Variation in Likelihood of Undergoing Percutaneous Coronary Intervention for ST-Segment-Elevation Myocardial

Ashwin S Nathan1,2, Kevin F Kennedy3, Kriyana P Reddy1

  • 1University of Pennsylvania Philadelphia PA USA.

Insights

Variability exists in percutaneous coronary intervention (PCI) for ST-segment-elevation myocardial infarction (STEMI). Over 3.5% of STEMI patients with culprit lesions did not receive PCI, with some hospitals exceeding 5% non-treatment rates.

Area of Science:

  • Cardiology
  • Interventional Cardiology
  • Public Health

Background:

  • Percutaneous coronary intervention (PCI) is a key treatment for ST-segment-elevation myocardial infarction (STEMI).
  • There is potential variability in PCI utilization for higher-risk STEMI patients.
  • Understanding treatment patterns and hospital-level variations is crucial for optimizing care.

Purpose of the Study:

  • To describe current treatment selection patterns for STEMI patients with culprit lesions.
  • To identify and quantify hospital-level variability in PCI utilization for STEMI.
  • To analyze patient characteristics associated with not undergoing PCI.

Main Methods:

  • Utilized the National Cardiovascular Data Registry (NCDR) Chest Pain-Myocardial Infarction (CPMI) registry.
  • Included 178,984 STEMI patients from 582 US hospitals between January 1, 2019, and March 31, 2023.
  • Compared patient characteristics and outcomes for those who did and did not undergo PCI.

Main Results:

  • Overall, 3.5% (6,180 patients) of STEMI patients with a culprit lesion did not undergo PCI.
  • Patients not receiving PCI were older, more likely to have heart failure, and had a higher incidence of cardiac arrest prior to arrival.
  • Non-PCI patients exhibited significantly higher predicted and observed mortality rates compared to those who received PCI.

Conclusions:

  • Significant variability exists in PCI rates for STEMI patients with culprit lesions across US hospitals.
  • Approximately a quarter of US hospitals reported >5% of STEMI patients not undergoing PCI.
  • Discrepancies between observed and predicted mortality may suggest risk-avoidant treatment behaviors in some cases.
Abstract

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