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Type 2 endoleak

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https://www.readbyqxmd.com/read/28096831/predeployed-aortic-extension-cuff-kilt-in-evar-with-hostile-neck-anatomy-using-endurant-ii-system-preliminary-results
#1
Krzysztof Szaniewski, Magdalena Biernacka, Ryszard L Walas, Marian Zembala
INTRODUCTION: Various modifications of standard endovascular aortic aneurysm repair (EVAR) have been developed to solve the problem of difficult neck anatomy. AIM: The authors propose the implantation of a predeployed extension cuff (kilt) using on-shelf Endurant II elements. In a vast majority of cases, the proposed method provides a solution for the hostile neck problem using standard Endurant II elements available in all centers performing subrenal EVAR procedures...
December 2016: Kardiochirurgia i Torakochirurgia Polska, Polish Journal of Cardio-Thoracic Surgery
https://www.readbyqxmd.com/read/28078379/chitosan-sodium-tetradecyl-sulfate-hydrogel-characterization-and-preclinical-evaluation-of-a-novel-sclerosing-embolizing-agent-for-the-treatment-of-endoleaks
#2
Fatemeh Zehtabi, Vincent Dumont-Mackay, Ahmed Fatimi, Antony Bertrand-Grenier, Hélène Héon, Gilles Soulez, Sophie Lerouge
PURPOSE: To compare the efficacy of an embolization agent with sclerosing properties (made of chitosan and sodium tetradecyl sulfate, CH-STS) with a similar embolization agent but without sclerosing properties (made of chitosan, CH) in treating endoleaks in a canine endovascular aneurysm repair model. METHODS: Two chitosan-based radiopaque hydrogels were prepared, one with STS and one without STS. Their rheological, injectability, and embolizing properties were assessed in vitro; afterwards, their efficacy in occluding endoleaks was compared in a canine bilateral aneurysm model reproducing type I endoleaks (n = 9 each)...
January 11, 2017: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/28073666/standard-endovascular-aneurysm-repair-in-patients-with-wide-infrarenal-aneurysm-necks-is-associated-with-increased-risk-of-adverse-events
#3
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
https://www.readbyqxmd.com/read/28058986/midterm-results-of-proximal-aneurysm-sealing-with-the-ovation-stent-graft-according-to-on-vs-off-label-use
#4
Gianmarco de Donato, Francesco Setacci, Luciano Bresadola, Patrizio Castelli, Roberto Chiesa, Nicola Mangialardi, Giovanni Nano, Carlo Setacci
PURPOSE: To compare the use of the Ovation stent-graft according to the ≥7-mm neck length specified by the original instructions for use (IFU) vs those treated off-label (OL) for necks <7 mm long. METHODS: A multicenter retrospective registry (TriVascular Ovation Italian Study) database of all patients who underwent endovascular aneurysm repair with the Ovation endograft at 13 centers in Italy was interrogated to identify patients with a minimum computed tomography (CT) follow-up of 24 months, retrieving records on 89 patients (mean age 76...
January 1, 2017: Journal of Endovascular Therapy
https://www.readbyqxmd.com/read/28034587/factors-that-affect-cost-and-clinical-outcome-of-endovascular-aortic-repair-for-abdominal-aortic-aneurysm
#5
Monica S O'Brien-Irr, Linda M Harris, Hasan H Dosluoglu, Gregory S Cherr, Mariel Rivero, Sonya Noor, G Richard Curl, Maciej L Dryjski
OBJECTIVE: This study evaluated the effect of indication for use (IFU), additional graft components, and percutaneous closure of endovascular aortic repair (PEVAR) on clinical outcomes and cost of endovascular aortic repair (EVAR). METHODS: Clinical and financial data were obtained for all elective EVARs completed at a university-affiliated medical center between January 2012 and June 2013. Data were analyzed by χ(2), Student t-test for independent samples, and Kaplan-Meier survival...
December 26, 2016: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28029566/midterm-results-of-the-fenestrated-anaconda-endograft-for-short-neck-infrarenal-and-juxtarenal-abdominal-aortic-aneurysm-repair
#6
Louise L Blankensteijn, Martijn L Dijkstra, Ignace F J Tielliu, Michel M P J Reijnen, Clark J Zeebregts
OBJECTIVE: The fenestrated Anaconda endograft (Vascutek, Renfrewshire, Scotland) was introduced in 2010 and showed promising short-term results with high technical success and low morbidity rates. The aim of this study was to present the midterm results, with a minimum of 12 months follow-up, for all patients treated with the fenestrated Anaconda endograft in The Netherlands. METHODS: Patients treated with the fenestrated Anaconda endograft between May 2011 and February 2015 were included...
October 28, 2016: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/27998049/long-term-results-of-outside-instructions-for-use-evar
#7
José Oliveira-Pinto, Nelson Oliveira, Frederico Bastos-Gonçalves, Sanne Hoeks, Marie J VAN Rijn, Sander Ten Raa, Armando Mansilha, Hence J Verhagen
BACKGROUNG: Endovascular aneurysm repair (EVAR) has progressively expanded to more complex anatomies, frequently outside manufacturer's instructions for use (IFU). However, the long term results of off-label use of EVAR remains largely undocumented. The aim of this paper is to examine the long term results of outside IFU EVAR. METHODS: English literature was searched to identify publications on long term results for outside IFU EVAR. A follow-up extending for at least 5 years was the minimum required as inclusion criteria...
December 19, 2016: Journal of Cardiovascular Surgery
https://www.readbyqxmd.com/read/27993503/comparison-of-type-ii-endoleak-embolizations-embolization-of-endoleak-nidus-only-versus-embolization-of-endoleak-nidus-and-branch-vessels
#8
Hyeon Yu, Hemant Desai, Ari J Isaacson, Robert G Dixon, Mark A Farber, Charles T Burke
PURPOSE: To compare outcomes of type II endoleak embolization involving embolization of the endoleak nidus only vs embolization of the endoleak nidus and branch vessels in patients treated with endovascular repair of abdominal aortic aneurysms. MATERIALS AND METHODS: Twenty-nine consecutive patients (mean age, 77.9 y; range, 63-88 y) with type II endoleak who underwent embolization from 2004 to 2015 were retrospectively reviewed. Patients were divided into 2 groups: embolization of endoleak nidus only (group A) and embolization of endoleak nidus and branch vessels (group B)...
December 16, 2016: Journal of Vascular and Interventional Radiology: JVIR
https://www.readbyqxmd.com/read/27988156/benchtop-quantification-of-gutter-formation-and-compression-of-chimney-stent-grafts-in-relation-to-renal-flow-in-chimney-endovascular-aneurysm-repair-and-endovascular-aneurysm-sealing-configurations
#9
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 repair (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
https://www.readbyqxmd.com/read/27986486/one-year-pivotal-trial-outcomes-of-the-nellix-system-for-endovascular-aneurysm-sealing
#10
Jeffrey P Carpenter, Robert Cuff, Clifford Buckley, Christopher Healey, Sajjad Hussain, Michel M P J Reijnen, Jose Trani, Dittmar Böckler
OBJECTIVE: The Nellix EndoVascular Aneurysm Sealing (EVAS) System (Endologix, Inc, Irvine, Calif) is a novel approach to abdominal aortic aneurysm (AAA) treatment whereby polymer is used to fill the AAA sac. We report 1-year results of the investigational device exemption pivotal trial. METHODS: Eligible patients were treated at 30 sites in the United States and Europe. Inclusion criteria required an asymptomatic infrarenal AAA, with a neck length ≥10 mm and ≤60° angle, iliac artery blood lumen diameter 9 to 35 mm, access artery diameter ≥6 mm, and serum creatinine ≤2 mg/dL...
December 13, 2016: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/27986479/prospective-nonrandomized-study-to-evaluate-endovascular-repair-of-pararenal-and-thoracoabdominal-aortic-aneurysms-using-fenestrated-branched-endografts-based-on-supraceliac-sealing-zones
#11
Gustavo S Oderich, Mauricio Ribeiro, Jan Hofer, Jean Wigham, Stephen Cha, Julia Chini, Thanila A Macedo, Peter Gloviczki
PURPOSE: To investigate outcomes of manufactured fenestrated and branched endovascular aortic repair (F-BEVAR) endografts based on supraceliac sealing zones to treat pararenal aortic aneurysms and thoracoabdominal aortic aneurysms (TAAAs). METHODS: A total of 127 patients (91 male, mean age 75 ± 10 years old) were enrolled in a prospective, nonrandomized single-center study using manufactured F-BEVAR (November 2013-March 2015). Stent design was based on supraceliac sealing zone in all patients with ≥ four vessels in 111 (89%)...
December 13, 2016: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/27974495/a-systematic-review-of-proximal-neck-dilatation-after-endovascular-repair-for-abdominal-aortic-aneurysm
#12
George N Kouvelos, Kyriakos Oikonomou, George A Antoniou, Eric L G Verhoeven, Athanasios Katsargyris
PURPOSE: To provide an updated systematic literature review and summarize current evidence on proximal aortic neck dilatation (AND) after endovascular aneurysm repair (EVAR). METHODS: A review of the English-language medical literature from 1991 to 2015 was conducted using MEDLINE and EMBASE to identify studies reporting AND after EVAR. Studies considered for inclusion and full-text review fulfilled the following criteria: (1) reported AND after EVAR, (2) included at least 5 patients, and (3) provided data on AND quantification...
February 2017: Journal of Endovascular Therapy
https://www.readbyqxmd.com/read/27932767/-mid-and-long-term-result-of-celiac-artery-coverage-in-tevar-treatment-for-aortic-dissection
#13
Ming Li, Chang Shu, Quanming Li, Tun Wang, Kun Fang
To observe the mid- and long-term result of intentional coverage of celiac artery in thoracic endovascular aortic repair (TEVAR) surgery for aortic dissection.
 Methods: We retrospectively analyzed 21 cases who received TEVAR with celiac artery coverage during the operation. The existence of collaterals between celiac artery (CA) and superior mesenteric artery (SMA) was confirmed by preoperative CT angiography (CTA) or digital substract angiography (DSA) for each patient. We used the stent-graft precisely above the orifice of SMA...
November 28, 2016: Zhong Nan da Xue Xue Bao. Yi Xue Ban, Journal of Central South University. Medical Sciences
https://www.readbyqxmd.com/read/27908804/custom-made-conical-endograft-in-the-treatment-of-saccular-abdominal-aortic-aneurysms-with-tight-and-calcified-distal-neck-thinking-out-of-the-box
#14
Efstratios Georgakarakos, Christos Argyriou, Nikolaos Schoretsanitis, George S Georgiadis
BACKGROUND: To describe the use of the combination of a conical custom-made TREO(®) (TREO CM) stent graft in the treatment of a saccular abdominal aortic endograft (AAA) with long but tight and calcified distal neck. MATERIALS AND METHODS: A 65-year-female patient was treated for a saccular 5.2 cm AAA with a 3-cm long but calcified and tight (16 mm) distal neck, precluding the safe use of a bifurcated endograft. Because the patient refused an open surgery, a conical TREO CM endograft was manufactured with 20% proximal oversizing, whereas the 3-cm caudal sealing segment demonstrated a conical configuration comprising a 2-cm and 1-cm nitinol-supported zones of 20% and 10% oversizing, respectively, to avoid excessive strain and incomplete expand at the most distal calcified area, leading ultimately to an insidious infolding and consequent type Ib endoleak...
November 28, 2016: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/27903485/endovascular-repair-of-thoraco-abdominal-aortic-aneurysm-in-high-surgical-risk-patients-fenestrated-and-branched-endografts
#15
E Gallitto, M Gargiulo, A Freyrie, C Bianchini Massoni, R Pini, C Mascoli, G L Faggioli, S Ancetti, A Stella
AIM: To report early and mid-term results of endovascular repair of thoraco-abdominal aneurysms (TAAA) by using of Cook-Zenith fenestrated/branched endografts (FB-EVAR) in high-surgical risk patients unfit for open repair (OR). METHODS: Between January 2012 and April 2015, all the patients with TAAA, considered at high-surgical risk for OR and treated by Cook-Zenith FB-EVAR, were prospectively enrolled. Patients were studied using a thoraco-abdominal computer tomography angiography (CTA) and dedicated software for advanced vessels analysis...
November 26, 2016: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/27890832/operative-treatment-of-type-2-endoleaks-involving-the-inferior-mesenteric-artery
#16
Gabriele Piffaretti, Marco Franchin, Emanuele Botteri, Luigi Boni, Gianpaolo Carrafiello, Giuseppe Battaglia, Stefano Bonardelli, Patrizio Castelli
BACKGROUND: We report the results of the operative treatment for type 2 endoleak (T2E) involving the inferior mesenteric artery (IMA) using the transarterial embolization (TAE) or the video laparoscopic ligation (VLS). METHODS: Between January 2005 and December 2015, we retrospectively analyzed 901 patients treated with endovascular aortic repair (EVAR): 883 (98%) had 1 valid postoperative radiologic evaluation, at least. All patients with operative repair for IMA-related T2E entered the final analysis...
November 24, 2016: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/27884710/predisposing-factors-for-re-interventions-with-additional-iliac-stent-grafts-after-endovascular-aortic-repair
#17
H Roos, C Sandström, G Koutouzi, A Jeppsson, M Falkenberg
BACKGROUND: Endoleaks of type Ib and III are relatively common causes of re-intervention after EVAR. The aim was to determine underlying causes and identify anatomical factors associated with these re-interventions. METHODS: A total of 444 patients with standard bifurcated stent grafts were included in a retrospective observational study. Patients requiring additional iliac stent grafts (n = 24) were compared to those who did not (n = 420). Pre- and post-operative CT examinations were reviewed in patients with additional iliac stents...
November 21, 2016: European Journal of Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/27865218/-percutaneous-endovascular-aortic-repair-with-local-anesthesia-one-day-surgery
#18
Joel Sousa, Daniel Brandão, Paulo Barreto, Joana Ferreira, José Almeida Lopes, Armando Mansilha
INTRODUCTION: To evaluate the results of the abdominal aortic aneurism endovascular treatment (EVAR), percutaneously and with local anesthesia, according to the concept of one day surgery. MATERIAL AND METHODS: Unicentric, retrospective analysis of patients with aorto-iliac aneurysmal disease, consecutively treated by EVAR with percutaneous access trough the Preclose technique (pEVAR), according to the outpatient criteria, with one overnight stay in the hospital...
June 2016: Acta Médica Portuguesa
https://www.readbyqxmd.com/read/27864459/feasibility-and-technical-aspects-of-proximal-nellix-in-nellix-extension-for-late-caudal-endograft-migration
#19
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/27864456/endovascular-treatment-of-common-iliac-artery-aneurysms-with-an-iliac-branch-device-multicenter-experience-of-140-patients
#20
Hidde Jongsma, Joost A Bekken, Wouter J J Bekkers, Clark J Zeebregts, Joost van Herwaarden, Arjan Hoksbergen, Philip Cuypers, Jean Paul P M de Vries, Hence J Verhagen, Bram Fioole
PURPOSE: To evaluate the efficacy, feasibility, and long-term outcomes of the Zenith ZBIS iliac branch device (IBD) to preserve internal iliac artery (IIA) perfusion in a large Dutch multicenter cohort. METHODS: Between September 2004 and August 2015, 140 patients (mean age 70.9±7.4 years; 130 men) with 162 IBD implantations were identified in 7 vascular centers. The indication for IBD implantation was an abdominal aortic aneurysm >55 mm with a concomitant common iliac artery (CIA) aneurysm >20 mm (n=40), a CIA aneurysm with a diameter >30 mm (n=89), or revision of a type Ib endoleak after endovascular aneurysm repair (n=11)...
November 17, 2016: Journal of Endovascular Therapy
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