Coronary disease & ACSCohort study

Frailty and long-term outcomes in younger patients with acute myocardial infarction

Eur Heart JPublished

  • Population-based cohort study
  • linked national administrative data

Authors' conclusion

Frailty is independently associated with poor outcomes after AMI, with the strongest impact observed in younger patients

Study context

Population
Patients with acute MI in England and Wales, stratified by age (<55, 55–74, ≥75 years)13% severely frail
Participants
931,133 patients
Exposure
Frailty categories by age group
Outcome
All-cause mortality
Follow-up
1 year

Main finding

As reported in the abstract

All-cause mortality, severe frailty, by age group
Adjusted hazard ratio (95% CI)
Severe vs Fityoung patients (<55 years)
6.69(5.76–7.76)
Severe vs Fitmiddle-aged patients (55-74 years)
4.33(4.11–4.57)
Severe vs Fitolder patients (≥75 years)
2.31(2.23–2.39)
Severe, younger vs Severe, older · age × frailty interaction
fold higher risk 3.51 (95% CI 3.11–3.96); P < 0.001

Observational data: associations, not effects.

Original publication

Frailty and long-term outcomes in younger patients with acute myocardial infarction. Eur Heart J. Published 25 November 2025. doi:10.1093/eurheartj/ehaf876

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