Coronary disease & ACSSecondary analysis

IVUS-Guided vs Angiography-Guided Percutaneous Coronary Intervention (PCI) in Patients With Diabetes With Acute Coronary Syndromes

JACC Cardiovasc IntervPublished

  • Secondary analysis of the IVUS-ACS randomised trial
  • prespecified stratified subgroup analysis

Authors' conclusion

In the large-scale IVUS-ACS trial, IVUS-guided PCI improved 1-year clinical outcomes in high-risk patients with diabetes with ACS.

Study context

Population
Patients with diabetes with acute coronary syndromes (ACS)
Participants
1,105 patients
Comparison
Intravascular ultrasound (IVUS)-guided PCI vs angiography-guided PCI
  • IVUS-guidedn = 554
  • Angiography-guidedn = 551reference
Primary endpoint
Target vessel failure (TVF) (cardiac death, target vessel MI or clinically driven target vessel revascularization)
Follow-up
1 year

Primary result

TVF (Kaplan-Meier rates)

Hazard ratio

0.46

95% CI 0.27–0.81

P = 0.007

Events by treatment group

IVUS guidance vs Angiographic guidance
HR 0.46 (95% CI 0.27–0.81); P = 0.007

As reported in the abstract

Further findings

OutcomeHR (95% CI)P value
TVF without procedural MI · 1 year · 2.0% vs 6.7%0.29 (0.15–0.57)P < 0.001
All-cause mortality · 1 year0.30 (0.10–0.93)P = 0.037

Clinically driven TVR · 1 year

Clinically driven TVR, IVUS vs angiographic guidance: 0.9% vs 3.8%
P = 0.003

Safety

Stent thrombosis, major bleeding

No significant differences between the groups

Original publication

IVUS-Guided vs Angiography-Guided PCI in Patients With Diabetes With Acute Coronary Syndromes. JACC Cardiovasc Interv. Published 28 October 2024. doi:10.1016/j.jcin.2024.09.061

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