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  • Title: Brachial-ankle pulse wave velocity in healthy Japanese adolescents: reference values for the assessment of arterial stiffness and cardiovascular risk profiles.
    Author: Sougawa Y, Miyai N, Utsumi M, Miyashita K, Takeda S, Arita M.
    Journal: Hypertens Res; 2020 Apr; 43(4):331-341. PubMed ID: 31853039.
    Abstract:
    Brachial-ankle pulse wave velocity (baPWV) has been used as a simple and convenient method of evaluating arterial stiffness and is considered useful for screening subclinical vascular damage in primary care settings and in large populations. The aim of this study was to determine the reference values of baPWV in adolescents based on age and sex to evaluate and classify vascular abnormalities in this age population. Noninvasive baPWV measurements using an oscillometric device were carried out in 5936 participants aged 12-18 years who had no history of syndromic obesity, hypertension, dyslipidemia, diabetes mellitus, or renal disease. Of these, we extracted data from 4524 healthy adolescents free from atherosclerotic risk factors and constructed sex-specific reference percentiles normalized to age using the LMS method. The baPWV increased with age and was significantly higher in males than in females. Multivariate regression analysis demonstrated that age, body mass index, and blood pressure were the major determinants of baPWV for both males and females. Among a sample of 3825 adolescents, including individuals with risk factors, the prevalence of central obesity, raised blood pressure, raised triglycerides, reduced high-density lipoprotein cholesterol, and impaired fasting glycemia significantly increased along with the standardized baPWV z-score level. In addition, there was a graded nature regarding the association between the baPWV z-score and the clustering number of the metabolic syndrome components. These results suggest that the proposed reference values of baPWV could help classify vascular abnormalities of adolescents caused by the presence of risk factors and thereby contribute to determining individuals with cardiovascular risk in this age population.
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