Coronary disease & ACSMeta-analysis

Validation of Intravascular Ultrasound–Defined Optimal Stent Expansion Criteria for Favorable 1-Year Clinical Outcomes

JACC Cardiovasc IntervPublished

  • Individual patient data meta-analysis of randomised trials

Authors' conclusion

Post-PCI stent expansion meeting an absolute criterion of MSA >5.5 mm2 was associated with the most favorable clinical outcomes.

Study context

Population
Patients undergoing percutaneous coronary intervention (PCI) in 3 RCTs (IVUS-XPL, ULTIMATE, IVUS-ACS)
Participants
6,290 patients · 3 RCTs
Comparison
Intravascular ultrasound (IVUS)-optimized PCI vs IVUS-nonoptimized PCI vs angiography-guided PCI
  • Angiography-guided PCIn = 3,208reference
Outcome
TVF (cardiac death, target vessel MI or target vessel revascularization)
Follow-up
1 year

Pooled result

As reported in the abstract

TVF, absolute criterion MSA >5.5 mm²
Adjusted hazard ratio (95% CI)P value
Optimized PCI vs Nonoptimized PCI
0.45(0.26–0.75)
P = 0.002
Optimized PCI vs Angiography-guided PCI
0.35(0.22–0.54)
P < 0.001

Further pooled results

OutcomeOptimized PCINonoptimized PCIAngiography-guided PCIadjusted HR (95% CI)P value
Cardiac death or target vessel MI, MSA >5.5 mm²0.54%1.59%Not reported in the abstract0.39 (0.17–0.91)P = 0.028

Original publication

Validation of Intravascular Ultrasound–Defined Optimal Stent Expansion Criteria for Favorable 1-Year Clinical Outcomes. JACC Cardiovasc Interv. Published 22 September 2025. doi:10.1016/j.jcin.2025.07.024

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