Why the study?
Are abnormal heart rate recovery and heart rate variability associated with the presence and severity of stable coronary artery disease?
Population
128 consecutive patients, comprising 63 patients with stable coronary artery disease and 65 controls without…
Design
Cross-sectional
Authors
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Should not yet alter SCAD evaluation; leaves open whether HRR/HRV improve risk prediction beyond standard factors.
Are abnormal heart rate recovery and heart rate variability associated with the presence and severity of stable coronary artery disease?
Impaired cardiac autonomic function, indicated by delayed heart rate recovery and reduced heart rate variability, is associated with the presence and severity of stable coronary artery disease.
Chen et al. (2018) studied this question.
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