Cohort study

Do Percutaneous Coronary Intervention (PCI) Facility Openings and Closures Affect AMI Outcomes Differently in High- vs Average-Capacity Markets?

JACC Cardiovasc IntervPublished

  • Retrospective cohort study
  • community fixed-effects regression models

Authors' conclusion

After openings, patients in average-capacity markets derived significant benefits, whereas those in high-capacity markets did not.

Study context

Population
Patients with acute MI in zip code communities, PCI hospital availability within 15-minute drive, 2006–2017
Exposure
Average-capacity markets vs High-capacity markets

Main finding

As reported in the abstract

Outcomes after PCI hospital opening

Experienced opening within 15-minute drive

OutcomeAverage-capacity marketsHigh-capacity markets
Change in admission to high-volume PCI facility2.6 percentage point decrease11.6 percentage point decrease
Same-day revascularization5.5% relative increaseNot reported in the abstract
In-hospital revascularization7.6% relative increaseNot reported in the abstract
Mortality2.5% decreaseNot reported in the abstract

Observational data: associations, not effects.

Further findings

Outcomes after PCI hospital closure

Admission to high-volume PCI hospitals
10.4% relative increase
Receipt of same-day PCI
1.4 percentage point decrease

Original publication

Do PCI Facility Openings and Closures Affect AMI Outcomes Differently in High- vs Average-Capacity Markets? JACC Cardiovasc Interv. Published 3 May 2023. doi:10.1016/j.jcin.2023.02.010

Summarised from the published abstract; every number is checked against it