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New Invasive Assessment Measures of Coronary Artery Disease Severity

Neel Khanna1, Kathir S Subramanian, Sahil Khera

  • 1From the Department of Medicine, Division of Cardiology, Westchester Medical Center/New York Medical College, Valhalla, NY.

Cardiology in Review
|January 12, 2016
PubMed

Insights

New invasive technologies for assessing coronary artery disease, like fractional flow reserve and optical coherence tomography, show promise in guiding treatments for ischemic heart disease, but clinical outcomes remain mixed.

Area of Science:

  • Cardiology
  • Interventional Cardiology
  • Medical Technology

Background:

  • Ischemic heart disease (IHD) is a primary global cause of mortality.
  • Recent advancements focus on identifying vulnerable atherosclerotic plaques and hemodynamically significant lesions.
  • Improved assessment and treatment strategies for IHD are crucial.

Purpose of the Study:

  • To review the clinical utility and impact of novel invasive technologies in managing coronary artery disease (CAD).
  • To evaluate the effectiveness of fractional flow reserve (FFR), intravascular ultrasound (IVUS), optical coherence tomography (OCT), and near-infrared spectroscopy (NIRS) in guiding interventions.
  • To assess the influence of these technologies on clinical endpoints such as mortality and revascularization rates.

Main Methods:

  • Systematic review of current literature on advanced invasive CAD assessment tools.
  • Analysis of studies utilizing FFR, IVUS, OCT, and NIRS in patient management.
  • Examination of data correlating technology use with clinical outcomes.

Main Results:

  • These technologies aid in assessing lesion significance and guiding percutaneous coronary interventions (PCI).
  • Evidence suggests improved procedural guidance and lesion characterization.
  • However, observed effects on long-term mortality and revascularization rates are inconsistent.

Conclusions:

  • Advanced invasive imaging and physiology tools offer valuable insights for CAD assessment and PCI guidance.
  • Further research is needed to optimize the application of these technologies for improved clinical outcomes.
  • The ultimate benefit on mortality and revascularization requires continued investigation.

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