Coronary disease & ACSRandomised controlled trial

Invasive Treatment Strategy for Older Patients with Myocardial Infarction

N Engl J MedPublished

  • Randomised controlled trial
  • prospective
  • multicentre
  • 48 UK sites
  • 1:1 allocation

Authors' conclusion

In older adults with NSTEMI, an invasive strategy did not result in a significantly lower risk of cardiovascular death or nonfatal myocardial infarction (the composite primary outcome) than a conservative strategy over a median follow-up of 4.1 years.

Study context

Population
Patients ≥75 years with NSTEMI, including frail patients or those with a high burden of coexisting conditions; UK
Participants
1,518 patients
Comparison
Invasive strategy vs conservative strategy
  • Invasive strategyn = 753
  • Conservative strategyn = 765reference
Primary endpoint
CV death or nonfatal MI (time-to-event)
Follow-up
Median 4.1 years

Primary result

CV death or nonfatal MI

Hazard ratio

0.94

95% CI 0.77–1.14

P = 0.53

Events by treatment group

Invasive strategy vs Conservative strategy
HR 0.94 (95% CI 0.77–1.14); P = 0.53

As reported in the abstract

Further findings

OutcomeInvasive strategyConservative strategyHR (95% CI)
CV death15.8%14.2%1.11 (0.86–1.44)
Nonfatal MI11.7%15.0%0.75 (0.57–0.99)

Safety

Procedural complications

Procedural complications
less than 1% of the patients

Original publication

Invasive Treatment Strategy for Older Patients with Myocardial Infarction. N Engl J Med. Published 1 September 2024. doi:10.1056/nejmoa2407791

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