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Suprarenal aneurysm

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https://www.readbyqxmd.com/read/29780288/the-assessment-of-carbon-dioxide-automated-angiography-in-type-ii-endoleaks-detection-comparison-with-contrast-enhanced-ultrasound
#1
Chiara Mascoli, Gianluca Faggioli, Enrico Gallitto, Vincenzo Vento, Giuseppe Indelicato, Rodolfo Pini, Andrea Vacirca, Andrea Stella, Mauro Gargiulo
Introduction: Iodinated contrast media completion angiography (ICM-A) may underestimate the presence of type II endoleak (ELII) after endovascular aortic repair (EVAR), particularly if they are at low flow. Contrast-enhanced ultrasound (CEUS) has been proposed as the gold standard in ELII detection during EVAR follow-up. Intraprocedural carbon dioxide (CO2 ) angiography has been shown to be useful in this setting; however no comparative studies including these three techniques are currently available...
2018: Contrast Media & Molecular Imaging
https://www.readbyqxmd.com/read/29749489/effects-of-osteoprotegerin-tnfrsf11b-in-two-models-of-abdominal-aortic-aneurysms
#2
Emina Vorkapic, Anne Kunath, Dick Wågsäter
Osteoprotegerin (OPG), additionally termed tumor necrosis factor receptor superfamily member 11B, is produced by vascular smooth muscle cells (VSMCs) and endothelial cells in the vasculature, and its release may be modulated by pro‑inflammatory cytokines, including interleukin‑1β and tumor necrosis factor‑α. The present study investigated the effects of treatment with low‑dose human recombinant OPG on abdominal aortic aneurysm (AAA) development in mice. Mice were treated with 1 µg human recombinant OPG four times (or vehicle) for 2 weeks prior to inducing AAA...
April 27, 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29724532/a-hybrid-procedure-for-suprarenal-aneurysm-after-previous-aortobifemoral-and-visceral-vessel-bypass
#3
Kwame S Amankwah, Michael J Costanza
No abstract text is available yet for this article.
April 30, 2018: European Journal of Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/29705087/long-term-outcomes-after-repair-of-symptomatic-abdominal-aortic-aneurysms
#4
Venita Chandra, Karen Trang, Whitt Virgin-Downey, Ronald L Dalman, Matthew W Mell
OBJECTIVES: Previous studies have reported increased perioperative mortality of nonruptured symptomatic abdominal aortic aneurysms (Sx-AAA) compared with asymptomatic elective AAA (E-AAA) repairs, but no long-term-outcomes have been reported. We sought to compare long-term outcomes of Sx-AAA and E-AAA after repair at a single academic institution. METHODS: Patients receiving AAA repair for Sx-AAA and E-AAA from 1995 through 2015 were included. Ruptured AAA and suprarenal or thoracoabdominal AAA were excluded...
April 25, 2018: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/29703523/four-surgical-modifications-to-the-classic-elastase-perfusion-aneurysm-model-enable-haemodynamic-alterations-and-extended-elastase-perfusion
#5
Albert Busch, Ekaterina Chernogubova, Hong Jin, Felix Meurer, Hans-Henning Eckstein, Mia Kim, Lars Maegdefessel
OBJECTIVE/BACKGROUND: Abdominal aortic aneurysm (AAA) is an individual and socioeconomic burden in today's ageing society. Treatment relies on surgical exclusion of the dilated aorta by open or endovascular repair. For research purposes, animal models are necessary and the elastase induced aneurysm model closely mimics end stage human aneurysm disease. To improve the translational value of this model, four modifications to the classic elastase perfusion procedure (PPE) in relation to human aneurysm morphology were conducted...
April 24, 2018: European Journal of Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/29685515/cerebral-embolization-during-endovascular-infrarenal-juxtarenal-and-suprarenal-aortic-aneurysm-repair-high-risk-maneuvers-and-associated-neurologic-outcomes
#6
Ruth A Benson, David Matthews, Vanessa Loftus, Grainne Nicholson, David Tropman, Ian M Loftus
BACKGROUND: Risk factors for postoperative cognitive decline after noncardiac surgery are multifactorial and poorly understood. Evidence suggests that perioperative microembolic damage to the brain on movement of wires and catheters during endovascular aortic procedures may play an important role. Endovascular aortic aneurysm repair requires invasive manipulation of wires and cannulas within the aorta, but research into cerebral emboli during aortic aneurysm repair and cognitive or neurologic injury is scarce and limited to thoracic aneurysms...
April 20, 2018: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/29673298/initial-clinical-experience-using-the-low-profile-altura-endograft-system-with-double-d-shaped-proximal-stents-for-endovascular-aneurysm-repair
#7
Dainis Krievins, Albrecht Krämer, Janis Savlovskis, Georgij Oszkinis, E Sebastian Debus, Alexander Oberhuber, Christopher K Zarins
PURPOSE: To report the initial clinical results of endovascular aneurysm repair (EVAR) using the low-profile (14-F) Altura Endograft System, which features a double "D-shaped" stent design with suprarenal fixation and modular iliac components that are deployed from distal to proximal. METHODS: From 2011 to 2015, 90 patients (mean age 72.8±8.3 years; 79 men) with abdominal aortic aneurysm (AAA; mean diameter 53.8±5.7 mm) were treated at 10 clinical sites in 2 prospective, controlled clinical studies using the Altura endograft...
April 1, 2018: Journal of Endovascular Therapy
https://www.readbyqxmd.com/read/29649954/anatomical-considerations-and-open-surgery-to-treat-juxtarenal-abdominal-aortic-aneurysms
#8
Georgiana Samoila, Ian Michael Williams
INTRODUCTION: Historically, the open approach to the abdominal aorta has been transperitoneal (TP). In comparison, a retroperitoneal (RP) incision exposes the lateral wall of the suprarenal aorta for clamp application and midline structures such as the duodenum and pancreas are not encountered. Proximal clamp position for open repair of juxtarenal abdominal aortic aneurysm (JR-AAA) is suprarenal, supra-superior mesenteric, or supraceliac. While RP and TP approaches have previously been compared for physiological reasons, there are currently no randomized controlled trials comparing these methods from an anatomical perspective...
January 1, 2018: Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/29602473/early-outcomes-with-a-single-sided-access-endovascular-stent
#9
Michael Hofmann, Felice Pecoraro, David Planer, Thomas Pfammatter, Gilbert Puippe, Dominique Bettex, Frank J Veith, Mario Lachat, Lyubov Chaykovska
OBJECTIVE: The objective of this study was to report the 1-year follow-up study results of the new Horizon stent graft (Endospan, Herzliya, Israel) from two different prospective consecutive trials. The Horizon abdominal aortic aneurysm stent graft system is a 14F profile system requiring only a single access site. It consists of three modules, introduced separately: base limb (iliac to iliac limb); distal aortic limb; and proximal aortic limb with a bare suprarenal crown and active fixation...
March 27, 2018: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/29576405/a-propensity-matched-comparison-of-fenestrated-endovascular-aneurysm-repair-and-open-surgical-repair-of-pararenal-and-paravisceral-aortic-aneurysms
#10
Giovanni Tinelli, Maria Antonietta Crea, Chiara de Waure, Gian Luca Di Tanna, Jean-Pierre Becquemin, Jonathan Sobocinski, Francesco Snider, Stéphan Haulon
OBJECTIVE: This study investigated the outcomes of a current series of patients treated with fenestrated and branched endovascular aneurysm repair (F-BEVAR) or open surgical repair (OSR) for pararenal abdominal aortic aneurysms (pr-AAAs), including juxtarenal, suprarenal, and type IV thoracoabdominal aneurysms. This study compares the outcomes of these procedures from two high-volume centers without the bias induced by a learning curve. METHODS: All patients with pr-AAAs undergoing repair at two centers between January 2010 and June 2016 were included in a prospective database...
March 22, 2018: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/29576336/the-impact-of-suprarenal-fixation-on-renal-function-following-endovascular-abdominal-aortic-aneurysm-repair-meta-analysis-based-on-estimated-glomerular-filtration-rate
#11
REVIEW
T Calderbank, M Bown, A Saratzis
BACKGROUND: Endovascular abdominal aortic aneurysm (AAA) repair (EVAR) is currently used routinely to treat AAA. Suprarenal fixation (SRF) of EVAR grafts can lead to renal dysfunction. A meta-analysis of studies using estimated glomerular filtration rate (eGFR) as a measure of renal injury to assess the effect of SRF on renal function was performed. METHODS: An electronic search was carried out to identify all articles that reported on renal injury following SRF versus infrarenal fixation (IRF) EVAR, and 24 studies were identified...
March 23, 2018: European Journal of Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/29571627/long-term-decline-in-renal-function-is-more-significant-after-endovascular-repair-of-infrarenal-abdominal-aortic-aneurysms
#12
Ziad Al Adas, Alexander D Shepard, Timothy J Nypaver, Mitchell R Weaver, Thomas Maatman, Lenar T Yessayan, Praveen Balraj, Loay S Kabbani
OBJECTIVE: It is not clear whether endovascular aneurysm repair (EVAR) of abdominal aortic aneurysms (AAAs) results in an increase in renal insufficiency during the long term compared with open repair (OR). We reviewed our experience with AAA repair to determine whether there was a significant difference in postoperative and long-term renal outcomes between OR and EVAR. METHODS: A retrospective cohort study was conducted of all patients who underwent AAA repair between January 1993 and July 2013 at a tertiary referral hospital...
March 20, 2018: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/29568519/late-open-conversion-after-endovascular-repair-of-abdominal-aneurysm-failure-better-and-easier-option-than-complex-endovascular-treatment
#13
Stefano Bonardelli, Franco Nodari, Maurizio De Lucia, Emanuele Botteri, Alice Benenati, Edoardo Cervi
Aim: Conversion to open repair becomes the last option in case of endovascular repair of abdominal aneurysm failure, when radiological interventional procedures are unfeasible. While early conversion to open repair generally derives from technical errors, aetiopathogenesis and results of late conversion to open repair often remain unclear. Methods: We report data from our Institute's experience on late conversion to open repair. Twenty-two late conversion to open repairs out of 435 consecutive patients treated during a 18 years period, plus two endovascular repair of abdominal aneurysms performed in other centres, are analysed...
January 2018: JRSM Cardiovascular Disease
https://www.readbyqxmd.com/read/29548813/outcomes-of-using-endovascular-aneurysm-repair-with-active-fixation-in-complex-aneurysm-morphology
#14
Rami O Tadros, Alex Sher, Martin Kang, Ageliki Vouyouka, Windsor Ting, Daniel Han, Michael Marin, Peter Faries
OBJECTIVE: The ideal treatment option for patients with complex aneurysm morphology remains highly debated. The aim of this study was to investigate the impact of endovascular aneurysm repair (EVAR) with active fixation on outcomes in patients with complex aneurysm morphology. METHODS: There were 340 consecutive patients who underwent EVAR using active fixation devices, 234 with active infrarenal fixation (AIF; Gore Excluder; W. L. Gore & Associates, Flagstaff, Ariz) and 106 with active suprarenal fixation (ASF; 85 Medtronic Endurant [Medtronic, Santa Rosa, Calif] and 21 Cook Zenith [Cook Medical, Bloomington, Ind])...
March 13, 2018: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/29536780/treatment-for-thoracoabdominal-aortic-aneurysm-by-fenestrated-endovascular-aortic-repair-with-physician-modified-stent-graft
#15
Xin Yang, Xiang-Chen Dai, Jie-Chang Zhu, Yu-Dong Luo, Hai-Lun Fan, Zhou Feng, Yi-Wei Zhang, Fan-Guo Hu
Despite being widely used for several years, the endovascular aortic repair (EVAR) of a thoracoabdominal aneurysm (TAAA) remains challenging, particularly the revascularization of the abdominal aortic visceral branches. A 66-year-old male was admitted to hospital with abdominal bloating and pain. Computed tomographic angiography (CTA) confirmed a Crawford type III TAAA from the distal descending aorta to the suprarenal abdominal aorta that involved the celiac axis, accompanied with an occlusion of the left subclavian artery...
May 2018: Journal of International Medical Research
https://www.readbyqxmd.com/read/29519940/cd40l-deficiency-protects-against-aneurysm-formation
#16
Pascal J H Kusters, Tom T P Seijkens, Linda Beckers, Dirk Lievens, Holger Winkels, Vivian de Waard, Adriaan Duijvestijn, Moritz Lindquist Liljeqvist, Joy Roy, Alan Daugherty, Andrew Newby, Norbert Gerdes, Esther Lutgens
OBJECTIVE: The mechanisms underlying formation of arterial aneurysms remain incompletely understood. Because inflammation is a common feature during the progressive degeneration of the aortic wall, we studied the role of the costimulatory molecule CD40L, a major driver of inflammation, in aneurysm formation. APPROACH AND RESULTS: Transcriptomics data obtained from human abdominal aortic aneurysms and normal aortas revealed increased abundance of both CD40L and CD40 in media of thrombus-free and thrombus-covered human abdominal aortic aneurysms samples...
May 2018: Arteriosclerosis, Thrombosis, and Vascular Biology
https://www.readbyqxmd.com/read/29518520/repair-of-delayed-type-1a-endoleak-using-fenestrated-and-parallel-endografts
#17
Neil P Reddy, Sung Wan Ham, Fred A Weaver, Vincent L Rowe, Kenneth R Ziegler, Sukgu M Han
Endovascular aneurysm repair has become the first-line treatment modality for infrarenal aortic aneurysms. However, obtaining successful long-term results frequently requires reinterventions. Particularly, delayed type 1a endoleaks pose a challenging problem, as they are often associated with proximal extension of the aneurysmal process to juxtarenal or pararenal aortic segments. We describe 2 remedial techniques to repair delayed type 1a endoleak by extending the seal zone to the suprarenal aorta, while incorporating the renal arteries...
May 2018: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/29506944/meta-analysis-of-renal-function-following-infrarenal-evar-using-suprarenal-or-infrarenal-fixation-devices
#18
REVIEW
Philip W Stather, James Ferguson, Ayoola Awopetu, Jonathan R Boyle
OBJECTIVE/BACKGROUND: The effect of suprarenal (SR) as opposed to infrarenal (IR) fixation on renal outcomes post-endovascular aneurysm repair (EVAR) remains controversial. This meta-analysis aims to update current understanding of this issue. METHODS: A prior meta-analysis was updated through a Preferred Reporting Items for Systematic reviews and Meta-Analyses search for additional studies published in the last 3 years reporting on renal dysfunction or related outcomes post-EVAR...
March 3, 2018: European Journal of Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/29502996/fenestrated-branched-endografts-and-visceral-debranching-plus-stenting-hybrid-for-complex-aortic-aneurysm-repair
#19
Nikolas Tsilimparis, Sebastian E Debus, Max Biehl, Konstantinos Spanos, Axel Larena-Avellaneda, Sabine Wipper, Fiona Rohlffs, Tilo Kölbel
OBJECTIVE: The aim of this study was to assess the immediate postoperative and midterm outcome of complex aortic aneurysm treatment necessitating four-vessel revascularization with either a total endovascular approach (fenestrated-branched stent graft [FBSG]) or a hybrid technique of visceral debranching plus stenting. METHODS: The clinical data of consecutively treated patients presenting with a complex aortic aneurysm that necessitated four-vessel revascularization between 2010 and 2015 were retrospectively analyzed...
March 1, 2018: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/29484940/early-outcomes-of-patients-transferred-with-ruptured-suprarenal-aneurysm-or-dissection
#20
N Rudarakanchana, M Hamady, S Harris, E Afify, Rgj Gibbs, C D Bicknell, M P Jenkins
Objective Despite centralisation of the provision of vascular care, not all areas in England and Wales are able to offer emergency treatment for patients with acute conditions affecting the aorta proximal to the renal arteries. While cardiothoracic centres have made network arrangements to coordinate care for the repair of type A dissections, a similar plan for vascular care is lacking. This study investigates early outcomes in patients with ruptured suprarenal aortic aneurysm or dissection (rSRAD) transferred to a specialist centre...
April 2018: Annals of the Royal College of Surgeons of England
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