline PAC and arterial stiffness progression in hypertensive patients. This was a longitudinal study conducted at the Hypertension Center of People's Hospital of Xinjiang Uygur Autonomous Region between April 2020 and October 2023. The study included 1,138 hypertensive patients who had completed two measurements of brachial-ankle pulse wave velocity (baPWV) over the study period. Arterial stiffness was quantified using baPWV, and progression was assessed by the baPWV change rate, calculated as the absolute difference between baseline and follow-up baPWV divided by the follow-up time in years. The primary outcome was the association between baseline PAC and baPWV change rate. Multivariate linear regression analyses indicated that a 10-unit increase in baseline PAC was significantly associated with a 19.60 cm/s/year increase in baPWV change rate (95% CI, 9.93 to 29.21). This association remained significant after adjusting for potential confounders, including age, sex, body mass index, smoking status, systolic and diastolic blood pressure, total cholesterol, and the use of antihypertensive medications. Multivariable restricted cubic splines analysis confirmed a significant dose-response relationship between baseline PAC and baPWW change rate (P for overall trend = 0.002). Higher baseline PAC levels were associated with faster progression of arterial stiffness in hypertensive patients, suggesting a potential role for aldosterone in vascular health. These findings warrant further investigation.
Funding Information
  • Autonomous Region Major Science and Technology Project (2022A03012-2)
  • Tianshan Talent Training Program-Science and Technology Innovation Team (2023TSYCTD0016)

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