Key result
Mitral stenosis impairs resting and exercise cardiac output, triggering marked regional circulatory adaptations.
Why the study?
There is limited knowledge of cardiac output distribution and its control mechanisms during exercise in heart disease, particularly in patients with mitral stenosis.
Population
Patients with mitral stenosis not in heart failure undergoing routine cardiac catheterization
Comparison
Exercise effects on regional blood flow and cardiac output
Design
Observational study with exercise and cardiac output measurement
Authors
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May inform historical views on exercise blood flow in heart disease; leaves open need for contemporary validation.
This lecture discusses the adaptations in regional circulation and cardiac output during exercise in patients with mitral stenosis.
Kenneth W. Donald (1959) conducted a review in Mitral stenosis. Exercise was evaluated on Cardiac output and regional blood flow distribution. In patients with mitral stenosis not in heart failure, cardiac output may be considerably reduced both at rest and on exercise, leading to remarkable adaptations in regional circulation.
Synapse has enriched 2 closely related papers on similar clinical questions. Consider them for comparative context: