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Mechanisms, pathophysiology, and therapy of arterial stiffness

Susan J Zieman1, Vojtech Melenovsky, David A Kass

  • 1Department of Medicine, Cardiology Division, National Institute on Aging, Johns Hopkins Medical Institutions, Baltimore, Md, USA. szieman@jhmi.edu

Arteriosclerosis, Thrombosis, and Vascular Biology
|February 26, 2005
PubMed

Insights

Arterial stiffness, a major risk factor for cardiovascular disease, involves structural and cellular changes. Lifestyle modifications and targeted therapies can effectively reduce arterial stiffness and its associated health risks.

Area of Science:

  • Cardiovascular Science
  • Vascular Biology
  • Aging Research

Background:

  • Arterial stiffness is a significant public health concern, increasing the risk of cardiovascular events, dementia, and mortality.
  • Reduced vascular compliance negatively affects blood pressure, blood flow dynamics, cardiac function, and coronary artery perfusion.

Purpose of the Study:

  • To comprehensively review the multifaceted contributors to arterial stiffness.
  • To examine the hemodynamic consequences of increased arterial stiffness.
  • To present evidence-based lifestyle changes and therapeutic strategies for mitigating arterial stiffness.

Main Methods:

  • Literature review of structural, cellular, and genetic factors contributing to arterial stiffness.
  • Analysis of the impact of conditions like atherosclerosis, diabetes, and renal disease on arterial stiffness.
  • Evaluation of hemodynamic alterations resulting from arterial stiffness.
  • Synthesis of data on lifestyle interventions and pharmacological treatments.

Main Results:

  • Key contributors include scaffolding proteins, extracellular matrix remodeling, inflammation, endothelial dysfunction, and oxidative stress.
  • Atherosclerosis, impaired glucose regulation, chronic kidney disease, high salt intake, and neurohormonal imbalances exacerbate arterial stiffness.
  • Hemodynamic changes include altered pulse pressure, wave reflection, and increased cardiac workload.

Conclusions:

  • Arterial stiffness is a complex condition with diverse underlying mechanisms.
  • Lifestyle modifications such as weight loss, exercise, and reduced salt/alcohol intake are crucial.
  • Targeted therapies, including those affecting the renin-angiotensin aldosterone system, natriuretic peptides, and advanced glycation end products, offer promising treatment avenues.

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