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Ineligibility for predischarge exercise testing after myocardial infarction in the elderly: implications for

J W Deckers, P Fioretti, R W Brower

    European Heart Journal
    |November 1, 1984
    PubMed

    Insights

    Elderly patients over 64 surviving acute myocardial infarction who cannot perform predischarge exercise tests face a significantly higher one-year mortality risk. Ejection fraction is a key predictor for this high-risk group.

    Area of Science:

    • Cardiology
    • Geriatric Medicine
    • Clinical Research

    Background:

    • Acute myocardial infarction (AMI) management includes risk stratification.
    • Predischarge exercise testing is a standard tool for assessing post-AMI prognosis.
    • Elderly patients often present challenges for exercise testing eligibility.

    Purpose of the Study:

    • To evaluate the clinical profile and prognosis of elderly patients ineligible for predischarge exercise testing after AMI.
    • To identify predictors of mortality in this high-risk subgroup.
    • To compare outcomes between age groups based on exercise test eligibility.

    Main Methods:

    • Retrospective analysis of 244 patients (133 aged 55-64, 111 >64) post-AMI.
    • Categorization into eligible and ineligible groups for predischarge exercise testing.
    • One-year follow-up to assess mortality.
    • Comparison of clinical profiles and radionuclide ejection fraction (RNEF).

    Main Results:

    • 57% of elderly patients (>64) were ineligible for exercise testing, versus 18% in the younger group (55-64).
    • One-year mortality was 37% for ineligible elderly patients compared to 4% for eligible elderly patients.
    • Mortality for ineligible younger patients was 13% versus 6% for eligible younger patients.
    • RNEF was the strongest predictor of mortality in patients unable to perform the exercise test.

    Conclusions:

    • Ineligibility for predischarge exercise testing identifies a high-risk population post-AMI.
    • This risk is particularly pronounced in patients older than 64 years.
    • Radionuclide ejection fraction is a crucial prognostic indicator for high-risk patients unable to undergo exercise stress testing.

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