Why the study?
Does left ventricular dysfunction alter mental stress hemodynamic responses and their relationship to myocardial ischemia in patients with coronary artery disease?
Population
58 patients with coronary artery disease, consisting of 22 patients with normal LV function, 16 patients…
Comparison
Bicycle exercise and mental stress testing with… vs Comparison across three groups based on baseline…
Design
Cross-sectional, Bicycle exercise and mental stress testing were performed on…
Authors
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Severe LV dysfunction may amplify HR reactivity to mental stress in CAD; leaves open mechanistic links to ischemia, needs prospective validation.
Does left ventricular dysfunction alter mental stress hemodynamic responses and their relationship to myocardial ischemia in patients with coronary artery disease?
In patients with coronary artery disease, severe left ventricular dysfunction is associated with an exaggerated heart rate response to mental stress, but this hemodynamic reactivity does not correlate with mental stress-induced ischemia.
Holmes et al. (2007) studied this question.
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