Sex-specific associations of brachial-ankle pulse wave velocity with adverse cardiac remodeling and long-term cardiovascular outcome.
2021
BACKGROUND It remains unclear whether the cardiovascular consequences of arterial stiffness differ by sex. This study aimed to investigate the sex-specific association of brachial-ankle pulse wave velocity (baPWV) with adverse cardiac remodeling and cardiovascular outcome. METHOD We studied 11 767 patients (57.6% men) with cardiovascular risk factors, whose baPWV was measured. The primary endpoint was composite cardiovascular events. Restricted cubic spline (RCS) analyses were performed to delineate the association of baPWV with echocardiography parameters and risks of cardiovascular events. RESULTS RCS curves showed that structural/functional echocardiography parameters gradually worsened with increasing baPWV more prominently in women than in men. The prevalence of left ventricular hypertrophy and diastolic dysfunction increases with baPWV increase more steeply in women (P-for-interaction by sex <0.001). During the median follow-up of 3.64 years (interquartile interval, 1.56-5.38 years), 350 cardiovascular events (3.0%) and 155 deaths (1.3%) occurred. Cumulative cardiovascular events and deaths were significantly higher in patients with elevated baPWV in both sexes (P < 0.001). Cox analyses showed that the increase in baPWV was associated with the higher risks of cardiovascular events and deaths more strongly in women [cardiovascular events: men, adjusted hazard ratio 1.10, 95% confidence interval (1.08-1.13), P < 0.001; women, adjusted hazard ratio 1.18, 95% confidence interval (1.13-1.24), P < 0.001 by 100 cm/s increase in baPWV; P-for-interaction by sex = 0.022]. CONCLUSION The detrimental effects of baPWV on adverse cardiac remodeling and cardiovascular outcome were stronger in women than in men. The prognostic information provided by baPWV may be particularly crucial for women.
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