FFR-guided multivessel stenting reduces urgent revascularization compared with infarct-related artery only stenting

Ankur Gupta1, Navkaranbir S Bajaj1, Pankaj Arora2

  • 1Heart and Vascular Center, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA.

Insights

Fractional flow reserve-guided (FFR) multivessel stenting significantly reduces repeat revascularization in ST-elevation myocardial infarction (STEMI) patients. This strategy also lowers urgent revascularization rates, though its impact on reinfarction requires further study.

Area of Science:

  • Cardiology
  • Interventional Cardiology
  • Medical Devices

Background:

  • ST-elevation myocardial infarction (STEMI) with multivessel disease presents treatment challenges.
  • Fractional flow reserve (FFR)-guided multivessel stenting has shown superiority over infarct-related artery (IRA)-only stenting.
  • Previous trials were underpowered to assess urgent revascularization or reinfarction outcomes.

Purpose of the Study:

  • To systematically review and meta-analyze randomized controlled trials (RCTs).
  • To evaluate the efficacy of FFR-guided multivessel stenting versus IRA-only stenting in STEMI patients.
  • To assess the impact on death, reinfarction, and urgent/non-urgent repeat revascularization.

Main Methods:

  • Searched major databases (PubMed, EMBASE, Cochrane CENTRAL, Web of Science) for relevant RCTs.
  • Included 2 RCTs comparing FFR-guided multivessel stenting with IRA-only stenting in STEMI patients.
  • Pooled risk ratios (RR) using a random-effects model to determine outcomes.

Main Results:

  • FFR-guided multivessel stenting significantly reduced the composite of death, reinfarction, or revascularization (RR: 0.49).
  • This reduction was primarily driven by decreased urgent (RR: 0.41) and non-urgent (RR: 0.31) repeat revascularization.
  • While reinfarction rates were lower with FFR guidance, the difference was not statistically significant (RR: 0.71).

Conclusions:

  • FFR-guided multivessel stenting is effective in reducing overall and urgent repeat revascularization in STEMI patients.
  • The strategy demonstrates a favorable trend towards reduced reinfarction.
  • Larger trials are needed to definitively assess the effect of FFR-guided stenting on reinfarction rates.
Abstract

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