Implications of Cardio-Respiratory Fitness on the Performance of Exercise Tests

Journal article


Michael Jelinek and Kenneth Hossack. (2019). Implications of Cardio-Respiratory Fitness on the Performance of Exercise Tests. Heart, Lung and Circulation. 28(4), pp. 64-66. https://doi.org/10.1016/j.hlc.2018.07.015
AuthorsMichael Jelinek and Kenneth Hossack
Abstract

In 2016, the American Heart Association (AHA) produced a position paper on cardiorespiratory fitness (CRF) which defined CRF as the most important cardiac risk factor in the assessment of prognosis in a wide variety of clinical states [1]. The aim of the paper was to improve patient management and to encourage life-style based strategies designed to improve cardiovascular risk. The authors showed that:

• Cardiorespiratory fitness was a stronger predictor of patient survival than other clinical and exercise test variables in both men and women.

• Non-exercise cardiac risk factors clustered in unfit people.

• People unable to exercise to five METs were at the highest risk of premature mortality. (1 MET = 3.5ml/kg/minute of oxygen intake).

• Improvement in CRF from the least fit to intermediate CRF reduced the mortality risk more than an increase in CRF from the intermediate CRF group to the high CFR group.

• They showed that adding a measure of CRF to baseline risk factors better predicted mortality in a wide variety of subjects with various clinical presentations.

• That adding measures of CRF to prediction models, particularly those based on the Framingham Risk Score, improved estimations of risk of cardiovascular disease.

• That CRF can be reasonably well predicted from a standardised questionnaire.

In this Brief Communication, we expand on how CRF can be assessed and reported in exercise testing.

Keywordsfitness; aerobic capacity; exercise tests; fitness questionnaires
Year2019
JournalHeart, Lung and Circulation
Journal citation28 (4), pp. 64-66
PublisherElsevier Australia
ISSN1443-9506
Digital Object Identifier (DOI)https://doi.org/10.1016/j.hlc.2018.07.015
Scopus EID2-s2.0-85054022753
Publisher's version
File Access Level
Controlled
Publication process dates
Deposited03 May 2021
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