Why the study?
Does dynamic cycle exercise alter the severity of functional mitral regurgitation and left ventricular shape in patients with chronic heart failure?
Population
20 patients with chronic heart failure (CHF), mean age 63 years.
Comparison
Dynamic cycle exercise at steady-state levels of… vs Rest (baseline measurements prior to exercise).
Design
Cross-sectional
Authors
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Exercise augments functional MR linked to LV sphericity in HF; hypothesis-generating, should not yet change practice.
Does dynamic cycle exercise alter the severity of functional mitral regurgitation and left ventricular shape in patients with chronic heart failure?
In patients with chronic heart failure, exercise-induced increases in functional mitral regurgitation correlate with a more spherical left ventricular shape.
Takano et al. (2007) studied this question.