Why the study?
What are the relationships between atrial fibrillation, hemodynamic findings, and left atrial size in patients with mitral stenosis?
Population
135 patients with mitral valvular stenosis
Design
Cross-sectional
Authors
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Challenges assumption of left atrial enlargement driving atrial fibrillation; challenges consensus yet leaves causality open in mitral stenosis.
What are the relationships between atrial fibrillation, hemodynamic findings, and left atrial size in patients with mitral stenosis?
In patients with mitral stenosis, left atrial enlargement may be a consequence rather than a cause of atrial fibrillation, and established AF is associated with lower cardiac output.
Probst et al. (1973) studied this question.
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