Aortic augmentation index: Reference values in a large unselected population by means of the sphygmocor device

Julie H. Janner, Nina S. Godtfredsen, Steen Ladelund, Jørgen Vestbo, Eva Prescott

    Research output: Contribution to journalArticlepeer-review

    Abstract

    BackgroundArterial stiffness and pulse wave reflection are associated with cardiovascular disease (CVD). Pulse wave analyses (PWAs) allow the estimation of the central augmentation index (AIx), a measurement of pulse wave reflection. To understand the predictive role of AIx, reference values for AIx are needed.MethodsThis population study is based on 4,561 subjects from The Copenhagen City Heart Study, an ongoing epidemiological survey started in 1976, including subjects randomly chosen from the population in Copenhagen, Denmark. We calculated and internally validated reference values of AIx measured by the SphygmoCor device in a cohort without known CVD or diabetes, and with low risk of CVD according to HeartScore using gender-specific multiple regression analyses adjusting for age, heart rate, and height.ResultsAIx was significantly higher in women than in men, 30% vs. 22%, (P
    Original languageEnglish
    Pages (from-to)180-185
    Number of pages5
    JournalAmerican Journal of Hypertension
    Volume23
    Issue number2
    DOIs
    Publication statusPublished - Feb 2010

    Keywords

    • AIx
    • Arterial stiffness
    • Augmentation index
    • Blood pressure
    • Cardiovascular disease
    • Epidemiology
    • Hypertension
    • Reference values

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