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The Journal of Cardiovascular Surgery 2021 Feb 26

DOI: 10.23736/S0021-9509.21.11635-0


lingua: Inglese

Results of adjunctive stenting with high-radial force stents to prevent or treat limb occlusion after EVAR

Ciro FERRER 1 , Gioele SIMONTE 2, Gianbattista PARLANI 2, Carlo COSCARELLA 1, Claudio SPATARO 1, Guglielmo PUPO 2, Massimo LENTI 2, Rocco GIUDICE 1

1 Vascular and Endovascular Surgery Unit, San Giovanni - Addolorata Hospital, Rome, Italy; 2 Vascular and Endovascular Surgery Unit, Santa Maria della Misericordia Hospital, University of Perugia, Perugia, Italy


BACKGROUND: Objective of this study is to report the results of a multicenter experience on the use of adjunctive stents deployed inside abdominal aortic endografts with the purpose to prevent or treat limb occlusion after endovascular aneurysm repair (EVAR).
METHODS: Between 2010 and 2018, there were 35 patients with aorto-iliac aneurysm presenting one or more risk factors for endograft limb occlusion (narrow aortic bifurcation and/or stenotic, highly angulated or occluded iliac arteries), who were treated with standard bifurcated stent graft reinforced by the means of a single model of balloon-expandable platinum/iridium bare stent (CP Stent - NuMED, Inc., Hopkinton, NY, USA). Technical success, mortality, limb patency and reintervention rate during follow-up were the main endpoints assessed.
RESULTS: Technical success was 100%. No patients died perioperatively and no major complication was registered. During a mean follow-up of 48 months (range 1-87), neither aortic-related death nor secondary intervention was registered. At a mean follow-up imaging of 39.4 months (range 1-81) no endograft limb lost its patency.
CONCLUSIONS: The use of high-radial force balloon-expandable stents deployed inside bifurcated endografts to prevent or treat limb occlusion is a safe and effective adjunctive procedure, with outstanding long-term outcomes in terms of patency and reinterventions.

KEY WORDS: Abdominal aortic aneurysm; Endovascular aneurysm repair; Stent; Limb occlusion; Limb patency

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