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Endurant stent graft

I Ben Abdallah, S El Batti, M Abou-Rjeili, J-N Fabiani, P Julia, J-M Alsac
OBJECTIVE: To report experience with open conversion (OC) after previous failed EVAR and to compare outcomes of patients undergoing elective OC with those operated on in an urgent setting. METHODS: Patients undergoing OC after EVAR between August 2008 and September 2016 were included in this retrospective and observational single institution study. Indications, demographic, anatomical, intra-operative and post-operative data were collected prospectively. Primary endpoints were 30 day and in hospital mortality...
April 5, 2017: European Journal of Vascular and Endovascular Surgery
Yannick W 't Mannetje, Philippe W M Cuypers, Ben R Saleem, Aron S Bode, Joep A W Teijink, Marc R H M van Sambeek
OBJECTIVE: Stent graft evolution is often addressed as a cause for improved outcomes of endovascular aneurysm repair for patients with an abdominal aortic aneurysm. In this study, we directly compared the midterm result of Endurant stent graft with its predecessor, the Talent stent graft (both Medtronic, Santa Rosa, Calif). METHODS: Patient treated from January 2005 to December 2010 in a single tertiary center in The Netherlands with a Talent or Endurant stent graft were eligible for inclusion...
March 30, 2017: Journal of Vascular Surgery
Marcus R Kret, Kenneth Tran, Jason T Lee
INTRODUCTION: and Objectives: Implications of aortic neck dilatation following EVAR are unclear. Previous studies are limited to comparisons of individual, early-generation devices. We compared aortic neck dilatation among contemporary stent-grafts. METHODS: We reviewed pre- and post-op CTA for EVARs performed from 2008-2014. Images were analyzed using 3-D centerline reconstructions. Aortic neck diameter was measured in orthogonal planes at and 10 mm below the lowest renal artery...
March 21, 2017: Annals of Vascular Surgery
S L Zettervall, P A Soden, S E Deery, K Ultee, K E Shean, F Shuja, R L Amdur, M L Schermerhorn
OBJECTIVES: Surgeons have multiple grafts options available for the endovascular treatment of abdominal aortic aneurysm (EVAR), and some hypothesize that suprarenal fixation endografts may result in higher rates of renal complications than infrarenal endografts. This study aimed to compare the outcomes of contemporary suprarenal and infrarenal endografts. METHODS: The Targeted Vascular Module of the National Surgical Quality Improvement Project was utilised to identify patients undergoing EVAR for infrarenal aneurysm from 2011 to 2013...
March 6, 2017: European Journal of Vascular and Endovascular Surgery
Shizuyuki Dohi, Yasutaka Yokoyama, Taira Yamamoto, Kenji Kuwaki, Akifusa Hariya, Kan Kajimoto, Hironobu Yamaoka, Akie Shimada, Ryo Tsuruta, Atsushi Amano
PURPOSE: To describe a technique suitable for treating severely angulated (>75°) necks during endovascular aneurysm repair using the Endurant stent-graft. TECHNIQUE: In the push-up technique, the suprarenal stent is released early to fix the proximal stent-graft in place so that each stent in the neck can be deployed individually without displacing the device upward. It is important to push the delivery system up after each stent deployment to allow the fabric between the stents to fold up circumferentially...
February 1, 2017: Journal of Endovascular Therapy
Chih Hung Lai, Chung Lin Tsai, Wei Chun Chang, Chieh Shou Su, Wen Lieng Lee
Subclavian artery (SCA) perforation is a rare complication while performing SCA intervention. In our present report, a 73-year-old female, with stenosis of the left SCA and situs inversus, presented with exercise-induced left arm weakness. The SCA stenosis was treated with direct stenting with a balloon-expansible Express LD 10×25 mm stent. However, it caused iatrogenic SCA perforation and hemothorax. The perforation was sealed by endovascular repair with operator-modified Endurant II graft stent, which complicated with occlusion of left common carotid artery...
March 2017: Yonsei Medical Journal
Nelson F G Oliveira, Frederico M Bastos Gonçalves, Marie Josee Van Rijn, Quirina de Ruiter, Sanne Hoeks, Jean-Paul P M de Vries, Joost A van Herwaarden, Hence J M Verhagen
OBJECTIVE: Endovascular aneurysm repair (EVAR) has progressively expanded to treat more challenging anatomies. Although EVAR in patients with wide infrarenal necks has been reported with acceptable results, there is still controversy regarding the longer-term outcomes. Our aim is to determine the impact of infrarenal neck diameter on midterm outcome following EVAR with a single endograft with suprarenal fixation. METHODS: A retrospective case-control study was designed using data from a prospective multicenter database...
January 7, 2017: Journal of Vascular Surgery
Johannes T Boersen, Esme J Donselaar, Erik Groot Jebbink, Roeliene Starreveld, Simon P Overeem, Cornelis H Slump, Jean-Paul P M de Vries, Michel M P J Reijnen
BACKGROUND: The chimney technique has been successfully used to treat juxtarenal aortic aneurysms. The two main issues with this technique are gutter formation and chimney graft (CG) compression, which induce a risk for type Ia endoleaks and stent thrombosis, respectively. In this benchtop study, the geometry and renal artery flow of chimney endovascular aneurysm repair configurations were compared with chimney configurations with endovascular aneurysm sealing (ch-EVAS). METHODS: Seven flow phantoms were constructed, including one control and six chimney endovascular aneurysm repairs (Endurant [Medtronic Inc, Minneapolis, Minn] and AFX [Endologix Inc, Irvine, Calif]) or ch-EVAS (Nellix, Endologix) configurations, combined with either balloon-expandable or self-expanding CGs with an intended higher positioning of the right CG in comparison to the left CG...
December 14, 2016: Journal of Vascular Surgery
Jiang Xiong, Yangyang Ge, Xiaoping Liu, Lijun Wang, Wei Guo
PURPOSE: To describe the use and 6-month outcomes of the octopus endograft technique to reconstruct renovisceral arteries arising from the false lumen (FL) of a type B aortic dissection after thoracic endovascular aortic repair (TEVAR). CASE REPORT: A 46-year-old man post TEVAR for type B aortic dissection was admitted with persistent back pain and a rapidly expanding residual dissection. The celiac and left renal arteries arose from the FL and the superior mesenteric artery from both lumens, with the FL as its main supply...
February 2017: Journal of Endovascular Therapy
Y Law, Y C Chan, S Wk Cheng
INTRODUCTION: The use of a proximal Palmaz stent is a well-recognised technique to treat proximal endoleak in endovascular aortic repair. This study aimed to report the effectiveness and safety of an intra-operative Palmaz stent for immediate type 1a endoleak in Hong Kong patients. METHODS: This case series was conducted at a tertiary hospital in Hong Kong. In a cohort of 494 patients who underwent infrarenal endovascular aortic repair from July 1999 to September 2015, 12 (2...
December 2016: Hong Kong Medical Journal, Xianggang Yi Xue za Zhi
Toshiya Nishibe, Toru Iwahashi, Kentaro Kamiya, Kayo Toguchi, Keita Maruno, Toshiki Fujiyoshi, Yukio Muromachi, Shun Suzuki, Jun Koizumi, Hitoshi Ogino
BACKGROUND: We aimed to review 50 consecutive Japanese abdominal aortic aneurysm (AAA) and common iliac aneurysm (CIAA) patients to evaluate the 2-year outcomes, particularly endoleak and aneurysm sac shrinkage, of the Endurant stent graft. METHODS: Between June 2012 and January 2014, 50 consecutive Japanese AAA and CIAA patients underwent EVAR with the Endurant stent graft. Clinical outcomes of overall survival, aneurysm-related survival, and secondary intervention-free survival were analyzed; endoleaks and aneurysm sac changes were also evaluated...
June 2017: International Angiology: a Journal of the International Union of Angiology
Anastasios Raptis, Michalis Xenos, Efstratios Georgakarakos, George Kouvelos, Athanasios Giannoukas, Nicos Labropoulos, Miltiadis Matsagkas
Endovascular aneurysm repair (EVAR) of abdominal aortic aneurysms results in redirection of blood through the deployed endograft (EG). Even though EVAR is clinically effective, the absolute flow restoration is not warranted. Our purpose was to compare the physiological with the post-EVAR infrarenal flow conditions. We developed patient-specific models based on computed tomography data of five healthy volunteers and ten patients treated with the Endurant(®) stent-graft system. Wall shear stress (WSS), helicity, pressure and velocity fields were calculated using computational fluid dynamics...
February 2017: Computer Methods in Biomechanics and Biomedical Engineering
Felice Pecoraro, Giuseppe Corte, Ettore Dinoto, Giovanni Badalamenti, Salvatore Bruno, Guido Bajardi
PURPOSE: We aimed to compare the outcomes of the Endurant II (Medtronic) stent-graft used under instructions for use versus off-label in high-risk patients considered unfit for conventional surgery. METHODS: Data from patients treated with the Endurant II stent-graft between December 2012 and March 2015 were retrospectively analyzed. Sixty-four patients were included. Patients were assigned to group A if treated under instructions for use (n=34, 53%) and to group B if treated off-label (n=30, 47%)...
September 2016: Diagnostic and Interventional Radiology: Official Journal of the Turkish Society of Radiology
Ioakeim T Giagtzidis, Konstantinos Konstantinidis, Thomas E Kalogirou, Christos D Karkos, Konstantinos O Papazoglou
BACKGROUND: To describe our experience with the endovascular treatment of focal abdominal aortic pathology with an adequate distal neck length using Endurant (Medtronic) aortic extension cuffs. METHODS: From July 2010 to May 2015, 16 patients (14 male), with a mean age of 73.6 years (range, 59-88), were treated for focal abdominal aortic pathology using only Endurant (Medtronic) aortic cuff extensions. The indication for intervention was a saccular abdominal aortic aneurysm (AAA) in 5 patients, a fusiform aortic aneurysm in 6 patients, abdominal aortic dissection in 2 patients, an aortic juxtarenal rupture in 1 patient, a large anastomotic pseudoaneurysm of previous bifurcated open repair in 1 patient, and a juxtarenal aneurysm above a previous open AAA repair...
October 2016: Annals of Vascular Surgery
Naoki Fujimura, Hideaki Obara, Kentaro Matsubara, Yasuhito Sekimoto, Hirohisa Harada, Masanori Inoue, Hideyuki Shimizu, Yuko Kitagawa
PURPOSE: To compare the effects of the currently most-used third-generation stent grafts on early aneurysm sac shrinkage, a proposed marker of successful endovascular aneurysm repair (EVAR). MATERIALS AND METHODS: EVARs performed from 2009 to 2013 at 2 institutions were retrospectively analyzed. Patients treated with a Zenith, EXCLUDER, or Endurant device who completed imaging studies before EVAR and at 1, 6, 12, and 24 months afterward were included. Sac shrinkage was compared by volumetry...
October 2016: Journal of Vascular and Interventional Radiology: JVIR
I M Ignatyev, M Yu Volodyukhin, A V Zanochkin, A Yu Rafikov, R N Khairullin
The article deals with a case report concerning successful stagewise treatment of a patient presenting with a giant false abdominal aortic paraanastomotic aneurysm having developed 2 months after an operation of linear prosthetic repair for a juxtarenal aneurysm with reimplantation of the left renal artery. The secondary operation was carried out 3 months after aortic reconstruction. The first stage consisted in performing endovascular prosthetic repair of the abdominal aortic paraanastomotic pseudoaneurysm by means of a bifurcated stent graft Endurant II (Medtronic), with the second stage being laparotomy with the removal of the retroperitoneal haematoma...
2016: Angiologii︠a︡ i Sosudistai︠a︡ Khirurgii︠a︡, Angiology and Vascular Surgery
Martijn L Dijkstra, Steven M M van Sterkenburg, Jan-Willem Lardenoye, Clark J Zeebregts, Michel M P J Reijnen
PURPOSE: To evaluate the outcome and survival of patients with extensive comorbid conditions after endovascular aneurysm repair (EVAR) and objectify which of 2 medical comorbidity classifications is more accurate in predicting adverse outcomes. METHODS: All 1263 patients (mean age 73.1 years; 1129 men) treated using the Endurant Stent Graft system and entered in the prospective global postmarketing ENGAGE registry ( identifier NCT00870051) were grouped using the American Society of Anesthesiologists (ASA) classification and the Society for Vascular Surgery/American Association for Vascular Surgery (SVS/AAVS) medical comorbidity grading system...
August 2016: Journal of Endovascular Therapy
Michael J Singh, Ronald Fairman, Paul Anain, William D Jordan, Thomas Maldonaldo, Russell Samson, Michel S Makaroun
OBJECTIVE: To report the 5-year outcomes from the Endurant Stent Graft System in the U.S. regulatory trial (bifurcated Endurant; Medtronic Santa Rosa, Calif). METHODS: The study was a prospective, multicenter, regulatory trial performed at 26 U.S. sites. From June 2008 to April 2009, 150 patients with abdominal aortic aneurysms (AAAs) were treated with the Endurant bifurcated graft. The main inclusion criteria included AAA diameter >5 cm (or 4-5 cm in diameter where the size increased more than 5 mm within the previous 6 months), neck length ≥10 mm, and neck angulation ≤60 degrees...
July 2016: Journal of Vascular Surgery
Nicola Troisi, Konstantinos P Donas, Kristin Weiss, Stefano Michelagnoli, Giovanni Torsello, Theodosios Bisdas
OBJECTIVE: The purpose of this study was to compare the outcomes obtained with Endurant stent graft in the early and midterm period in the treatment of patients with narrow aortic bifurcation vs patients with standard aortic bifurcation. METHODS: Data were prospectively collected from 817 patients with abdominal aortic aneurysm treated between November 2007 and August 2014 with the Endurant stent graft at our center. There were 87 patients (10.6%) with a narrow aortic bifurcation (≤20 mm; NA group)...
May 2016: Journal of Vascular Surgery
Konstantinos P Donas, Giovanni B Torsello, Gianluca Piccoli, Georgios A Pitoulias, Giovanni Federico Torsello, Theodosios Bisdas, Martin Austermann, Daniele Gasparini
OBJECTIVE: The chimney/snorkel endovascular aortic repair (ch-EVAR) is gaining ever-greater acceptance in the treatment of pararenal pathologic processes. However, the published experience includes mainly short-term clinical results with combinations of several abdominal devices and types of chimney grafts. The aim of this study was the midterm evaluation of the Endurant stent graft (Medtronic, Santa Rosa, Calif) as a standard abdominal device for ch-EVAR. METHODS: Between January 2009 and January 2013, prospectively collected data of high-risk patients with pararenal pathologic processes who underwent ch-EVAR with placement of the Endurant abdominal device were analyzed...
January 2016: Journal of Vascular Surgery
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