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Ultrasound Assessment of Endothelial-Dependent Flow-Mediated Vasodilation of the Brachial Artery in Clinical Research
08:42

Ultrasound Assessment of Endothelial-Dependent Flow-Mediated Vasodilation of the Brachial Artery in Clinical Research

Published on: October 22, 2014

Impact of left ventricular ejection fraction on endothelial function in patients with coronary artery disease

Jang-Ho Bae1, Eberhard Bassenge, Moo-Hyun Kim

  • 1Division of Cardiology, College of Medicine, Konyang University Hospital, Daejeon, South Korea. jhbae@kyuh.co.kr

Clinical Cardiology
|July 9, 2004
PubMed

Insights

Systolic heart function, measured by ejection fraction (EF), significantly impacts endothelial function in coronary artery disease (CAD) patients. Higher EF independently correlates with better endothelial function, suggesting its prognostic value in CAD.

Area of Science:

  • Cardiology
  • Vascular Biology
  • Internal Medicine

Background:

  • Endothelial dysfunction is a known complication in patients with coronary artery disease (CAD) and congestive heart failure.
  • Assessing factors influencing endothelial function is crucial for understanding CAD progression.

Purpose of the Study:

  • To investigate the relationship between systolic heart function and endothelial function in patients diagnosed with CAD.
  • To determine if ejection fraction (EF) is a significant predictor of endothelial function in this patient group.

Main Methods:

  • Coronary angiography was performed on 283 consecutive patients (mean age 59 years).
  • Endothelial function was evaluated using flow-mediated vasodilation (FMD) of the brachial artery.
  • Systolic heart function was assessed via echocardiogram to determine ejection fraction (EF).

Main Results:

  • Patients with higher EF (> or = 55%) exhibited significantly better FMD compared to those with lower EF (< 55%).
  • Multivariate analysis identified EF as the sole significant independent predictor of FMD among various clinical factors in CAD patients.
  • A statistically significant correlation was observed between EF and FMD in the overall study cohort (r=0.149, p<0.02).

Conclusions:

  • Ejection fraction (EF) is a critical independent determinant of endothelial function in patients with coronary artery disease (CAD).
  • Endothelial function emerges as an independent prognostic indicator in patients suffering from CAD.
Abstract

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