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Outcomes of Provisional Stenting With Versus Without Side Branch Intervention in Patients With Bifurcation

Clément Servoz1, Anthony Matta2, Vincent Bataille1

  • 1Department of Cardiology, Toulouse University Hospital, Toulouse, France.

The American Journal of Cardiology
|October 23, 2023
PubMed

Insights

For ST-segment elevation myocardial infarction from coronary bifurcation lesions, simple provisional stenting without side branch intervention demonstrated comparable 1-year survival outcomes. This approach showed a low mortality rate, supporting its use in managing these complex coronary artery cases.

Area of Science:

  • Cardiology
  • Interventional Cardiology
  • Vascular Biology

Background:

  • Coronary bifurcation lesions present complex challenges in percutaneous coronary intervention.
  • Optimal strategies for managing side branches during stenting remain debated.
  • ST-segment elevation myocardial infarction (STEMI) necessitates timely and effective treatment.

Purpose of the Study:

  • To compare 1-year survival outcomes between provisional stenting with and without side branch intervention in STEMI patients.
  • To evaluate the impact of additional side branch procedures on mortality.
  • To define parameters guiding intervention in coronary bifurcation lesions.

Main Methods:

  • A cohort study of 132 STEMI patients with large, non-left main coronary bifurcation lesions.
  • Patients were treated with provisional stenting, with or without side branch intervention (ballooning or kissing technique).
  • 1-year survival status was assessed post-discharge.

Main Results:

  • Side branch intervention was performed in 34.1% of patients.
  • Overall 1-year all-cause mortality was 7.8 per 100 person-years.
  • Survival analyses revealed no significant difference in 1-year survival outcomes between groups (HR 1.55; P=.513).

Conclusions:

  • Simple provisional stenting without side branch intervention is a safe and effective strategy for STEMI patients with large coronary bifurcation lesions.
  • This approach is associated with low mortality rates and comparable survival outcomes to more complex interventions.
  • Further research may clarify specific indications for side branch intervention in bifurcation lesions.

Keywords:
STEMIbifurcation lesionprovisional stentingside branchsurvival outcomes

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