Complete revascularization according to age in patients with ST-segment elevation myocardial infarction and multivessel disease: 10-year outcome from the DANAMI-3-PRIMULTI trial.

Authors

Yan Zhou, Burcu Tas Özbek, Jasmine Melissa Marquard, Utsho Islam, Lars Nepper-Christensen, Kiril Aleksov Ahtarovski, Dan Eik Høfsten, Ashkan Eftekhari, Kasper Kyhl, Christoffer Göransson, Lars Køber, Lene Holmvang, Frants Pedersen, Henning Kelbæk, Niels Vejlstrup, Jacob Thomsen Lønborg, Thomas Engstrøm

Published in

European heart journal. Acute cardiovascular care. Sep 02, 2026. Epub Sep 02, 2026.

Abstract

The benefit of complete revascularization after primary percutaneous coronary intervention (PCI) is well established in patients with ST-segment elevation myocardial infarction (STEMI) and multivessel disease, but the long-term effect in older patients remains uncertain. We aimed to evaluate the 10-year outcome of complete revascularization in older patients (aged ≥75 years) compared with younger patients.
Patients with STEMI and multivessel disease were randomized to either culprit-only or fractional flow reserve-guided complete revascularization in the DANAMI-3-PRIMULTI trial. This long-term sub-study stratified the included 627 patients by <75 years (517) and ≥75 years (110). The primary outcome was a composite of all-cause mortality, recurrent myocardial infarction, or any revascularization occurring during a median follow-up of 10.5 years. Of the older patients, 50 underwent complete and 60 culprit-only revascularization, and of the younger patients, 264 were completely revascularized compared to 253 who had culprit-only PCI performed.In the older group, complete revascularization showed no association with the primary outcome (adjusted hazard ratio [HR] 1.29, 95% confidence interval [CI]: 0.82-2.03, P = 0.27). In contrast, complete revascularization was associated with a lower risk of the primary outcome (adjusted HR 0.68, 95% CI: 0.53-0.88, P = 0.003) in younger patients, primarily driven by a reduction in any revascularization (adjusted HR 0.60, 95% CI: 0.44-0.83, P = 0.002.
In patients aged ≥75 years, clear evidence of a long-term (10 years) benefit of complete revascularization was not demonstrated. However, the elderly subgroup was small with limited events, and the finding should be interpreted as inconclusive. In contrast, complete revascularization was associated with a 32% lower risk of adverse outcomes among younger patients, primarily driven by a reduction in repeat revascularization, without evidence of reduced all-cause death or recurrent myocardial infarction.

PMID:
42682209
Bibliographic data and abstract were imported from PubMed on 02 Sep 2026.

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