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Biomarkers of hemodynamic stress and aortic stiffness after STEMI: a cross-sectional analysis

Sebastian Johannes Reinstadler1, Hans-Josef Feistritzer1, Gert Klug1

  • 1University Clinic of Internal Medicine III, Cardiology and Angiology, Medical University of Innsbruck, Anichstraße 35, 6020 Innsbruck, Austria.

Disease Markers
|May 12, 2015
PubMed

Insights

Biomarkers of hemodynamic stress, particularly N-terminal pro-B-type natriuretic peptide (NT-proBNP), are linked to increased aortic stiffness in patients post-ST-segment elevation myocardial infarction (STEMI). These markers may predict high aortic stiffness after STEMI.

Area of Science:

  • Cardiovascular Medicine
  • Biomarker Research
  • Medical Imaging

Background:

  • Increased aortic stiffness is associated with adverse cardiac outcomes.
  • Hemodynamic stress biomarkers may reflect cardiac alterations post-STEMI.

Purpose of the Study:

  • To investigate the relationship between hemodynamic stress biomarkers and aortic stiffness.
  • To assess these associations in the chronic phase after ST-segment elevation myocardial infarction (STEMI).

Main Methods:

  • Cross-sectional study of 54 patients 4 months post-STEMI.
  • Measured N-terminal pro-B-type natriuretic peptide (NT-proBNP), MR-proANP, and MR-proADM.
  • Assessed aortic stiffness using pulse wave velocity via cardiovascular magnetic resonance.

Main Results:

  • All measured biomarkers (NT-proBNP, MR-proANP, MR-proADM) correlated with aortic stiffness.
  • NT-proBNP and MR-proADM independently predicted aortic stiffness.
  • NT-proBNP demonstrated the strongest predictive value for high aortic stiffness (AUC 0.82).

Conclusions:

  • Hemodynamic stress biomarkers, especially NT-proBNP, correlate with aortic stiffness post-STEMI.
  • These biomarkers may serve as predictors of increased aortic stiffness in STEMI survivors.
Abstract

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