Appropriateness of coronary revascularization for patients without acute coronary syndromes

Edward L Hannan1, Kimberly Cozzens, Zaza Samadashvili

  • 1University at Albany, State University of New York, Albany, NY 12144, USA. elh03@health.state.ny.us

Insights

Coronary revascularization appropriateness varies significantly. While most coronary artery bypass graft (CABG) surgeries were appropriate, a substantial portion of percutaneous coronary interventions (PCI) were inappropriate or lacked sufficient data for rating.

Area of Science:

  • Cardiology
  • Health Services Research
  • Interventional Cardiology

Background:

  • The American College of Cardiology Foundation (ACCF) and other societies developed joint appropriateness criteria for coronary revascularization.
  • These criteria aim to guide the appropriate use of procedures like PCI and CABG.

Purpose of the Study:

  • To evaluate the appropriateness of percutaneous coronary intervention (PCI) and coronary artery bypass graft (CABG) surgery in New York.
  • Focus on patients without acute coronary syndrome (ACS) or prior CABG surgery.

Main Methods:

  • Utilized data from New York patients who underwent CABG or PCI without ACS/prior CABG in 2009-2010.
  • Assessed procedure appropriateness based on ACCF criteria.
  • Examined inter-hospital variation in inappropriateness ratings.

Main Results:

  • For CABG (n=8,168 rated patients), 90.0% were appropriate, 1.1% inappropriate, and 8.6% uncertain.
  • For PCI (n=33,970 eligible), 28% lacked sufficient data for rating.
  • Among rated PCI patients, only 36.1% were appropriate, while 14.3% were inappropriate and 49.6% uncertain.
  • Inappropriate PCI cases often involved 1-2 vessel disease without proximal LAD involvement and minimal medical therapy.

Conclusions:

  • CABG appropriateness was high (1% inappropriate) for patients without ACS/prior CABG.
  • PCI appropriateness was considerably lower (14% inappropriate) in the same patient group.
  • A significant proportion of PCI patients (28%) lacked adequate noninvasive testing data for appropriateness assessment.
Abstract

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