Coronary pressure-derived fractional flow reserve in the assessment of coronary artery stenoses

Nikolaos Kakouros, Frank J. Rybicki, Dimitrios Mitsouras, Julie M. Miller

Research output: Contribution to journalArticlepeer-review

Abstract

Objectives: Catheter-based angiography is the reference-standard to establish coronary anatomy. While routinely employed clinically, lumen assessment correlates poorly with physiological measures of ischaemia. Moreover, functional studies to identify and localise ischaemia before elective angiography are often not available. This article reviews fractional flow reserve (FFR) and its role in guiding patient management for patients with a potentially haemodynamic significant coronary lesion. Methods: This review discusses the theory, evidence, indications, and limitations of FFR. Also included are emerging non-invasive imaging FFR surrogates currently under evaluation for accuracy with respect to standard FFR. Results: Coronary pressure-derived fractional flow reserve (FFR) rapidly assesses the haemodynamic significance of individual coronary artery lesions and can readily be performed in the catheterisation laboratory. The use of FFR has been shown to effectively guide coronary revascularization procedures leading to improved patient outcomes. Conclusions: FFR is an invaluable modality in guiding coronary disease treatment decisions. It is safe, cost-effective and leads to improved patient outcomes. Non-invasive imaging modalities to assess the physiologic significance of CAD are currently being developed and evaluated. Key points: • Coronary pressure-derived fractional flow reserve (FFR) is an important adjunct to angiography. • FFR is an invaluable technique in guiding coronary disease treatment decisions. • FFR is safe, cost-effective and leads to improved patient outcomes. • New directions include CT-based non-invasive conventional FFR surrogates for functional lesion significance.

Original languageEnglish (US)
Pages (from-to)958-967
Number of pages10
JournalEuropean radiology
Volume23
Issue number4
DOIs
StatePublished - Jan 1 2013

Keywords

  • Cardiac CT
  • Coronary artery disease
  • Fractional flow reserve
  • Percutaneous coronary intervention
  • Physiology

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging

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