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- W2155706003 abstract "Recent studies have suggested that transrenal artery fixation of endovascular stent-grafts is safe and may be a desirable means of reducing the risk of type I endoleaks, particularly those with short infrarenal necks. The close proximity of the superior mesenteric and celiac arteries to the renal arteries may commonly result in the placement of the stent struts across all the vessels of the visceral segment of the aorta. The purpose of this study was to determine the incidence and impact of transvisceral artery fixation during aortic stent-graft deployment for the treatment of abdominal aortic aneurysms (AAAs).From January 1997 to June 1999, 192 patients (165 men, 27 women; mean age, 82 years) with AAAs were treated with an endovascular graft secured proximally to the aorta with a long (15 mm) uncovered stent segment (60 Parodi/Palmaz, 132 Talent-LPS). Preoperative and postoperative abdominal aortograms and intravenous contrast enhanced spiral computed tomography (CT) scans were performed. Follow-up CT scans were obtained at 3, 6, and 12 months and yearly thereafter as a means of determining stent position and visceral artery patencyIn 95 patients (49%), the uncovered stent was at or above the level of the superior mesenteric artery. In 23 patients (12%), the stent extended to the level of the celiac axis. In a mean follow-up period of 25 months (range, 6-44 months), serum creatinine levels remained stable, no stenoses or occlusions occurred in the celiac, superior mesenteric, or renal arteries, and no evidence of renal, hepatic, splenic, or intestinal infarction was present on contrast enhanced spiral CT scans. There were no type I endoleaks.Transvisceral fixation of the uncovered proximal aortic stent occurs frequently during deployment of devices designed for transrenal fixation and is associated with no early morbidity. Long-term follow-up is necessary to ensure that there are no late sequelae." @default.
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- W2155706003 date "2002-01-01" @default.
- W2155706003 modified "2023-09-28" @default.
- W2155706003 title "Endovascular repair of abdominal aortic aneurysms: Stent-graft fixation across the visceral arteries" @default.
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- W2155706003 doi "https://doi.org/10.1067/mva.2002.119387" @default.
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