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https://www.readbyqxmd.com/read/27908817/clinical-outcome-after-endovascular-sealing-of-abdominal-aortic-aneurysms-evas-a-retrospective-cohort-study
#1
Maria Karouki, Charles Swaelens, Luigi Iazzolino, Richard G McWilliams, Robert K Fisher, Andrew England, Francesco Torella
PURPOSE: To present the clinical outcome of endovascular sealing of abdominal aortic aneurysms (EVAS) with the Nellix endoprosthesis in patients with abdominal aortic aneurysms treated in our institution. METHODS: This was a retrospective, single centre, observational cohort study. A departmental database was interrogated in order to extract demographics, clinical information and outcome of all patients treated with EVAS between December 2013 and December 2015. Outcome measures included technical success (successful device deployment and absence of any endoleak at completion angiography), mortality, major complications, incidence of endoleaks, aneurysm rupture and reintervention...
November 28, 2016: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/27864459/feasibility-and-technical-aspects-of-proximal-nellix-in-nellix-extension-for-late-caudal-endograft-migration
#2
Esmé J Donselaar, Andrew Holden, Aleksandra C Zoethout, Clark J Zeebregts, Michel M P J Reijnen
PURPOSE: To describe the feasibility and technical aspects of a proximal Nellix-in-Nellix extension to treat caudal stent-graft migration after endovascular aneurysm sealing (EVAS) in the in vitro and in vivo settings. METHODS: In vitro studies were designed (1) to assess inner diameters of Nellix-in-Nellix extensions after postdilation with 12-mm balloons and (2) to test wall apposition in tubes with different diameters using a Nellix-in-Nellix stent-graft that extended out of the original Nellix stent-graft lumen by 10, 20, 30, and 40 mm...
November 17, 2016: Journal of Endovascular Therapy
https://www.readbyqxmd.com/read/27864458/three-dimensional-analysis-of-component-stability-of-the-nellix-endovascular-aneurysm-sealing-system-after-treatment-of-infrarenal-abdominal-aortic-aneurysms
#3
Bernhard Dorweiler, Christian Boedecker, Friedrich Dünschede, Christian F Vahl, Marwan Youssef
PURPOSE: To assess short-term stability and conformational changes of the Nellix EndoVascular Aneurysm Sealing (EVAS) System using 3-dimensional (3D) analysis. METHODS: Postoperative computed tomography (CT) scans obtained at 0, 3, and 12 months in 24 patients (mean age 75±7 years; 22 men) who underwent EVAS between December 2013 and December 2014 for intact abdominal aortic aneurysm (within the instructions for use) were evaluated for stent-graft deviation in multiple planes using dedicated 3D analysis software...
November 17, 2016: Journal of Endovascular Therapy
https://www.readbyqxmd.com/read/27823592/secondary-interventions-after-endovascular-aneurysm-sac-sealing-endoleak-embolization-and-limb-related-interventions
#4
REVIEW
Seyed Ameli-Renani, R A Morgan
The Nellix endovascular aneurysm sealing system is a novel alternative to conventional endovascular aneurysm repair for aortic aneurysm management using paired balloon expandable endografts supported by polymer-filled endobags to achieve sealing and anatomic fixation. Part of the promise of endovascular aneurysm sealing is increased resistance to lateral and longitudinal forces and thus a potential for reduced rates of device-related failures, particularly endoleaks. Initial efficacy data on this device are encouraging, but our knowledge of its associated complications and their management is limited...
March 2016: Seminars in Vascular Surgery
https://www.readbyqxmd.com/read/27823591/nellix-endovascular-aneurysm-sealing-system-device-description-technique-of-implantation-and-literature-review
#5
REVIEW
Nayara Cioffi Batagini, David Hardy, Daniel G Clair, Lee Kirksey
Clinical outcome reports document that from 30% to 60% of endovascular aneurysm repair procedures are performed outside of US Food and Drug Administration-approved Instruction for Use, or "off label." Endovascular aneurysm repair performed outside of Instruction for Use has a significantly higher rate of device failure, potentially requiring device reintervention and even planned or emergent explant. The Nellix device has the potential to reduce the rate of aneurysm device failure through its novel design. The objective of this article was to introduce the Nellix EndoVascular Aneurysm Sealing System and indications for use and describe the technique of implantation...
March 2016: Seminars in Vascular Surgery
https://www.readbyqxmd.com/read/27798382/relining-failing-abdominal-aortic-stent-grafts-with-the-nellix-endoprosthesis-a-new-technique-in-the-endovascular-armamentarium
#6
Francesco Torella, Richard G McWilliams, Robert K Fisher
No abstract text is available yet for this article.
October 26, 2016: Journal of Endovascular Therapy
https://www.readbyqxmd.com/read/27798381/endovascular-aneurysm-sealing-evas-and-chimney-evas-in-the-treatment-of-failed-endovascular-aneurysm-repairs
#7
Marwan Youssef, Sebastian Zerwes, Rudolf Jakob, Oroa Salem, Fritz Dünschede, Christian F Vahl, Bernhard Dorweiler
PURPOSE: To assess the technical success and clinical outcome of reinterventions using the Nellix Endovascular Aneurysm Sealing (EVAS) System to treat complications after endovascular aneurysm repair (EVAR). METHODS: Fifteen consecutive patients (mean age 79 years; 14 men) with prior EVAR were treated with EVAS between March 2014 and December 2015 at 2 institutions. The failed prior EVARs included 13 bifurcated endografts, 1 bifurcated graft plus fenestrated cuff, and 1 tube endograft...
October 26, 2016: Journal of Endovascular Therapy
https://www.readbyqxmd.com/read/27776696/preservation-of-hypogastric-flow-and-control-of-iliac-aneurysm-size-in-the-treatment-of-aortoiliac-aneurysms-using-the-nellix-endovascular-aneurysm-sealing-endograft
#8
Dainis K Krievins, Janis Savlovskis, Andrew H Holden, Kaspars Kisis, Andrew A Hill, Marcis Gedins, Natalija Ezite, Christopher K Zarins
OBJECTIVE: The purpose of this study was to determine the long-term effectiveness of endovascular aneurysm sealing (EVAS) in the treatment of complex aortoiliac aneurysms with preservation of hypogastric artery flow. METHODS: We reviewed all patients with abdominal aortic aneurysms (AAAs) and common iliac aneurysms (CIAs) enrolled and treated in prospective studies of EVAS using the Nellix endograft (Endologix, Irvine, Calif) at two centers from 2008 to 2014. Patients with 1 year or more of computed tomography follow-up underwent quantitative morphometric assessment by two independent vascular radiologists blinded to clinical outcome results...
November 2016: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/27666797/juxtarenal-inflammatory-aneurysm-treated-with-bilateral-iliac-renal-bypass-using-the-gore-hybrid-device-and-total-sealing-of-the-aneurysmal-sac-with-a-nellix-device
#9
Ombretta Martinelli, Alban Malaj, Roberto Gattuso, Luigi Irace, Bruno Gossetti
The aim of this study is to present the treatment of a juxtarenal inflammatory aneurysm using a Nellix device (Endologix, Inc., Irvine, CA) to seal the entire aneurysmatic aorta combined with bilateral iliac-renal bypass using the Gore hybrid vascular graft (W. L. Gore & Associates, Inc., Flagstaff, AZ). A 63-year-old man was diagnosed with a 6-cm juxtarenal inflammatory aneurysm. It was initially decided to treat him with an aorto-aortic bypass and to revascularize the 2 renal arteries with "graft to renal artery bypass" using Gore hybrid vascular grafts...
September 22, 2016: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/27598051/nellix-stent-graft-migration-after-endovascular-aneurysm-sealing
#10
George A Antoniou, Khalid Bashaeb, Riza Ibrahim
No abstract text is available yet for this article.
September 6, 2016: VASA. Zeitschrift Für Gefässkrankheiten
https://www.readbyqxmd.com/read/27586091/the-nellix%C3%A2-endovascular-sealing-system-in-patients-with-abdominal-aortic-aneurysms-in-conjunction-with-iliac-artery-occlusive-disease
#11
Steven Mm van Sterkenburg, Leo H van den Ham, Luuk Smeets, Jan-Willem Lardenoije, Michel Mpj Reijnen
INTRODUCTION: Concomitant abdominal aortic aneurysm formation and aortoiliac occlusive disease is a challenging combination, often requiring open reconstructive surgery. In this study, we have assessed a single center experience of the Nellix EndoVascular Aneurysm Sealing System in the treatment of an abdominal aortic aneurysm in conjunction with iliac artery occlusive disease. METHODS: Retrospectively case files of patients treated with Nellix EndoVascular Aneurysm Sealing System in a single center were reviewed...
August 31, 2016: Vascular
https://www.readbyqxmd.com/read/27555430/endovascular-aneurysm-sealing-early-and-midterm-results-from-the-evas-forward-global-registry
#12
Matt M Thompson, Jan M Heyligers, Paul D Hayes, Michel M P J Reijnen, Dittmar Böckler, Hubert Schelzig, Jean-Paul P M de Vries, Dainis Krievins, Andrew Holden
PURPOSE: To report the early and 12-month results of a global registry of patients treated with endovascular aneurysm sealing (EVAS) for abdominal aortic aneurysms (AAAs). METHODS: The EVAS FORWARD Global Registry was a postmarket, multicenter, open-label, single-arm registry that enrolled 277 patients (mean age 75 years; 228 men) treated with the Nellix EVAS system for nonruptured AAAs at 18 sites over a 1-year period. The cohort had challenging aortic anatomy, with 17% having a proximal aortic neck length <10 mm, 8% a neck angulation >60°, and 20% an iliac diameter >25 mm...
October 2016: Journal of Endovascular Therapy
https://www.readbyqxmd.com/read/27527570/the-endovascular-sealing-device-in-combination-with-parallel-grafts-for-treatment-of-juxta-suprarenal-abdominal-aortic-aneurysms-short-term-results-of-a-novel-alternative
#13
J L De Bruin, J R Brownrigg, B O Patterson, A Karthikesalingam, P J Holt, R J Hinchliffe, I M Loftus, M M Thompson
BACKGROUND: The chimney technique using parallel grafts offers an alternative to fenestrated or branched endovascular solutions for juxtarenal and suprarenal aneurysms. Endograft deployment proximal to the renal or visceral ostia is combined with parallel stents to the aortic side branches. Application of the chimney technique using the Nellix device (Ch-EVAS) may offer some potential advantages with respect to the seal between the endograft and the parallel grafts. This study aimed to investigate the feasibility and efficacy of the Nellix endovascular aneurysm sealing (EVAS) system in conjunction with parallel grafts for the treatment of juxtarenal and suprarenal aneurysms...
October 2016: European Journal of Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/27380870/early-enlargement-of-aneurysmal-sac-and-separation-of-endobags-of-nellix-endovascular-aneurysm-sealing-system-as-signs-of-increased-risk-of-later-aneurysm-rupture
#14
Lik Fai Cheng, Kwok Fai Cheung, Kwong Man Chan, Johnny Ka Fai Ma, Wing Hang Luk, Micah Chi King Chan, Carol Wing Kei Ng, Neeraj Ramesh Mahboobani, Wai Kin Ng, Ting Wong
Nellix Endovascular Aneurysm Sealing (EVAS) system is a new concept and technology of abdominal aortic aneurysm (AAA) repair. Elective EVAS using Nellix device was performed for a 83-year-old man with AAA. 2-month post-EVAS CTA surveillance demonstrated mild enlargement of aneurysmal sac and separation of the EndoBags, but without detectable endoleak. The patient developed sudden AAA rupture with retroperitoneal hematoma at about 4 months after EVAS. We postulated that early enlargement of aneurysmal sac and separation of EndoBags of Nellix devices after EVAS, even without detectable endoleak, might indicate significant aneurysmal wall weakening with increased risk of later AAA rupture...
November 2016: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/27371944/midterm-outcomes-of-the-nellix-endovascular-aneurysm-sealing-system-a-dual-center-experience
#15
Roberto Silingardi, Giovanni Coppi, Emanuele Ferrero, Antonio Lauricella, Daniele Psacharopulo, Giuseppe Saitta, Andrea Viazzo, Michelangelo Ferri
PURPOSE: To report midterm outcomes of the Nellix Endovascular Aneurysm Sealing (EVAS) System in the treatment of abdominal aortic aneurysm (AAA). METHODS: Between September 2013 and July 2014, 64 AAA patients (mean age 76.6±6.8 years; 61 men) were treated with the EVAS system at 2 centers (only procedures performed at least 12 months prior to the analysis were included). Most patients were treated for a stable AAA, while 1 patient was treated for a ruptured aneurysm...
October 2016: Journal of Endovascular Therapy
https://www.readbyqxmd.com/read/27066946/migration-of-the-nellix-endoprosthesis
#16
Andrew England, Francesco Torella, Robert K Fisher, Richard G McWilliams
BACKGROUND: This study reports the incidence and sequelae of migration of the Nellix (Endologix Inc, Irvine, Calif) endoprosthesis after endovascular aneurysm sealing. METHODS: A review was performed of the follow-up imaging of all endovascular aneurysm sealing patients in a university hospital endovascular program who had a minimum follow-up of 1 year. The first postoperative and latest follow-up computed tomography scans were used to measure the distances between the proximal and distal borders of the stent grafts relative to reference vessels using a previously validated technique...
April 9, 2016: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/27044271/a-rescue-technique-for-intraoperative-proximal-migration-of-a-nellix-stent-during-endovascular-aneurysm-sealing
#17
Francesco Torella, James R H Scurr, Mo Barkat, Robert K Fisher, Richard G McWilliams
PURPOSE: To describe a technique to rescue intraoperative migration of 1 of the 2 Nellix stents during endovascular sealing of abdominal aortic aneurysms (EVAS). TECHNIQUE: The technique requires advancement and inflation of a 10-mm angioplasty balloon into the inlet of the migrated stent via an upper limb approach. Inflation of the balloon allows completion of EVAS without risking the contralateral endobag occluding the inlet of the migrated stent. CONCLUSION: This technique allows safe completion of EVAS without compromising stent patency or aneurysm seal and should be considered when intraoperative migration of a Nellix stent occurs despite appropriate precautions...
June 2016: Journal of Endovascular Therapy
https://www.readbyqxmd.com/read/26891168/endovascular-repair-of-paravisceral-aortic-aneurysms-combining-chimney-grafts-and-the-nellix-endovascular-aneurysm-sealing-technology-four-vessel-chevas
#18
Marwan Youssef, Friedrich Dünschede, Hazem El Beyrouti, Ora Salem, Christian-Friedrich Vahl, Bernhard Dorweiler
Background We demonstrate our initial experience and first results of the endovascular aneurysm sealing (EVAS) technology with chimney grafts for the treatment of paravisceral aneurysms. Methods We present a consecutive series of seven patients with a mean age of 75 years who had been treated by four-vessel-chimney EVAS (ChEVAS) between May 2014 and May 2015. All patients were ASA grade ≥ III and were not eligible for fenestrated/branched endovascular aortic repair (fEVAR/brEVAR) due to urgency (n = 5) or anatomical constraints (n = 2)...
February 18, 2016: Thoracic and Cardiovascular Surgeon
https://www.readbyqxmd.com/read/26868482/type-iiib-endoleak-and-relining-a-mathematical-model-of-distraction-forces
#19
Charles Swaelens, Robert J Poole, Francesco Torella, Richard G McWilliams, Andrew England, Robert K Fisher
PURPOSE: To examine the changes in distraction force following relining of a conventional abdominal aortic stent-graft with a type IIIb endoleak using the Nellix endovascular sealing device compared to a unilateral stent-graft. METHODS: Relining is often used to repair type IIIb endoleaks, but the consequences to graft stability are unknown. A mathematical model was constructed based on pressure and volume flow through the stent-grafts, incorporating recognized distraction force equations...
April 2016: Journal of Endovascular Therapy
https://www.readbyqxmd.com/read/26830936/transcatheter-embolization-of-type-ia-endoleak-after-nellix-endovascular-aortic-aneurysm-sealing-with-n-butyl-cyanoacrylate-technique-in-three-patients
#20
John Julian Harvey, Brew Stefan, Andrew Hill, Andrew H Holden
The successful transcatheter treatment of a type IA endoleak after endovascular aortic aneurysm sealing with the Nellix EndoVascular Aneurysm Sealing system (Endologix Inc, Irvine, California) using proximal covered stent extension and transarterial N-butyl cyanoacrylate sac embolization is described. Three patients were treated using the same technique with a mean interval between the index procedure and reintervention of 9.3 months (range, 3-15 mo). No complications or endoleaks were seen on follow-up imaging...
February 2016: Journal of Vascular and Interventional Radiology: JVIR
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