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  • Title: Resolution of large azygos vein aneurysm following stent-graft shunt placement in a patient with Ehlers-Danlos syndrome type IV.
    Author: D'Souza ES, Williams DM, Deeb GM, Cwikiel W.
    Journal: Cardiovasc Intervent Radiol; 2006; 29(5):915-9. PubMed ID: 16252082.
    Abstract:
    Ehlers-Danlos syndrome (EDS) type IV is a rare connective tissue disorder associated with thin-walled, friable arteries and veins predisposing patients to aneurysm formation, dissection, fistula formation, and vessel rupture. Azygos vein aneurysm is an extremely rare condition which has not been reported in association with EDS in the literature. We present a patient with EDS type IV and interrupted inferior vena cava (IVC) with azygos continuation who developed an azygos vein aneurysm. In order to decrease flow through the azygos vein and reduce the risk of aneurysm rupture, a stent-graft shunt was created from the right hepatic vein to the azygos vein via a transhepatic, retroperitoneal route. At 6 month follow-up the shunt was open and the azygos vein aneurysm had resolved.
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