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https://www.readbyqxmd.com/read/27911412/reproducible-arterial-denudation-injury-by-infrarenal-abdominal-aortic-clamping-in-a-murine-model
#1
Aditya S Shirali, Austin I McDonald, Julia J Mack, M Luisa Iruela-Arispe
Percutaneous vascular interventions uniformly result in arterial denudation injuries that subsequently lead to thrombosis and restenosis. These complications can be attributed to impairments in re-endothelialization within the wound margins. Yet, the cellular and molecular mechanisms of re-endothelialization remain to be defined. While several animal models to study re-endothelialization after arterial denudation are available, few are performed in the mouse because of surgical limitations. This undermines the opportunity to exploit transgenic mouse lines and investigate the contribution of specific genes to the process of re-endothelialization...
November 24, 2016: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/27908810/emergent-treatment-of-a-ruptured-thoraco-abdominal-aortic-aneurysm-by-off-label-rescue-implantation-of-the-ovation-%C3%A2-stent-graft-in-nonagenarians-patient
#2
Chiara Pranteda, Pasqualino Sirignano, Federica Fornelli, Wassim Mansour, Nunzio Montelione, Laura Capoccia, Francesco Speziale
We report a case of a compassionate treatment of a ruptured thoraco-abdominal aortic aneurysm in a 92-year-old patient. Patient was admitted to our emergency department for acute onset of pain irradiating to the back. Computed tomographic angiography showed the presence of a thoraco-abdominal aortic aneurysm with a contained rupture at infrarenal level. Given of the presence of a relative healthy visceral aorta, we decided to treat the patient by Ovation(®) (Endologix, Irvine, CA - USA) implantation in an off-label fashion...
November 28, 2016: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/27894897/the-long-term-durability-of-intra-operatively-placed-palmaz-stents-for-the-treatment-of-type-ia-endoleaks-after-evar-of-abdominal-aortic-aneurysm
#3
M Abdulrasak, T Resch, B Sonesson, J Holst, T Kristmundsson, N V Dias
OBJECTIVE/BACKGROUND: The objective was to analyze the long-term durability of intra-operatively placed Palmaz stents for type Ia endoleaks, and the evolution of aneurysm neck morphology. METHODS: This was a retrospective cohort study conducted at a tertiary referral centre. Patients treated between 1998 and 2012 were reviewed with regard to pre-, intra-, and post-operative data. Crude and relative survival estimates were calculated, with the latter referring only to patients with ≥ 3 months' follow-up...
November 25, 2016: European Journal of Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/27894713/abdominal-aortic-aneurysm-in-marfan-syndrome
#4
Tracy Hagerty, Patrick Geraghty, Alan C Braverman
OBJECTIVE: Marfan syndrome (MFS) leads to aortic root aneurysm, while descending thoracic aortic aneurysm (TAA) occurs less commonly. Abdominal aortic aneurysm (AAA) is rarely reported in MFS. Risk factors for AAA are poorly understood and there are no guidelines for AAA screening in MFS. We sought to characterize AAA among Marfan patients in our center. METHODS: The records of 12 adults with MFS and AAA disease were reviewed. Clinical features, imaging, operative reports, and outcomes were analyzed...
November 25, 2016: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/27890849/hybrid-treatment-of-a-suprarenal-aortic-aneurysm-with-an-infrarenal-aorto-bifemoral-surgical-graft-and-a-fenestrated-stent-graft
#5
Sebastian Nagel, Athanasios Katsargyris, Kyriakos Oikonomou, Eric L G Verhoeven
PURPOSE: To report a hybrid technique for the treatment of a suprarenal aortic aneurysm (SAA) in a patient with iliac occlusive disease. Initially an infrarenal aorto-bifemoral surgical graft was implanted, followed by deployment of a fenestrated bifurcated stent-graft at the suprarenal part of the aorta. CASE REPORT: A 69-year old man presented with a 51-mm saccular SAA and iliac occlusive disease with intermittent claudication. Both common iliac arteries had been previously treated with kissing stents...
November 24, 2016: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/27890835/acute-kidney-injury-after-open-repair-of-intact-abdominal-aortic-aneurysms
#6
REVIEW
Charles Dariane, Raphaël Coscas, Celia Boulitrop, Isabelle Javerliat, Eve Vilaine, Olivier Goeau-Brissonniere, Marc Coggia, Ziad A Massy
BACKGROUND: These last years, considerable attention has been given to renal issues following endovascular aortic repair (EVAR) but acute kidney injury (AKI) also remains one of the most frequent complications following open repair (OR). OBJECTIVES: Since AKI definition has evolved, our aim was to review the aetiology, incidence, classifications and consequences of AKI after OR for intact abdominal aortic aneurysm (AAA). METHODS: A review of the English language literature published between 2004 and 2016 was conducted according to the PRISMA criteria...
November 24, 2016: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/27890833/pulse-wave-analysis-after-treatment-of-abdominal-aortic-aneurysms-with-the-ovation-device
#7
Efstratios Georgakarakos, Christos Argyriou, George S Georgiadis, Miltos K Lazarides
BACKGROUND: Ovation Aortic Stent-Graft System is a new device for the endovascular treatment of Abdominal Aortic Aneurysms achieving fixation via a 35-mm long, rigid ancored suprarenal stent and sealing stent at the infrarenal level by a means of a polymer-filling pair of inflatable O-rings which cause narrowing of flow lumen and regional stenosis. Thus, concerns have been raised regarding hemodynamic consequences associated with this new desing . Our preliminary report showed no significant increase of aortic pulse wave velocity (aPWV) immediately after implantation of the Ovation in 3 patients...
November 24, 2016: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/27887854/significant-regional-variation-exists-in-morbidity-and-mortality-after-repair-of-abdominal-aortic-aneurysm
#8
Sara L Zettervall, Peter A Soden, Dominique B Buck, Jack L Cronenwett, Phillip P Goodney, Mohammad H Eslami, Jason T Lee, Marc L Schermerhorn
OBJECTIVE: Limited data exist comparing perioperative morbidity and mortality after open and endovascular abdominal aortic aneurysm (AAA) repair (EVAR) among regions of the United States. This study evaluated the regional variation in mortality and perioperative outcomes after repair of AAAs. METHODS: The Vascular Quality Initiative (VQI) was used to identify patients undergoing open AAA repair and EVAR between 2009 and 2014. Ruptured and intact aneurysms were evaluated separately, and the analysis of intact aneurysms was limited to infrarenal AAAs...
November 22, 2016: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/27876124/estimating-the-influence-of-aortic-stent-grafts-after-endovascular-aneurysm-repair-are-we-missing-something
#9
Efstratios Georgakarakos
The implantation of a stiff aortic endograft for endovascular abdominal aneurysm repair (EVAR) has been reported to increase aortic stiffness and pulse wave velocity (PWV), raising potential concern over deterioration of myocardial performance. Yet, additional stiffness indices such as the augmentation index (AIx), reflection magnitude (RM) and changes in augmentation pressure (AP) have not been studied adequately to facilitate and improve our knowledge regarding the ways that EVAR affects central hemodynamics...
December 2016: Medical Hypotheses
https://www.readbyqxmd.com/read/27872775/infrarenal-aorta-thrombosis-associated-with-h1n1-influenza-a-virus-infection
#10
Can Hüzmeli, Mustafa Saglam, Ali Arıkan, Barıs Doner, Gulay Akıncı, Ferhan Candan
Influenza viruses are members of the Orthomyxoviridae family, of which influenza A, B, and C viruses constitute three separate genera. Arterial thrombosis associated with H1N1 influenza A virus infection has rarely been reported. A Turkish man aged 28 years was admitted to our emergency department with dyspnea, bilateral lower extremity insensitivity, and cold. He reported symptoms of fever, myalgia, and cough, which he had had for fifteen days before being admitted to our hospital. The patient was tested for pandemic influenza A (H1N1) virus using polymerase chain reaction (PCR) tests, which were positive...
2016: Case Reports in Infectious Diseases
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
#11
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/27852656/contained-rupture-of-a-mycotic-infrarenal-aortic-aneurysm-infected-with-campylobacter-fetus
#12
Maria Dimitrief, Floryn Cherbanyk, Sébastien Déglise, Edgardo Pezzetta
Mycotic abdominal aortic aneurysms (MAAAs) are rare entities accounting for 0.65-2% of aortic aneurysms. Campylobacter fetus has a tropism for vascular tissue and is a rare cause of mycotic aneurysm. We present a 73-year-old male patient with contained rupture of a MAAA caused by C. fetus, successfully treated with endovascular aortic repair (EVAR) and antibiotics, which is not previously described for this aetiology. Although open surgery is the gold standard, EVAR is nowadays feasible and potentially represents a durable option, especially in frail patients...
November 15, 2016: BMJ Case Reports
https://www.readbyqxmd.com/read/27828804/onyx-embolization-as-single-rescue-treatment-for-ruptured-abdominal-aortic-aneurysm-after-evar
#13
Satoko Fujita, Tal Hörer, Artai Pirouzram, Asko Toivola, Göran Gruber, Thomas Larzon
A 76-year-old man who had undergone endovascular repair for an infrarenal aortic aneurysm, presented with a late type Ia endoleak 3 years after his operation. Deployment of an aortic cuff did not achieve a better seal at the proximal neck, and the aneurysm developed a rupture. We successfully treated the ruptured aneurysm using transcatheter Onyx embolization only. At 6-month and 1-year follow-ups with contrast-enhanced duplex scanning, no endoleak was seen and sac shrinkage was observed. Onyx is a relatively new liquid embolic agent that is slowly transformed into a solid state by contact with blood...
September 2016: Innovations: Technology and Techniques in Cardiothoracic and Vascular Surgery
https://www.readbyqxmd.com/read/27826769/the-use-of-autologous-peritoneum-for-complete-caval-replacement-following-resection-of-major-intra-abdominal-malignancies
#14
Laurent Coubeau, Juan-Manuel Rico Juri, Olga Ciccarelli, Nicolas Jabbour, Jan Lerut
OBJECTIVE: Assessment of a simple layer peritoneal tube used as an autogenous inferior vena cava replacement. BACKGROUND: Extensive en-bloc multivisceral resection including major vessels is effective in selected abdominal malignancies, but the need for vascular reconstruction represents a surgical challenge. We describe the use of autologous peritoneum for caval replacement. METHODS: Autogenous parietal peritoneum without fascial backing was harvested and tubularized to replace the inferior vena cava (IVC) in four patients with complex abdominal tumors...
November 8, 2016: World Journal of Surgery
https://www.readbyqxmd.com/read/27823590/endovascular-aneurysm-sealing-addresses-several-limitations-of-conventional-endovascular-aneurysm-repair
#15
REVIEW
Zachary W Kostun, Edward Y Woo
Endovascular aneurysm repair has enabled a broad population of patients with infrarenal abdominal aortic aneurysm to be treated by a less-invasive technique. However, endovascular aneurysm repair has therapeutic limitations, including the need for lifelong surveillance and a higher rate of secondary interventions than open repair. These outcomes can promote patient dissatisfaction and result in increased health care costs and associated morbidity and mortality. The primary reason for secondary interventions is continued abdominal aortic aneurysm sac enlargement due to endoleaks...
March 2016: Seminars in Vascular Surgery
https://www.readbyqxmd.com/read/27823586/infrarenal-endovascular-aneurysm-repair-new-developments-and-decision-making-in-2016
#16
REVIEW
Matthew R Smeds, Kristofer M Charlton-Ouw
New developments in infrarenal abdominal aortic aneurysm stent-graft devices have made more patients eligible for endovascular aneurysm repair (EVAR). Recent US Food and Drug Administration approval for fenestrated endograft repair and impending approval for iliac branch devices extend the proximal and distal landing zones. Better deployment systems allow for partial deployment of endografts to facilitate repositioning, and more flexible designs allow for treatment of angulated infrarenal aneurysm necks and tortuous iliac arteries...
March 2016: Seminars in Vascular Surgery
https://www.readbyqxmd.com/read/27818828/liver-transplantation-utilizing-mixed-biologic-and-synthetic-arterial-conduits
#17
Marcio F Chedid, Tomaz J M Grezzana-Filho, Aljamir D Chedid, Luiz Pedro P Hendges, Ian Leipnitz, Mario R Alvares-da-Silva, Ariane N Backes, Matheus J Reis, Cleber Dario P Kruel, Cleber R P Kruel
Arterial conduits are necessary in nearly 5% of all liver transplants and are usually constructed utilizing segments of donor iliac artery. However, available segments of donor iliac artery may not be lengthy enough or may not possess enough quality to enable its inclusion in the conduit. Although there are few reports of arterial conduits constructed solely utilizing prosthetic material, no previous reports of conduits composed of a segment of donor iliac artery and prosthetic material (mixed biologic and synthetic arterial conduits) were found in the medial literature to date...
2016: Case Reports in Surgery
https://www.readbyqxmd.com/read/27814289/feasability-of-contrast-enhanced-ultrasound-with-image-fusion-of-ceus-and-ms-ct-for%C3%A2-endovascular-grafting-in-infrarenal-abdominal-aortic-aneurysm-in-a%C3%A2-single-patient
#18
H Zimmermann, J Rübenthaler, P Paprottka, K J Paprottka, M Reiser, D A Clevert
Currently methods to reduce radiation and contrast media application in endovascular repair of aortic aneurysms (EVAR) are investigated. First positive results for real-time contrast medium-enhanced ultrasonography (CEUS) guided endovascular aortic repair have been reported. A combination with image fusion of CEUS and preoperative multi-slice computed tomography (MS-CT) might offer added safety regarding stent-graft positioning and sealing of the landing zones.EVAR was performed in a patient with an asymptomatic infrarenal aortic aneurysm and a penetrating aortic ulcer in the neck region...
November 4, 2016: Clinical Hemorheology and Microcirculation
https://www.readbyqxmd.com/read/27812311/abnormal-gel-flotation-caused-by-contrast-media-during-adrenal-vein-sampling
#19
Gabriel Lima-Oliveira, Giuseppe Lippi, Gian Luca Salvagno, Matteo Gelati, Antonella Bassi, Alberto Contro, Francesca Pizzolo, Gian Cesare Guidi
INTRODUCTION: During adrenal venous sampling (AVS) procedure, radiologists administer a contrast agent via the catheter to visualize the proper catheter position. MATERIALS AND METHODS: A patient with primary aldosteronism diagnostic-hypothesis was admitted for AVS. A venogram was performed to
confirm the catheter's position with 2mL of Iopamidol 300 mg/mL. Samples were collected with syringe connected to a hydrophilic coated catheter by low-pressure aspiration from each of the four collection sites: inferior vena cava in the suprarenal portion, inferior vena cava in the infrarenal portion, left adrenal vein, and right adrenal vein; then immediately transferred from syringe to tubes with gel separator...
October 15, 2016: Biochemia Medica: časopis Hrvatskoga Društva Medicinskih Biokemičara
https://www.readbyqxmd.com/read/27807802/acute-aortic-occlusion-in-a-patient-with-chronic-paralysis-due-to-spinal-cord-injury-a-case-report
#20
Satoshi Yamamoto, Yuriko Yokomizo, Takafumi Akai, Takehiro Chiyoda, Hiroshi Goto, Yukiyoshi Masaki
Patients with spinal cord injury experience changes in the cardiovascular system and a high morbidity associated with peripheral artery disease. We report a case of acute aortic occlusion in a patient with chronic paralysis due to spinal cord injury. A 65-year-old man with chronic paralysis due to spinal cord injury developed mottling of the right extremity. Because of the complete tetraplegia, the patient had no subjective symptoms. Computed tomography revealed occlusion of the infrarenal abdominal aorta. An emergency thromboembolectomy established adequate blood flow, and the postoperative course was uneventful...
December 2016: Surgical Case Reports
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