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  • Title: Aneurysmal Degeneration of an Aortorenal Bypass for Takayasu Renal Artery Stenosis: A Novel Endovascular Intervention.
    Author: Hu H, Chen X, Wu Z, Zhao J, Huang B, Ma Y, Yuan D, Yang Y, Xiong F.
    Journal: Ann Vasc Surg; 2018 May; 49():316.e1-316.e4. PubMed ID: 29501903.
    Abstract:
    We report an aneurysm degeneration of a vein graft in a previous aortorenal bypass performed 5 years earlier for severe right renal artery stenosis due to Takayasu arteritis. The patient was a 31-year-old woman who suffered from refractory hypertension. The autogenous bypass adopting great saphenous vein was performed from her infrarenal abdominal aorta to her right renal artery. Five years after the operation, the patient complained vague discomfort in her abdomen. Three-dimensional computed tomography angiography reconstruction demonstrated the existence of an aneurysm with a maximum diameter of 1.5 cm at the distal portion of a previous aortorenal vein graft, and >75% stenosis of the right renal artery. The replacement of a previous vein graft bypass with autograft or artificial graft is reported in literature. In this case, we attempted endovascular procedures by embolization of the aneurysm and revascularization of the right renal artery using coils and Viabahn stents.
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