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Updated: Feb 27, 2026

Left Atrial Stenosis Induced Pulmonary Venous Arterialization and Group 2 Pulmonary Hypertension in Rat
Published on: November 18, 2018
A rare cause of severe mitral stenosis and reversible pulmonary hypertension
Margarida Pujol-López1, Rodolfo San Antonio1, Eduardo J Flores-Umanzor1
1Cardiology Department, Institut Clínic Cardiovascular, Hospital Clínic, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), University of Barcelona, Barcelona, Spain.
Abstract:
Myxoma is a rare cause of severe mitral stenosis. We describe a challenging case of severe mitral stenosis and reversible pulmonary hypertension produced by a giant left atrial myxoma. The greatest risk is a diagnostic delay due to focus on discarding a pulmonary etiology of dyspnea. Physical examination and early echocardiographic assessment are the keys to avoid overlooking this uncommon pathology.
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