Evaluation of the Zenith low-profile abdominal aortic aneurysm stent graft

Background Low-profile (LP) stent grafts are now commercially available in Europe for endovascular aortic aneurysm repair (EVAR). In this study the midterm outcomes and characteristics of patients treated with this last generation of stent grafts were compared with a cohort of patients treated with...

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Published in:Journal of vascular surgery 2015-10, Vol.62 (4), p.841-847
Main Authors: Sobocinski, Jonathan, MD, PhD, Briffa, Florent, MD, Holt, Peter J., MD, FRCS, Martin Gonzalez, Teresa, MD, Spear, Rafaëlle, MD, PhD, Azzaoui, Richard, MD, Maurel, Blandine, MD, PhD, Haulon, Stéphan, MD, PhD
Format: Article
Language:English
Subjects:
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Aortic Aneurysm, Abdominal - diagnostic imaging
Aortic Aneurysm, Abdominal - mortality
Aortic Aneurysm, Abdominal - surgery
Endovascular Procedures - instrumentation
Endovascular Procedures - methods
Female
Humans
Iliac Artery - pathology
Male
Prospective Studies
Radiography
Retrospective Studies
Stents
Surgery
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Summary:Background Low-profile (LP) stent grafts are now commercially available in Europe for endovascular aortic aneurysm repair (EVAR). In this study the midterm outcomes and characteristics of patients treated with this last generation of stent grafts were compared with a cohort of patients treated with “standard-profile” (SP) stent grafts. Methods The current study enrolled all patients treated for elective EVAR by the SP Zenith Flex stent graft (Cook Medical, Bloomington, Ind) between March 2010 and November 2011 and patients treated for elective EVAR by the Zenith LP stent graft (Cook Medical) between November 2011 and March 2013. All patients had a follow-up >18 months. Preoperative computed tomography angiograms were analyzed on a dedicated three-dimensional workstation. All data were prospectively collected in an electronic database and retrospectively analyzed. A comparative study was conducted. Results The present study included 208 patients (107 SP and 101 LP). Patients' physiologic characteristics were similar in both groups. The iliac anatomy was considered “more challenging” in LP patients: respectively, 7% and 22% ( P  = .002) of SP and LP patients had bilateral external iliac diameter 
ISSN:0741-5214
1097-6809
DOI:10.1016/j.jvs.2015.04.452