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Updated: Jan 27, 2026

Catheter-based Endovascular Angioplasty for Fibrosing Mediastinitis-associated Pulmonary Vein Stenosis
Published on: August 26, 2025
Giant right atrium and subvalvular pulmonary stenosis: A case report of an interesting combination
Viviana Maestrini1, Lucia I Birtolo1, Sara Cimino1
1Department of Cardiovascular, Respiratory, Geriatric, Anesthesiologic and Nephrologic Sciences, Sapienza University of Rome, Rome, Italy.
Abstract:
A 20-year-old Congolese woman presented with presyncope, dyspnea, and anasarca. Past medical history was unremarkable. Echocardiography revealed a rare combination of giant right atrium (RA), a dilated and hypertrophied right ventricle, subvalvular pulmonary stenosis (subPS), severe tricuspid regurgitation (TR), pericardial effusion and what appeared to be a spontaneously closed ventricular septal defect (VSD). Cardiac Magnetic Resonance and Cardiac Computed Tomography confirmed the findings excluding the presence of intra-cardiac and extra-cardiac shunt and other associated congenital anomalies. The patient underwent subPS resection, right atrioplasty, and tricuspid annuloplasty. Multimodality approach facilitated the detection of the abnormalities and provided clarity when determining the optimal surgical strategy.
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