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Calcific aortic stenosis: a disease of the valve and the myocardium

Marc R Dweck1, Nicholas A Boon, David E Newby

  • 1Centre for Cardiovascular Science, Edinburgh University, Edinburgh, United Kingdom. mdweck@staffmail.ed.ac.uk

Journal of the American College of Cardiology
|October 16, 2012
PubMed

Insights

Aortic stenosis, a common heart valve disease, lacks treatments to slow its progression. Understanding its pathophysiology, including inflammation and fibrosis, is key to developing new therapies for this condition.

Area of Science:

  • Cardiovascular Medicine
  • Pathophysiology
  • Medical Research

Background:

  • Aortic stenosis (AS) is a prevalent cardiovascular disease causing significant morbidity, mortality, and healthcare costs.
  • Current medical interventions cannot effectively delay or halt the progression of aortic stenosis.
  • A comprehensive re-evaluation of AS pathophysiology is crucial for developing novel therapeutic strategies.

Observation:

  • AS is characterized by progressive narrowing of the aortic valve and secondary left ventricular hypertrophy.
  • These dual processes are critical drivers of symptoms and adverse events in advanced stages of AS.
  • The review focuses on valve-specific pathophysiology, including inflammation, fibrosis, and calcification.

Findings:

  • Inflammation, fibrosis, and calcification are key contributors to progressive aortic valve narrowing.
  • The review details the development of left ventricular hypertrophy, its decompensation, and transition to heart failure.
  • Similarities between AS and other pathological conditions offer insights into potential therapeutic avenues.

Implications:

  • Understanding the intricate pathophysiology of AS can guide the development of targeted medical interventions.
  • Identifying shared pathological mechanisms may reveal repurposed or novel therapeutic strategies for AS.
  • This review provides a foundation for future research aimed at disease modification in aortic stenosis.

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