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Evaluation of Coronary Flow Reserve After Myocardial Ischemia Reperfusion in Rats
06:32

Evaluation of Coronary Flow Reserve After Myocardial Ischemia Reperfusion in Rats

Published on: June 28, 2019

[Coronary artery disease diagnostic with fractional flow reserve]

C Trana1, O Muller, E Eeckhout

  • 1Service de cardiologie, Département de médecine interne, CHUV, 1011 Lausanne. catalina.trana@chuv.ch

Revue Medicale Suisse
|July 2, 2011
PubMed

Insights

Fractional flow reserve (FFR) guides decisions for coronary artery stenosis. Revascularization for stable angina is deferred if FFR is greater than 0.8, improving patient outcomes.

Area of Science:

  • Cardiology
  • Interventional Cardiology
  • Medical Imaging

Context:

  • Fractional flow reserve (FFR) is an invasive diagnostic tool used in cardiac catheterization labs.
  • It assesses the hemodynamic significance of coronary artery blockages when non-invasive tests are inconclusive or unavailable.
  • FFR is valuable in managing intermediate coronary lesions, complex bifurcations, left main stenosis, and multivessel coronary artery disease.

Purpose:

  • To evaluate the role of invasive coronary physiology, specifically FFR, in guiding clinical decision-making for coronary artery disease.
  • To determine the threshold for deferring revascularization procedures based on FFR measurements in patients with stable angina.

Summary:

  • FFR is a pressure-derived index assessing epicardial stenosis severity during cardiac catheterization.
  • Invasive coronary physiology improves outcomes in patients with intermediate single-vessel disease, left main stenosis, complex bifurcations, and multivessel coronary artery disease.
  • Revascularization (PCI or CABG) for stable angina should be deferred if epicardial coronary stenosis has an FFR > 0.8.

Impact:

  • FFR-guided decision-making optimizes treatment strategies for coronary artery disease, potentially reducing unnecessary interventions.
  • Demonstrates favorable outcomes in specific patient subgroups, including those with intermediate lesions and complex coronary anatomy.
  • Establishes a clear FFR threshold (>0.8) for deferring revascularization in stable angina, promoting evidence-based practice.

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