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Interventional Diagnostic Procedure: A Practical Guide for the Assessment of Coronary Vascular Function
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Interventional Diagnostic Procedure: A Practical Guide for the Assessment of Coronary Vascular Function

Published on: March 15, 2022

Use of stress testing prior to percutaneous coronary intervention in patients with stable coronary artery disease

Grace A Lin1, Rita F Redberg

  • 1Division of General Internal Medicine, University of California, San Francisco, CA, USA.

Expert Review of Cardiovascular Therapy
|September 22, 2009
PubMed

Insights

For stable coronary artery disease, percutaneous coronary interventions (PCI) offer no additional benefit over optimal medical therapy alone. Stress testing before elective PCI is underused, risking unnecessary procedures.

Area of Science:

  • Cardiology
  • Interventional Cardiology

Background:

  • Percutaneous coronary interventions (PCI) are frequently performed for stable coronary artery disease.
  • Optimal medical therapy (OMT) alone has shown equivalent outcomes to OMT plus PCI in recent trials for stable patients.
  • PCI carries inherent risks, necessitating careful patient selection.

Purpose of the Study:

  • To evaluate the necessity and utilization of pre-procedural stress testing for elective percutaneous coronary interventions (PCI).
  • To identify patient subgroups who may benefit from PCI despite stable coronary artery disease.

Main Methods:

  • Review of recent clinical trials comparing OMT with OMT plus PCI for stable coronary artery disease.
  • Analysis of current guidelines regarding pre-PCI ischemia documentation.
  • Assessment of the utilization rates of pre-PCI stress testing.

Main Results:

  • Recent trials indicate no significant difference in morbidity or myocardial infarction risk between OMT and OMT plus PCI for stable coronary artery disease.
  • PCI may offer benefits in specific subgroups with moderate-to-severe ischemia.
  • Pre-PCI stress testing, despite being cost-effective and guideline-recommended, is underutilized.

Conclusions:

  • Elective PCI may be overused in stable coronary artery disease patients who do not demonstrate significant ischemia.
  • Underutilization of pre-PCI stress testing can lead to procedures in patients unlikely to benefit.
  • Improved adherence to ischemia testing protocols is crucial for appropriate PCI utilization.

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