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Related Experiment Videos

The prognostic value of exercise testing in elderly men.

Joshua M Spin1, Manish Prakash, Victor F Froelicher

  • 1Division of Cardiovascular Medicine, Stanford University Medical Center, Palo Alto, California, USA.

The American Journal of Medicine
|April 18, 2002
PubMed
Summary

Exercise testing provides valuable prognostic information for both elderly and younger men. Higher exercise capacity, measured in metabolic equivalents (METs), is linked to lower mortality risk across all age groups.

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Area of Science:

  • Cardiology
  • Geriatrics
  • Preventive Medicine

Background:

  • Exercise testing is a common diagnostic tool.
  • Its prognostic value in elderly populations requires further investigation.

Purpose of the Study:

  • Compare exercise test responses in elderly (>65 years) versus younger men.
  • Determine if exercise testing has similar prognostic value in both age groups.

Main Methods:

  • Retrospective analysis of 3,974 male veterans without coronary heart disease.
  • Included clinical data, exercise testing results (workload, ST depression), and all-cause mortality.
  • Follow-up averaged 6 years.

Main Results:

  • Elderly men achieved lower workloads (7 vs. 10 METs) and had more ST depression (27% vs. 16%).

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  • Annual mortality was higher in elderly (4%) vs. younger (2%) men.
  • Maximal METs achieved was the sole independent predictor of mortality in both groups (1 MET increase reduced mortality by 11%).

    • Conclusions:

    • Exercise testing offers incremental prognostic information in elderly men.
    • Achieved workload (METs) is a key predictor of mortality, with consistent importance across age groups.
    • Exercise capacity is a critical factor for assessing mortality risk in both younger and elderly individuals.