Ascending aortic pressure-derived indices are associated with the presence and severity of aortic stenosis

Serkan Cay1, Goksel Cagirci, Ramazan Atak

  • 1Department of Cardiology, Yuksek Ihtisas Heart-Education and Research Hospital, Ankara, Turkey. cayserkan@yahoo.com

Blood Pressure
|February 24, 2010
PubMed

Insights

Ascending aortic pressure indices, including fractional pulse pressure (FPP) and pulsatility index (PI), are linked to calcific aortic stenosis (AS). Higher FPP and PI levels increase AS risk, suggesting blood pressure

Area of Science:

  • Cardiovascular Medicine
  • Hemodynamics
  • Aortic Stenosis Pathophysiology

Background:

  • Atherosclerosis and calcific aortic stenosis (AS) share similar pathophysiological mechanisms.
  • Investigating the link between ascending aortic pressure indices and AS hemodynamics is crucial.

Purpose of the Study:

  • To examine the association between ascending aortic pressure-derived indices and hemodynamic characteristics in calcific AS.
  • To determine if blood pressure plays a role in AS pathogenesis.

Main Methods:

  • A study of 90 patients (26 males, 64 females; mean age 64.4 years) with AS and a control group.
  • Ascending aortic pressure-derived indices were measured via catheterization in both groups.
  • Groups were matched for demographic characteristics.

Main Results:

  • Aortic fractional pulse pressure (FPP) and pulsatility index (PI) were significantly higher in patients with AS.
  • Mean aortic gradient correlated positively with aortic diastolic pressure, FPP, and PI.
  • Elevated FPP and PI levels were independently associated with increased risk of AS.

Conclusions:

  • Ascending aortic pressure-derived indices are significantly associated with the presence and severity of calcific AS.
  • These findings confirm the involvement of blood pressure in the pathogenesis of AS.
Abstract

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