Please cite this article as: QIN Q, FAN FF, LIU MY, LIU B, JIA J, ZHANG L, LI YX, JIANG YM, SUN PF, HE DM, LI JP, CHEN M, ZHENG B, ZHANG Y. Sex modification of the association of the radial augmentation index and incident hypertension in a Chinese community-based population. J Geriatr Cardiol 2021; 18(1): 39−46. DOI: 10.11909/j.issn.1671-5411.2021.01.003.
Citation: Please cite this article as: QIN Q, FAN FF, LIU MY, LIU B, JIA J, ZHANG L, LI YX, JIANG YM, SUN PF, HE DM, LI JP, CHEN M, ZHENG B, ZHANG Y. Sex modification of the association of the radial augmentation index and incident hypertension in a Chinese community-based population. J Geriatr Cardiol 2021; 18(1): 39−46. DOI: 10.11909/j.issn.1671-5411.2021.01.003.

Sex modification of the association of the radial augmentation index and incident hypertension in a Chinese community-based population

  •  BACKGROUND Arterial stiffness, as assessed by aortic ultrasound and pulse wave velocity, is associated with incident hypertension. However, there is still no consensus on whether the augmentation index (AI) affects new onset of hypertension. This study investigated the relationship of radial AI (rAI) and incident hypertension in a Chinese community-based population without hypertension at baseline.
     METHOD A total of 1,615 Chinese non-hypertensive participants from an atherosclerosis cohort in Beijing, China were included in our analysis. Baseline rAI normalized to heart rate of 75 beats/min (rAIp75) was obtained using HEM-9000AI. New-onset hypertension was defined as blood pressure ≥ 140/90 mmHg or self-reported hypertension or taking anti-hypertensive medications at the follow up survey. Multivariate regression models were used to evaluate the impact of rAIp75 on the risk of new-onset hypertension.
     RESULTS After a mean 2.35-year follow-up, 213 (13.19%) participants developed incident hypertension. No significant relation between rAIp75 and incident hypertension was observed in the whole population after adjustment for possible confounders (adjusted odds ratio (OR) and 95% confidence interval (CI): 1.09 0.95−1.27; P = 0.2260). However, rAIp75 was significantly associated with incident hypertension in women, but not in men (adjusted OR and 95% CI: 1.29 1.06−1.56, P = 0.0113 for women; 0.91 0.72−1.15, P = 0.4244 for men; P for interaction = 0.0133).
     CONCLUSIONS Sex modified the effect of the rAI on incident hypertension in a Chinese, community-based, non-hypertensive population. Screening of the rAI could be considered in women with a high risk of hypertension for the purpose of primary intervention.
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