keyword
https://read.qxmd.com/read/38044693/endovascular-repair-of-a-failed-nellix-endograft-proximal-sealing-zone-using-the-altura-stent-graft-a-case-report-and-literature-review
#1
Dimitrios A Chatzelas, Apostolos G Pitoulias, Georgios V Tsamourlidis, Theodosia N Zampaka, Anastasios G Potouridis, Maria D Tachtsi, Georgios A Pitoulias
Endovascular aortic aneurysm sealing (EVAS) with the Nellix endograft was initially considered a groundbreaking and acceptable alternative to conventional endovascular aortic aneurysm repair, with encouraging initial results. However, long-term follow-up has revealed a high incidence of endograft-related complications, such as caudal migration and type Ia endoleaks, indicating the need for reintervention. Managing failed EVAS remains challenging and is an ongoing topic of discussion, especially for high-risk patients...
December 4, 2023: Vascular Specialist International
https://read.qxmd.com/read/37951384/a-single-centre-long-term-follow-up-of-the-nellix-endovascular-aneurysm-sealing-system
#2
JOURNAL ARTICLE
Sven R Mathisen, Simen T Berge
OBJECTIVE: To evaluate the clinical performance of endovascular aneurysm sealing (EVAS, Endologix Inc. Nellix, Irvine, CA, USA) in treatment of abdominal aortic aneurysm (AAA) at long term follow up. METHODS: Observational, prospective, single centre study of primary AAA interventions with EVAS (n = 117) from November 2013 to November 2016. Endpoints were primary technical success, Nellix device failure, freedom from open surgical conversion (OSC), freedom from secondary intervention, sac rupture, total mortality, and aneurysm related mortality at long term follow up...
November 9, 2023: European Journal of Vascular and Endovascular Surgery
https://read.qxmd.com/read/37388254/evaluation-of-electrocardiogram-gated-computed-tomography-angiography-to-quantify-changes-in-geometry-and-dynamic-behavior-during-the-cardiac-cycle-of-the-nellix-endovascular-sealing-system
#3
JOURNAL ARTICLE
Leo H Van Den Ham, Talar Lazarian, Erik Groot Jebbink, Jan-Willem Lardenoije, Clark J Zeebregts, Michel M P J Reijnen
BACKGROUND: The Nellix endovascular sealing system (EVAS) was a unique concept with regard to its sealing concept that failed, related to high migration rates. We investigated the changes in aortoiliac morphology during the cardiac cycle before and after EVAS using electrocardiography (ECG)-gated CT. METHODS: Eight patients scheduled for EVAS were prospectively enrolled. ECG-gated CT scans were made pre- and postoperatively. Measurements were performed in the mid-systolic and mid-diastolic phases...
2023: Radiology Research and Practice
https://read.qxmd.com/read/37192857/histological-evaluation-of-the-aortic-wall-response-following-endovascular-aneurysm-repair-and-endovascular-aneurysm-sealing
#4
JOURNAL ARTICLE
Laura E Bruijn, Jan M M Heyligers, Patrick W Vriens, Jacoba van Rhijn, Joy Roy, Jaap F Hamming, Gabor Gäbel, Jan H N Lindeman
OBJECTIVE: The Nellix endovascular aneurysm sealing (EVAS) system was developed as an alternative to conventional endovascular aneurysm repair (EVAR) to minimize endoleaks. A significantly higher failure rate of EVAS may be related to an interaction between the filled endobags and the AAA wall. In general, biological information on aortic remodeling after traditional EVAR is scarce. In this light, we provide here the first histologic evaluation of aneurysm wall morphology after EVAR and EVAS...
2023: Journal of vascular surgery. Vascular science
https://read.qxmd.com/read/36705707/long-term-outcomes-following-transarterial-embolisation-of-proximal-type-i-endoleaks-post-evar
#5
JOURNAL ARTICLE
Shyamal Patel, Vyzantios Pavlidis, Seyed Ameli-Renani, Joo-Young Chun, Leto Mailli, Robert Morgan
PURPOSE: To describe the long-term outcomes following transarterial embolisation for type Ia endoleaks (ELIa) in patients who failed or were unsuitable for standard endovascular/surgical options. MATERIALS AND METHODS: A retrospective single-centre observational study was performed between October 2010 and April 2018. Technical success rates and long-term outcomes were evaluated. A sub-analysis was performed comparing outcomes of covered aortic endografts and Nellix endovascular aneurysm sealing systems...
January 27, 2023: Cardiovascular and Interventional Radiology
https://read.qxmd.com/read/36651654/mortality-analysis-of-endovascular-aneurysm-sealing-versus-endovascular-aneurysm-repair
#6
JOURNAL ARTICLE
Vinamr Rastogi, Thomas F X O'Donnell, Yoel Solomon, Rens R B Varkevisser, Priya B Patel, Jeffrey P Carpenter, Jorg L de Bruin, Michel M P J Reijnen, Hence J M Verhagen, Marc L Schermerhorn
BACKGROUND: Endovascular aneurysm sealing (EVAS), using the Nellix endovascular aneurysm sealing system, has been associated with high reintervention and migration rates. However, prior reports have suggested that EVAS might be related to a lower all-cause mortality compared with endovascular aneurysm repair (EVAR). In the present study, we examined the 5-year all-cause mortality trends after EVAS and EVAR. METHODS: We compared the 333 EVAS patients in the EVAS-1 Nellix U...
October 28, 2022: Journal of Vascular Surgery
https://read.qxmd.com/read/36623763/european-society-for-vascular-surgery-esvs-aaa-guidelines-focused-update-on-patients-treated-with-the-nellix-endovascular-aneurysm-sealing-evas-system
#7
REVIEW
J R Boyle, N Tsilimparis, I Van Herzeele, A Wanhainen
OBJECTIVE: To provide guidance on the surveillance and management of patients treated with Endovascular Aneurysm Seal (EVAS). METHOD: Based on a scoping review of risk for late serious aortic-related adverse events in patients treated with EVAS for AAA, the European Society for Vascular Surgery (ESVS) AAA Clinical Practice Guidelines Writing Committee agreed on recommendations graded according to the European Society of Cardiology (ESC) grading system. RESULTS: EVAS has a very high incidence of late endograft migration resulting in proximal type 1 endoleak with risk of rupture, requiring open conversion with device explant...
January 6, 2023: European Journal of Vascular and Endovascular Surgery
https://read.qxmd.com/read/35852447/first-case-of-nellix-stent-rupture-in-a-huge-symptomatic-abdominal-aortic-aneurysm-who-underwent-endovascular-aneurysm-sealing-7-years-before
#8
JOURNAL ARTICLE
Emanuele Ferrero, Simone Quaglino, Giuseppe Berardi, Paola Manzo, Michelangelo Ferri, Andrea Gaggiano
PURPOSE: Despite encouraging early results, mid- and long-term follow-up of endovascular aneurysm sealing (EVAS) has shown increased rates of failure mainly associated with endoleak detection and progressive bag separation with aneurysm reperfusion. CASE REPORT: We present the first case of a Nellix endograft stent fracture detected in a 91-year-old male patient, presenting with widespread abdominal pain, 7 years after elective treatment of an abdominal aortic aneurysm by EVAS...
July 19, 2022: Journal of Endovascular Therapy
https://read.qxmd.com/read/35674455/a-meta-analysis-of-mid-term-outcomes-of-endovascular-aneurysm-sealing
#9
JOURNAL ARTICLE
G Kouvelos, P Nana, A Brodis, K Spanos, P Tasoudis, A Katsargyris, E Verhoeven
BACKGROUND-AIM: Several studies have been published showing conflicting results on the outcome after endovascular aneurysm sealing (EVAS). The aim of the present study is to conduct a systematic review and meta-analysis of published evidence to assess the efficacy of EVAS in the management of patients with abdominal aortic aneurysm (AAA). METHODS: An electronic search of the English medical literature, from 2010 to March 2021, was conducted using MEDLINE, EMBASE, and Cochrane databases to find studies relevant to outcome after EVAS...
June 8, 2022: Journal of Endovascular Therapy
https://read.qxmd.com/read/35578179/what-we-have-learned-from-in-vitro-studies-of-the-chimney-endovascular-technique-for-treatment-of-complex-abdominal-aortic-aneurysms-a-systematic-review
#10
JOURNAL ARTICLE
Jorn P Meekel, Bich L Tran, Theodorus G van Schaik, Konstantinos P Donas, Gergana T Taneva, Vincent Jongkind, Kak K Yeung
BACKGROUND: A considerable number of patients with abdominal aortic aneurysms (AAA) is not eligible for standard endovascular repair. These complex cases require alternative surgical approaches including the readily available chimney graft endovascular aneurysm repair (Ch-EVAR) or sealing (Ch-EVAS). The optimal configuration for Ch-EVAR or Ch-EVAS is important for success but not yet known. OBJECTIVE: The aim of the present study was to analyze current data of the outcomes of in-vitro chimney graft treatment in complex AAA...
May 16, 2022: Vascular
https://read.qxmd.com/read/35082948/a-case-of-late-type-ia-endoleak-after-endovascular-aneurysm-sealing-using-the-nellix-system-proximal-extension-with-triple-chimney-and-gutter-endoleak-embolization
#11
JOURNAL ARTICLE
Pietro Volpe, Antonino Alberti, Vittorio Alberti, Mafalda Massara
An 87-year-old man, who submitted to endovascular aneurysm sealing (EVAS) on 2017, presented a type Ia endoleak 2 years later, with enlargement of the aneurysmal sac. We planned an endovascular procedure of correction consisting of a proximal extension through two covered stent grafts deployed into the previous Nellix stent grafts, with associated triple chimney. However, 3 months later, he had a further 5 mm aneurysmal sac enlargement. He was submitted to angiography with coil embolization of gutters, obtaining a successfully result...
December 25, 2021: Annals of Vascular Diseases
https://read.qxmd.com/read/34693086/innovative-solutions-for-endovascular-aneurysm-sealing-delayed-nellix-type-1a-endoleak
#12
JOURNAL ARTICLE
Suet Yan Ong, Tjun Yip Tang, John Chaw Chian Wang
A delayed Nellix (Endologix, Irvine, Calif) type 1a endoleak from endovascular aneurysm sealing (EVAS) is particularly challenging to treat owing to the restrictions and scarcity of the technical options available. We have described two viable endovascular solutions, with and without the availability of the Nellix endograft inventory. A Nellix-in-Nellix apparatus with multivisceral chimney, covered stent extensions and internal reinforcements can be used if Nellix endografts are available (patient 1). In the absence of Nellix endografts, we used a Viabahn-in-Nellix apparatus, also with multiple chimney stents, as an alternative and timely treatment for patient 2...
December 2021: Journal of Vascular Surgery Cases and Innovative Techniques
https://read.qxmd.com/read/34666357/the-dilemma-after-sealing-an-endovascular-aortic-aneurysm-three-ways-out
#13
JOURNAL ARTICLE
Eliza Pleban, Jacek Michalak, Jaroslaw Iwanowski, Piotr Szopinski
INTRODUCTION: Endovascular aneurysm sealing (EVAS) was commercially introduced in 2013. The initial results of EVAS were positive, leading to its widespread use. The mid- and long-term reports showed greater than expected rates of migration, which led to a recall of the device. In the present article, we describe our experience in managing type Ia endoleaks and migration occurring with the Nellix system in three different ways: open repair with Nellix explantation, Nellix-in-Nellix application (NINA technique), and the use of the multibranched Colt device originally dedicated to the treatment of thoracoabdominal aneurysms...
October 2021: Zentralblatt Für Chirurgie
https://read.qxmd.com/read/34569337/systematic-review-on-the-mid-term-outcomes-of-elective-endovascular-aneurysm-sealing-in-comparison-to-endovascular-aneurysm-repair
#14
JOURNAL ARTICLE
Aleksandra C Zoethout, Iris Hochstenbach, Maarten J van der Laan, Jean-Paul P M de Vries, Michel M P J Reijnen, Clark J Zeebregts
INTRODUCTION: The Nellix endovascular aneurysm sealing (EVAS) system has been a topic of discussion. Early results were promising but did not deliver on the long-term and the device has been recalled from the market. This study compares literature for EVAS and conventional endovascular aneurysm repair (EVAR). METHODS: A systematic review and analysis was conducted according to the preferred reporting items for systematic reviews and meta-analyses (PRISMA) guidelines...
June 2022: Journal of Endovascular Therapy
https://read.qxmd.com/read/34278074/difficult-diagnosis-and-management-of-a-complicated-nellix-graft-infection
#15
Jin Xin Lin, Sam Taylor, Cassandra Hidajat, Andrew Hill
An 81-year-old man, with a complex vascular surgical history, presents with sepsis from an infected Nellix stent-graft. He required an urgent laparotomy, explantation of the graft, and extra-anatomical repair. Although now widely used for this indication, the preoperative 18F-fluorodeoxyglucose positron emission tomography/computed tomography was nondiagnostic for his stent-graft infection. We describe our management of a complicated Nellix graft infection and discuss the utility of positron emission tomography/computed tomography for stent-graft infections...
September 2021: Journal of Vascular Surgery Cases and Innovative Techniques
https://read.qxmd.com/read/34095640/a-novel-technique-for-the-treatment-of-a-ruptured-para-anastomotic-thoracic-aortic-aneurysm-in-the-presence-of-a-chronic-abdominal-aortic-dissection
#16
Hakam Sunoqrot, Daniel Silverberg, Haitam Hater, Ahmad Abu Rmeileh, Moshe Halak
We report the case of a 69-year-old woman with Marfan syndrome and a history of multiple thoracic aortic surgeries and a coexisting dissection of her abdominal aorta. She had presented with a ruptured para-anastomotic thoracic aortic aneurysm due to an infected graft. She was treated with two parallel Nellix endografts that were placed in the true and false lumens. The surrounding endobags were inflated with a polymer that completely sealed the ruptured aorta and preserved blood flow to the visceral arteries...
June 2021: Journal of Vascular Surgery Cases and Innovative Techniques
https://read.qxmd.com/read/34058458/type-1a-endoleak-detachable-coil-embolization-after-endovascular-aneurysm-sealing-case-report
#17
JOURNAL ARTICLE
E Dinoto, F Ferlito, D Mirabella, G Tortomasi, G Bajardi, F Pecoraro
INTRODUCTION: Endovascular aneurysm sealing (EVAS) with the Nellix system was introduced to reduce endovascular aneurysm repair (EVAR) perioperative complications, especially endoleaks. Herein we report a case of successful type 1A endoleak managed with detachable coils embolization after EVAS. PRESENTATION OF CASE: A 77-year-old male was referred for abdominal pain. The angio-CT scan confirmed the previous EVAS procedure and showed a type Is2 endoleak below the right renal artery resulting in a 2...
June 2021: International Journal of Surgery Case Reports
https://read.qxmd.com/read/33917214/the-polymer-based-technology-in-the-endovascular-treatment-of-abdominal-aortic-aneurysms
#18
REVIEW
Gianmarco de Donato, Edoardo Pasqui, Claudia Panzano, Brenda Brancaccio, Gaia Grottola, Giuseppe Galzerano, Domenico Benevento, Giancarlo Palasciano
An abdominal aortic aneurysm (AAA) is a dilatation of the abdominal aorta that progressively grows until it ruptures. Treatment is typically recommended when the diameter is more than 5 cm. The EVAR (Endovascular aneurysm repair) is a minimally invasive procedure that involves the placement of an expandable stent graft within the aorta to treat aortic disease without operating directly on the aorta. For years, stent grafts' essential design was based on metallic stent frames to support the fabric. More recently, a polymer-based technology has been proposed as an alternative method to seal AAA...
April 7, 2021: Polymers
https://read.qxmd.com/read/33902354/duodenal-obstruction-in-a-patient-previously-treated-with-endovascular-aneurysm-sealing-system-repair
#19
JOURNAL ARTICLE
Carlo Biddau, Carlo Nagliati, Michele Graziano, Lorenzo Cereser, Giovanni Terrosu, Alessandro Balani
The Nellix® endovascular aneurysm sealing system (EVAS) is a relatively novel approach for the treatment of abdominal aortic aneurysms (AAAs). We present herein a case of duodenal obstruction (DO) which occurred following an EVAS treatment for the repair of an AAA. A 77-year old man was admitted to our hospital with acute abdominal pain and recurrent vomiting. Computed tomography (CT) revealed a retroperitoneal 66 × 59 × 90 mm (antero-posterior, AP; latero-lateral, LL; cranio-caudal: CC) solid mass located in the epigastrium, corresponding to the infrarenal abdominal aortic aneurysm sac, previously treated by EVAS...
November 2021: Vascular and Endovascular Surgery
https://read.qxmd.com/read/33684472/management-of-nellix-migration-and-type-ia-endoleak-from-proximal-endovascular-aneurysm-sealing-relining-to-late-open-conversion
#20
JOURNAL ARTICLE
Lorenzo Mortola, Emanuele Ferrero, Simone Quaglino, Michelangelo Ferri, Andrea Viazzo, Paola Manzo, Andrea Gaggiano
BACKGROUND: Despite promising early results, midterm failures of the Nellix endovascular aneurysm sealing (EVAS) system (Endologix Inc, Irvine, Calif) have been reported at higher than expected rates. The management of proximal endoleaks and migration differs from those after conventional endovascular aortic aneurysm repair (EVAR) owing to the peculiar design of the Nellix device. In the present study, we report a monocentric experience in the management of EVAS complications using various techniques...
October 2021: Journal of Vascular Surgery
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