Coronary disease & ACSSecondary analysis

OCT-Defined Plaque Morphology and Clinical Outcomes After Percutaneous Coronary Intervention

JACC Cardiovasc ImagingPublication date not resolved

  • Secondary analysis of the ILUMIEN IV randomised trial
  • core laboratory analysis

Authors' conclusion

Based on preprocedural OCT, PCI of calcific and fibrotic plaques was associated with the highest and lowest 2-year rates of TVF and ID-TVR, respectively, with lipidic plaques being of intermediate risk.

Study context

Population
Patients undergoing optical coherence tomography (OCT)-guided percutaneous coronary intervention (PCI) of a single de novo lesion in the ILUMIEN IV trialof 1,233 OCT-guided
Participants
926 patients
Comparison
Predominant OCT plaque morphology: calcific vs lipidic vs fibrotic
  • Lipidicn = 309
  • Calcificn = 252
  • Fibroticn = 365reference
Primary endpoint
Target-vessel failure:
  • Cardiac death
  • Target-vessel MI
  • Ischemia-driven target-vessel revascularization
Follow-up
2 years

Primary result

Target-vessel failure (TVF)

Adjusted hazard ratio

2.20

95% CI 1.12–4.33

P = 0.02

By group

Calcific vs Fibrotic
adjusted HR 2.20 (95% CI 1.12–4.33); P = 0.02

As reported in the abstract

Further findings

OutcomeLipidicCalcificFibroticadjusted HR (95% CI)P value
ID-TVR · 2 years4.0%8.2%3.1%2.31 (1.08–4.96)P = 0.03

Original publication

OCT-Defined Plaque Morphology and Clinical Outcomes After Percutaneous Coronary Intervention. JACC Cardiovasc Imaging. doi:10.1016/j.jcmg.2026.05.015

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