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Updated: Feb 16, 2026

Murine Model of Central Venous Stenosis using Aortocaval Fistula with an Outflow Stenosis
Published on: July 11, 2019
Saphenous vein graft aneurysm and fistula with compression mimicking mitral stenosis
Jeffrey B Ziffra1, Phillip Tran1,2, Melody Strattan1,2
1Cardiology, Mercy Medical Center, Mason City, IA, United States.
Abstract:
We present the case of a patient who presented with acute coronary syndrome and was found to have a mass compressing the left atrium. An angiogram revealed a large saphenous vein graft aneurysm with a fistula into a cardiac chamber, presumed to be the left ventricle. The patient also developed a functional mitral stenosis secondary to this mass causing left atrial compression. The patient passed away prior to receiving surgery. We describe a rare case of venous graft aneurysm with compression and fistula to a chamber other than the right atrium, that to our knowledge has yet to be reported.
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