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Transrenal Endovascular Aneurysm Repair-A Novel Approach for Abdominal Aortic Aneurysms with Difficult Neck Anatomy.
Ann Vasc Surg
October 2023
Department of Vascular Surgery, University Hospitals of Derby and Burton NHS Foundation Trust, Derby, UK.
Background: The endovascular approach to treating ruptured or symptomatic abdominal aortic aneurysms (AAAs) with difficult neck anatomy still poses a major challenge. This study proposes and evaluates the outcomes of a novel technique, Transrenal Endovascular Aneurysm Repair (Tr-EVAR) which utilizes the top ring 'valley' and 'peak' configuration of the Anaconda stent graft to achieve proximal seal in AAAs with an unfavourable neck.
Methods: All patients treated with Tr-EVAR over a period of 10 years were identified retrospectively.
Transrenal Aortic Aneurysmal Endoleak Sac Embolization.
J Vasc Interv Radiol
July 2022
Department of Radiology, Alfred Health, Melbourne, Australia.
Open repair versus EVAR with parallel grafts in patients with juxtarenal abdominal aortic aneurysm excluded from fenestrated endografting.
J Cardiovasc Surg (Torino)
October 2021
Division of Vascular and Endovascular Surgery, Department of Cardiac, Thoracic, Vascular Sciences and Public Health, Padua University School of Medicine, Padua, Italy.
Background: We compared the outcomes of open surgical repair (OSR) versus endovascular aortic repair (EVAR) with parallel graft technique (PG) in patients with juxtarenal abdominal aortic aneurysm (JAAA) excluded from fenestrated endovascular aortic repair (FEVAR) due to clinical, anatomical, technical or manufacturing time reasons.
Methods: A single-center analysis of consecutive patients who underwent elective and urgent (within 24-48 hours) repair of JAAA from January 2010 to January 2019 was performed. Two groups were compared: patients excluded from FEVAR and respectively treated by OSR or by PG for JAAA.
Multilayer stents affect the final diameter of aortic aneurysms and maintain renal artery patency for a short time in a swine experimental model.
Clinics (Sao Paulo)
June 2021
Hospital Israelita Albert Einstein, Sao Paulo, SP, BR.
Objectives: We sought to analyze the hemodynamic effects of the multilayer flow-modulated stent (MFMS) in Thoracoabdominal aortic aneurysms (TAAAs).
Methods: The hemodynamic effects of MFMS were analyzed in aortic thoracoabdominal aneurysms in experimental swine models. We randomly assigned 18 pigs to the stent or control groups and underwent the creation of an artificial bovine pericardium transrenal aneurysm.
Aortoiliac remodeling and 5-year outcome of an ultralow-profile endograft.
J Vasc Surg
June 2019
Syntactx, New York, NY.
Background: Remodeling of the aortoiliac anatomy is a challenge to the long-term performance of stent grafts for endovascular aneurysm repair. Changes in vessel diameter and length can result in loss of seal at attachment sites, limb disunion, or kinking, with the development of high-pressure endoleaks, migration, or limb occlusion. The aim of this study was to assess the durability and conformability of the ultralow-profile INCRAFT AAA endograft (Cordis Corporation, Milpitas, Calif) during 5-year follow-up.
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