Article ; Online: Suitability of the Zenith p-Branch Standard Fenestrated Endovascular Graft for Treatment of Ruptured Abdominal Aortic Aneurysms.
2015 Volume 22, Issue 5, Page(s) 760–764
Abstract: Purpose: To evaluate the anatomic suitability of the Zenith pivot branch (p-branch) fenestrated ... for Zenith p-branch suitability according to the Investigational Device Exemption protocol for both device ... Results: The suitability of the p-branch (A or B configuration) for short neck aneurysms (<15 mm; n=89 ...
Abstract | Purpose: To evaluate the anatomic suitability of the Zenith pivot branch (p-branch) fenestrated device in ruptured abdominal aortic aneurysms (rAAA). Methods: Contrast-enhanced computed tomography (CT) images of 206 patients (mean age 75±8 years; 175 men) with rAAA were evaluated in a dedicated 3-dimensional vascular workstation. All aneurysms found unsuitable for standard infrarenal repair were evaluated for Zenith p-branch suitability according to the Investigational Device Exemption protocol for both device configurations (A, pivot fenestrations at the same level; B, right renal fenestration located more cranially). Results: The suitability of the p-branch (A or B configuration) for short neck aneurysms (<15 mm; n=89) was 49%; of the 26 different combinations of exclusion criteria, a mismatch between a renal artery takeoff and the positioning of the corresponding fenestration was the most common. For juxta- and pararenal aneurysms (neck length <10 mm; n=66), suitability was 48%. Suitability assessed by target vessel positioning only (excluding all other limiting factors) was 58% for short neck aneurysms (n=52) and 55% for juxta- and pararenal aneurysms (n=36). Conclusion: Approximately half of patients with short neck rAAAs would be suitable for the Zenith p-branch fenestrated device according to the instructions for use. In almost 60%, the pivot fenestrations can accommodate the corresponding target vessels. More studies are needed to confirm these findings. |
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MeSH term(s) | Aged ; Aged, 80 and over ; Aortic Aneurysm, Abdominal/diagnostic imaging ; Aortic Aneurysm, Abdominal/surgery ; Aortic Rupture/diagnostic imaging ; Aortic Rupture/surgery ; Aortography/methods ; Blood Vessel Prosthesis ; Blood Vessel Prosthesis Implantation/adverse effects ; Blood Vessel Prosthesis Implantation/instrumentation ; Databases, Factual ; Endovascular Procedures/adverse effects ; Endovascular Procedures/instrumentation ; Feasibility Studies ; Female ; Humans ; Imaging, Three-Dimensional ; Male ; Patient Selection ; Predictive Value of Tests ; Prosthesis Design ; Radiographic Image Interpretation, Computer-Assisted ; Stents ; Tomography, X-Ray Computed ; Treatment Outcome |
Language | English |
Publishing date | 2015-10 |
Publishing country | United States |
Document type | Evaluation Studies ; Journal Article |
ZDB-ID | 2006618-1 |
ISSN | 1545-1550 ; 1526-6028 |
ISSN (online) | 1545-1550 |
ISSN | 1526-6028 |
DOI | 10.1177/1526602815601096 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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