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Arm ergometry exercise testing in patients with dysvascular amputations.

H M Finestone1, R M Lampman, G N Davidoff

  • 1Rehabilitation Medicine Service, Veterans Affairs Medical Center, Ann Arbor, MI 48105.

Archives of Physical Medicine and Rehabilitation
|January 1, 1991
PubMed
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This study found that rating of perceived exertion (RPE) is not a reliable substitute for heart rate (HR) monitoring during arm ergometry graded exercise tests (GXT) for deconditioned individuals with dysvascular amputations. Direct pulse measurement is recommended for exercise training in this population.

Area of Science:

  • Rehabilitation Medicine
  • Exercise Physiology
  • Cardiovascular Health

Background:

  • Deconditioned individuals with dysvascular amputations often require tailored exercise programs.
  • Accurate monitoring of exercise intensity is crucial for safety and efficacy in this population.
  • Heart rate (HR) and rating of perceived exertion (RPE) are common methods for gauging exercise intensity.

Purpose of the Study:

  • To evaluate the agreement between HR response and RPE during arm ergometry graded exercise tests (GXT) in deconditioned individuals with acute dysvascular amputations.
  • To determine if RPE can reliably substitute for HR monitoring before and after an inpatient rehabilitation program.

Main Methods:

  • Twenty-six men with acute dysvascular amputations underwent an arm ergometry GXT at admission, with 11 retested post-rehabilitation.

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  • Exercise involved incremental workloads starting at 0 watts, with HR, blood pressure, and RPE recorded at each stage.
  • Statistical analyses included scatter plots and linear regression to assess the relationship between HR and RPE.

    • Main Results:

    • No statistically significant relationship was found between HR and RPE at any stage of the GXT, including peak exercise.
    • The findings indicate poor agreement between the two measures in this specific patient group.

    Conclusions:

    • Rating of perceived exertion (RPE) is not a reliable surrogate for direct heart rate (HR) measurement in exercise prescription for deconditioned individuals with acute dysvascular amputations.
    • Direct HR monitoring is recommended for accurate exercise intensity assessment and training in this population.