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Cumulative incidence of death and rehospitalization among the elderly in the first year after NSTEMI.
BACKGROUND: Age is associated with outcomes in non-ST-segment elevation myocardial infarction; however, less is known about rehospitalization or death among elderly survivors. We aimed to evaluate mortality and cause-specific rehospitalization rates in this growing population of older adults with ischemic heart disease. METHODS: We linked 36,711 patients aged ≥65 years who survived an index non-ST-segment elevation myocardial infarction from the CRUSADE registry to Medicare claims data for follow-up. One-year survival estimates were compared by age group-65-79, 80-84, 85-89, and ≥90 years-and Cox models were used to analyze the association between age and 1-year mortality. RESULTS: Death at 1 year increased markedly with age (from 13.3% for 65-79 years to 45.5% for ≥90 years). In contrast, rehospitalization rates at 1 year were similar and high across ages (65-79 years, 52.7%; ≥90 years, 56.5%), with nearly as many noncardiovascular-related as cardiovascular-related rehospitalizations. At 1 year, nonagenarians had substantially higher rates of death with or without preceding rehospitalization and twice the adjusted mortality than the group aged 65-79 years. CONCLUSIONS: Evolving care delivery models should consider the high mortality in older adults after a non-ST-segment elevation myocardial infarction. Contrary to expectations, rehospitalization rates do not rise substantially with advancing age, and rehospitalization is often for noncardiac diagnoses.
Duke Scholars
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- United States
- Risk Factors
- Registries
- Patient Readmission
- Myocardial Infarction
- Male
- Humans
- General & Internal Medicine
- Female
- Aging
Citation
![Journal cover image](https://secure.syndetics.com/index.aspx?isbn=/lc.gif&issn=1555-7162&client=dukeuniv)
Published In
DOI
EISSN
Publication Date
Volume
Issue
Start / End Page
Location
Related Subject Headings
- United States
- Risk Factors
- Registries
- Patient Readmission
- Myocardial Infarction
- Male
- Humans
- General & Internal Medicine
- Female
- Aging