Relation between ascending aortic pressures and outcomes in patients with angiographically demonstrated coronary

Julio A Chirinos1, Juan P Zambrano, Simon Chakko

  • 1University of Miami School of Medicine, Miami, Florida, USA. jchirinos@med.miami.edu

Insights

Higher aortic pulse pressure increases the risk of death and major adverse cardiovascular events (MACEs). Lower diastolic blood pressure (BP) is linked to higher MACE risk, especially in severe coronary artery disease patients.

Area of Science:

  • Cardiology
  • Vascular Physiology
  • Clinical Medicine

Background:

  • Ascending aortic pressures are critical hemodynamic parameters.
  • Understanding their association with cardiovascular outcomes is essential for risk stratification.

Purpose of the Study:

  • To investigate the relationship between ascending aortic pressures and the risk of all-cause mortality and major adverse cardiovascular events (MACEs).

Main Methods:

  • Prospective follow-up of 324 men undergoing coronary angiography for 1,161 days.
  • Analysis of ascending aortic pressures (pulse pressure, diastolic BP) and their correlation with MACEs and mortality.

Main Results:

  • Aortic pulse pressure significantly predicted MACEs (HR 1.09) and all-cause mortality (HR 1.18).
  • Diastolic blood pressure inversely correlated with MACEs (HR 0.85) and mortality (HR 0.76).
  • Lower diastolic BP risk was more pronounced in triple-vessel coronary artery disease.

Conclusions:

  • Ascending aortic pulse pressure is an independent predictor of adverse cardiovascular outcomes.
  • Diastolic blood pressure is a significant inverse predictor of MACEs and mortality.

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