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  • Title: Prognosis of elderly patients with ST-elevation myocardial infarction treated with primary percutaneous coronary intervention in 2001 to 2011: A report from the Swedish Coronary Angiography and Angioplasty Registry (SCAAR) registry.
    Author: Velders MA, James SK, Libungan B, Sarno G, Fröbert O, Carlsson J, Schalij MJ, Albertsson P, Lagerqvist B.
    Journal: Am Heart J; 2014 May; 167(5):666-73. PubMed ID: 24766976.
    Abstract:
    BACKGROUND: Elderly patients constitute a growing part of the population presenting with ST-elevation myocardial infarction (STEMI). The use of primary percutaneous coronary intervention (PCI) in this high-risk population remains poorly investigated. METHODS: Using the Swedish Coronary Angiography and Angioplasty Registry (SCAAR), we identified consecutive patients with STEMI 80 years or older undergoing primary PCI during a 10-year period. Temporal trends in care and 1-year prognosis were investigated, and long-term outcome was compared with a reference group of patients with STEMI aged 70 to 79 years. Relative survival was calculated by dividing the observed survival rate with the expected survival rate of the general population. Adjusted end points were calculated using Cox regression. RESULTS: In total, 4,876 elderly patients with STEMI were included. During the study period, average age and presence of comorbidity increased, as well as the use of antithrombotic therapy. Procedural success remained constant. One-year mortality was exclusively reduced between the most recent vs the earliest cohort, whereas the risk of reinfarction, heart failure, stroke, and bleeding remained similar. The risk of death was higher for elderly patients early after PCI, after which the prognosis was slightly better compared with the general population. Long-term risk of adverse events increased markedly with age. CONCLUSIONS: The prognosis of patients older than 80 years treated with primary PCI for STEMI was relatively unchanged during the 10-year inclusion period, despite changes in patient characteristics and treatment. Advanced age increased the risk of adverse events, but survivors of the early phase after PCI had a slightly improved prognosis compared with the general population.
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