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The Journal of Cardiovascular Surgery 2020 February;61(1):37-46

DOI: 10.23736/S0021-9509.19.11199-8


lingua: Inglese

Current results of balloon expandable visceral stent-grafts in fenestrated endografting

Lorenzo GIBELLO 1 , Maria A. RUFFINO 2, Gianfranco VARETTO 1, Edoardo FROLA 1, Pietro RISPOLI 1, Fabio VERZINI 1

1 Division of Vascular Surgery, Department of Surgical Sciences, Città della Salute e della Scienza, Turin, Italy; 2 Division of Vascular Radiology, Department of Diagnostic Imaging and Radiotherapy, Città della Salute e della Scienza, Turin, Italy

Endovascular repair of thoracoabdominal and juxtarenal aortic aneurysm has recently become a valuable alternative to open surgery especially in high-risk patients. Progressive improvements in graft materials and low-profile devices allow treatment of complex aneurysms even in adverse anatomical settings. However, all published experiences report risks of occlusion and reinterventions due to visceral stent-graft failures in the long term. The purpose of this systematic review is to analyze the results of currently used balloon expandable bridging stent-grafts and to evaluate the newest developments for fenestrated endovascular aortic repair (FEVAR) in juxtarenal endovascular repair. Data were retrieved from retrospective analyses, case series and case reports conducted from 2000 to September 2019. The literature analysis provided a list of the most commonly used balloon-expandable bridging stent-grafts for FEVAR. For each stent-graft a brief summary of structural characteristics and performances have been described. No randomized controlled trials (RCTs) or comparative data between the stent-grafts are available for this specific topic. Several balloon-expandable stent-grafts have been used as bridging stents during FEVAR but the ideal bridging stent-graft is far to be designed. The better understanding of the system FEVAR-native aorta and the strict collaboration and exchange of expertise between physicians and engineers are mandatory in order to increase the performances of these important components and to reduce re-interventions and complications in FEVAR.

KEY WORDS: Endovascular procedures; Stents; Aortic aneurysm

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