Key result
Exercise capacity correlates poorly with cardiac performance in chronic heart failure.
Why the study?
Exercise testing provides important qualitative and quantitative information in patients with heart disease, but the relationship between maximal working capacity and heart performance in chronic heart failure is poorly understood.
Exercise testing with psychological scaling of symptoms provides valuable information in patients with heart disease, though maximal working capacity correlates poorly with heart performance in chronic heart failure.
Answers are grounded in this paper and cite their sources.
Challenges reliance on exercise capacity to gauge cardiac function in chronic HF; hypothesis-generating for symptom-scaled testing in practice and trials.
Exercise tests performed in the clinic give important qualitative and quantitative information. Psychological scaling of main symptoms is most valuable to define a patient's incapacitation and maximal performance. In pharmacological testing this is of utmost importance, particularly in patients with angina pectoris or heart failure. In chronic heart failure there is a poor correlation between the maximal working capacity and the performance of the heart.
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Hans Åström (1986) conducted a review in Heart disease (angina pectoris, heart failure). Exercise testing was evaluated. In chronic heart failure, there is a poor correlation between maximal working capacity during exercise testing and the performance of the heart.
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