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Measuring Ascending Aortic Stiffness In Vivo in Mice Using Ultrasound
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The Clinical Significance and Application of Vascular Stiffness Measurements

Pierre Boutouyrie1,2, Rosa-Maria Bruno2,3

  • 1Pharmacology unit, Hôpital Européen Georges Pompidou, Université Paris Descartes, Paris, France.

American Journal of Hypertension
|October 6, 2018
PubMed

Insights

Aortic stiffness, measured by pulse wave velocity, is a key biomarker for vascular aging and cardiovascular risk. Understanding its physiology and clinical applications can improve cardiovascular event prediction.

Area of Science:

  • Cardiovascular Physiology
  • Vascular Aging Research
  • Biomarker Development

Background:

  • Vascular stiffness, particularly aortic stiffness, is increasingly recognized as a reliable biomarker of vascular aging.
  • It reflects the cumulative impact of cardiovascular risk factors on the vasculature over time.
  • Increased aortic stiffness may act as a disease mechanism, causing microcirculatory damage and promoting cardiovascular events.

Purpose of the Study:

  • To review the fundamental physiological aspects of large artery stiffness.
  • To discuss the current evidence supporting the clinical applications of aortic stiffness measurement.
  • To address open questions limiting the widespread clinical adoption of vascular stiffness assessment.

Main Methods:

  • Review of existing literature on large artery stiffness physiology.
  • Analysis of studies investigating aortic stiffness (measured by pulse wave velocity) as a predictor of cardiovascular events.
  • Evaluation of research on risk reclassification in intermediate-risk individuals using aortic stiffness data.

Main Results:

  • Aortic stiffness serves as an integrated measure of cardiovascular risk factor burden on the vasculature.
  • Elevated aortic stiffness predicts future cardiovascular events.
  • Aortic stiffness measurement can enhance cardiovascular risk reclassification in intermediate-risk populations.

Conclusions:

  • Aortic stiffness is a significant biomarker for vascular aging and cardiovascular risk.
  • Despite its predictive power, further research is needed to address clinical application challenges.
  • Understanding the physiology and clinical utility of aortic stiffness is crucial for advancing cardiovascular medicine.

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