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Aortic aneurysms

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https://www.readbyqxmd.com/read/28528715/embolization-for-persistent-type-ia-endoleaks-after-chimney-endovascular-aneurysm-repair-with-onyx-%C3%A2
#1
C Marcelin, Y Le Bras, F Petitpierre, D Midy, N Grenier, E Ducasse, F Cornélis
PURPOSE: The purpose of this study was to determine retrospectively the safety and technical success rate of embolization using ethylene vinyl alcohol copolymer (Onyx(®)) for persistent type 1A endoleaks after chimney endovascular aneurysm repair (EVAR) for complex aortic aneurysms. MATERIAL AND METHODS: Nine consecutive patients (6 men, 3 women) with a mean age of 78.6 years (range: 62-87 years) presenting with persistent type IA endoleaks after chimney EVAR and an increase of aneurysm size were treated using transarterial embolization with Onyx(®)...
May 18, 2017: Diagnostic and Interventional Imaging
https://www.readbyqxmd.com/read/28528280/aortic-involvement-in-relapsing-polychondritis
#2
Maëlle Le Besnerais, Laurent Arnaud, Jonathan Boutémy, Boris Bienvenu, Hervé Lévesque, Zahir Amoura, Isabelle Marie
OBJECTIVE: To assess prevalence of aortic involvement in relapsing polychondritis (RP) patients; to evaluate clinical features and long-term outcome of RP patients exhibiting aortitis, aortic ectasia and/or aneurysm. METHODS: 172 RP patients underwent aortic computed tomography (CT)-scan; they were seen in 3 medical centers. RESULTS: 11 patients (6.4%) had aortic involvement, occurring within a median time of 2 years after RP diagnosis. CT-scan showed isolated aortitis (n=2); the 9 other patients exhibited: aortitis and aortic aneurysm (n=2) or ectasia (n=1), isolated aortic aneurysm (n=4) or ectasia (n=2); aortic localizations were as follows: thoracic (n=6), abdominal (n=2), thoracic and abdominal (n=4) aorta...
May 17, 2017: Joint, Bone, Spine: Revue du Rhumatisme
https://www.readbyqxmd.com/read/28528073/simple-identification-of-the-adamkiewicz-artery-in-extended-thoracoabdominal-aortic-aneurysm-repair
#3
Kyokun Uehara, Hitoshi Matsuda, Yosuke Inoue, Atsushi Omura, Yoshimasa Seike, Hiroaki Sasaki, Kenji Minatoya, Junjiro Kobayashi
Spinal cord injury remains a major adverse event of extended thoracic and thoracoabdominal aortic surgical procedures. Preoperative identification of the Adamkiewicz artery and prompt reattachment of the targeted intercostal arteries during operation should contribute to preventing spinal cord injury. In this report, we describe a simple and definite identification of the critical intercostal artery during extended descending and thoracoabdominal aortic surgical procedures.
June 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28528055/pseudoachalasia-secondary-to-thoracic-aortic-aneurysm
#4
Jorind Beqari, Anthony Lembo, Jon Critchlow, Allen Hamden, Michael S Kent
Pseudoachalasia is known to be associated with malignancy involving the gastroesophageal junction and after esophageal operations. We present a case of pseudoachalasia secondary to an aneurysm of the descending thoracic aorta and describe successful operative management.
June 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28528045/endovascular-fenestration-for-distal-aortic-sealing-after-frozen-elephant-trunk-with-thoraflex
#5
Randolph H L Wong, Peter S Y Yu, Micky W T Kwok, Simon C Y Chow, Jacky Y K Ho, Malcolm J Underwood, Simon C H Yu
We describe a case of total arch replacement with frozen elephant trunk for chronic type B aortic dissecting aneurysm, which resulted in inadvertent landing of the frozen elephant trunk into the false lumen. A radiofrequency puncture system-assisted controlled endovascular fenestration of the dissection flap was performed at the upper abdominal aorta and subsequent thoracic endovascular stenting, successfully redirecting the blood flow from the false to the true lumen. Our case illustrated a possible way to seal distal reentry in chronic type B aortic dissection...
June 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28527933/silent-balanced-double-aortic-arch-with-descending-thoracic-aneurysm-in-an-elderly-patient
#6
Yasunori Iida, Tsutomu Ito, Takahiko Misumi, Hideyuki Shimizu
No abstract text is available yet for this article.
June 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28527926/initial-and-midterm-results-of-the-bolton-relay-thoracic-aortic-endovascular-pivotal-trial
#7
Mark A Farber, W Anthony Lee, Wilson Y Szeto, Jean M Panneton, Christopher J Kwolek
OBJECTIVE: To report the initial and midterm results of the Bolton Relay Thoracic Stent Graft for the endovascular treatment of thoracic aortic lesions [thoracic endovascular aortic repair (TEVAR)]. METHODS: The Bolton Relay Thoracic Aortic Endovascular Pivotal Trial was a prospective, nonrandomized, multicenter, U.S. Investigational Device Exemption study conducted at 27 U.S. investigational sites. One hundred twenty TEVAR subjects were treated with the Relay device between January 2007 and May 2010, with 13 patients enrolled during the continued access phase through September 2012...
June 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28527818/predictors-associated-with-increased-prevalence-of-abdominal-aortic-aneurysm-in-chinese-patients-with-atherosclerotic-risk-factors
#8
W Li, S Luo, J Luo, Y Liu, B Ning, W Huang, L Xue, J Chen
OBJECTIVE/BACKGROUND: Epidemiological screening studies have demonstrated that the prevalence of abdominal aortic aneurysm (AAA) of Asian origin appears to be low and so increases uncertainty about the cost effectiveness of screening for AAAs in Chinese people. Some studies have demonstrated a higher prevalence of AAA in patients with atherosclerotic risk factors. The purpose of the study was to determine the prevalence of AAA and to explore the high risk group of AAA in Chinese patients with atherosclerotic risk factors...
May 17, 2017: European Journal of Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/28527730/experiences-of-the-screening-process-and-the-diagnosis-abdominal-aortic-aneurysm-among-65-year-old-men-from-invitation-to-a-1-year-surveillance
#9
Monica Pettersson, Anders Hansson, John Brodersen, Christine Kumlien
The prevalence of abdominal aortic aneurysm (AAA) is reported to be 2.2%-8% among men >65 years. During recent years, screening programs have been developed to detect AAA, prevent ruptures, and thereby saving lives. Therefore, most men with the diagnosis are monitored conservatively with regular reviews. The objective of the study was to describe how men diagnosed with abdominal aortic aneurysm <55 mm discovered by screening experience the process and diagnosis from invitation to 1 year after screening...
June 2017: Journal of Vascular Nursing: Official Publication of the Society for Peripheral Vascular Nursing
https://www.readbyqxmd.com/read/28527678/patient-reported-quality-of-life-after-endovascular-repair-of-thoracoabdominal-aortic-aneurysms
#10
Andrew J Meltzer, Peter H Connolly, Sharif Ellozy, Darren B Schneider
OBJECTIVE: The purpose of this study was to assess patient-reported physical and emotional well-being during follow-up after endovascular repair of TAAA. METHODS: All patients were treated in the context of a physician-sponsored investigational device exemption clinical study for patients at high risk for open TAAA repair. The SF-36 instrument was administered preoperatively, and at 1, 6, and 12 months. Results were analyzed using paired t-tests, with sub-group comparisons to assess impact of adverse events and technical results on quality of life...
May 17, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28527353/mechanical-behavior-of-the-abdominal-aortic-aneurysm-assessed-by-biaxial-tests-in-the-rat-xenograft-model
#11
Louise Marais, Mustapha Zidi
This paper addresses the mechanical biaxial behavior of degraded arteries obtained by the rat xenograft model. For that, a pressure myograph was used to perform extension-inflation tests on abdominal aortic aneurysms (AAAs). Furthermore, residual stresses in the aneurismal wall were assessed by opening angle tests. Thus, the changes in mechanical behavior between native murine aortas, decellularized guinea pig aortas (the grafts) and degraded aortas (AAAs) were investigated. It was shown that decellularized and degraded aortas exhibited a different mechanical behavior than native murine aortas...
May 12, 2017: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/28527199/the-value-of-contrast-enhanced-ultrasound-ceus-using-a-high-end-ultrasound-system-in-the-characterization-of-endoleaks-after-endovascular-aortic-repair-evar
#12
J Rübenthaler, M Reiser, V Cantisani, D Rjosk-Dendorfer, D A Clevert
PURPOSE: To evaluate the value of contrast-enhanced ultrasound (CEUS) using a high-end ultrasound system in the characterization of endoleaks after endovascular aortic repair (EVAR). MATERIAL AND METHODS: In this mono-center study, 41 patients were retrospectively analyzed after being examined using a modern high-end ultrasound system (RS80A with Prestige, Samsung Medison Co., Ltd., Seoul, Korea). The maximum diameters of the aneurysms were measured in two planes (right-left and ventral-dorsal)...
May 18, 2017: Clinical Hemorheology and Microcirculation
https://www.readbyqxmd.com/read/28526396/the-impact-of-initial-misdiagnosis-of-ruptured-abdominal-aortic-aneurysms-on-lead-times-complication-rate-and-survival
#13
K Smidfelt, C Drott, K Törngren, J Nordanstig, J Herlitz, M Langenskiöld
OBJECTIVE/BACKGROUND: To investigate the frequency of initial misdiagnosis and the clinical consequences of an initial misdiagnosis of ruptured abdominal aortic aneurysms (rAAA). METHODS: This was a retrospective cohort study. Data from the Swedish National Registry for Vascular Surgery (Swedvasc) and medical charts were extracted for patients treated for rAAA in the West of Sweden in the period 2008-14. Initially misdiagnosed patients were compared with correctly diagnosed patients...
May 16, 2017: European Journal of Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/28526395/update-on-screening-for-abdominal-aortic-aneurysm
#14
EDITORIAL
J J Earnshaw, T Lees
No abstract text is available yet for this article.
May 16, 2017: European Journal of Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/28526092/transapical-aortic-perfusion-using-a-deep-hypothermic-procedure-to-prevent-dissecting-lung-injury-during-re-do-thoracoabdominal-aortic-aneurysm-surgery
#15
Yuya Kise, Yukio Kuniyoshi, Mizuki Ando, Hitoshi Inafuku, Takaaki Nagano, Satoshi Yamashiro
BACKGROUND: Avoiding various complications is a challenge during re-do thoracoabdominal aneurysm surgery. CASE PRESENTATION: A 56-year-old man had undergone surgery for type I aortic dissection four times. The residual thoracoabdominal aortic aneurysm that had severe adhesions to lung parenchyma was resected. Since the proximal anastomotic site was buried in lung parenchyma, deep hypothermia was essential to avoid lung dissection and to protect the spinal cord during the proximal anastomosis...
May 19, 2017: Journal of Cardiothoracic Surgery
https://www.readbyqxmd.com/read/28526040/catching-a-floating-thrombus-a-case-report-on-the-treatment-of-a-large-thrombus-in-the-ascending-aorta
#16
Gijs Eduard de Maat, Giorgio Vigano, Massimo Alessandro Mariani, Ehsan Natour
BACKGROUND: The ascending aorta is an uncommon site for non-infective thrombus. In non-aneurysmal and non-atherosclerotic vessels this condition becomes extremely rare, while it represents a source of potential cerebral and peripheral embolic events. Currently, there is no consensus in the guidelines on how to treat a free floating thrombus in ascending aorta, therefore we present our decision making process and therapeutic strategy. CASE PRESENTATION: A healthy 48-year-old man was hospital admitted with acute abdominal pain...
May 19, 2017: Journal of Cardiothoracic Surgery
https://www.readbyqxmd.com/read/28525804/recombinant-adeno-associated-virus-vector-carrying-the-thrombomodulin-lectin-like-domain-for-the-treatment-of-abdominal-aortic-aneurysm
#17
Chao-Han Lai, Kuan-Chieh Wang, Cheng-Hsiang Kuo, Fang-Tzu Lee, Tsung-Lin Cheng, Bi-Ing Chang, Yu-Jen Yang, Guey-Yueh Shi, Hua-Lin Wu
BACKGROUND AND AIMS: Thrombomodulin (TM), through its lectin-like domain (TMD1), sequesters proinflammatory high-mobility group box 1 (HMGB1) to prevent it from engaging the receptor for advanced glycation end product (RAGE) that sustains inflammation and tissue damage. Our previous study demonstrated that short-term treatment with recombinant TM containing all the extracellular domains (i.e., rTMD123) inhibits HMGB1-RAGE signaling and confers protection against CaCl2-induced AAA formation...
March 18, 2017: Atherosclerosis
https://www.readbyqxmd.com/read/28523354/investigation-of-reference-levels-and-radiation-dose-associated-with-abdominal-evar-endovascular-aneurysm-repair-procedures-across-several-european-centres
#18
E Tuthill, L O'Hora, M O'Donohoe, S Panci, P Gilligan, D Campion, R Trenti, E Fox, D Catania, L Rainford
OBJECTIVES: Endovascular aneurysm repair (EVAR) is considered the treatment of choice for abdominal aortic aneurysms with suitable anatomy. In order to improve radiation safety, European Directive (2013/59) requires member states to implement diagnostic reference levels (DRLs) in radio-diagnostic and interventional procedures. This study aimed to determine local DRLs for EVAR across five European centres and identify an interim European DRL, which currently remains unestablished. METHODS: Retrospective data was collected for 180 standard EVARs performed between January 2014 and July 2015 from five specialist centres in Ireland (n=2) and Italy (n=3)...
May 18, 2017: European Radiology
https://www.readbyqxmd.com/read/28523270/aortic-graft-infection-graphene-shows-the-way-to-an-infection-resistant-vascular-graft
#19
Nikolaos Patelis, Dimitrios Schizas, Theodoros Liakakos, Chris Klonaris
Aortic graft infection is a potentially lethal complication of open and endovascular repair of aortic aneurysms. Graphene is the only existing two-dimensional material, and its unique structure gives graphene and its derivatives a plethora of original characteristics. Among other characteristics, graphene demonstrates bacteriostatic and bactericidal effects that could potentially resolve the problem of graft infection in the future. Data already exist in literature supporting this antibacterial effect of graphene oxide and reduced graphene oxide...
2017: Frontiers in Surgery
https://www.readbyqxmd.com/read/28523269/proximal-aortic-neck-progression-before-and-after-abdominal-aortic-aneurysm-treatment
#20
REVIEW
Konstantinos A Filis, George Galyfos, Fragiska Sigala, Konstantinos Tsioufis, Ioannis Tsagos, Georgios Karantzikos, Christos Bakoyiannis, George Zografos
Several risk factors including short or highly angulated proximal aortic neck have been associated with long-term outcomes after endovascular or open abdominal aortic aneurysm (AAA) repair. However, research data have emerged recently concerning the behavior of proximal aortic neck, and several authors have tried to evaluate this behavior after endovascular or open repair. Additionally, computed tomography angiography (CTA) remains the golden standard for detecting and observing the morphology of an AAA, both before and after treatment...
2017: Frontiers in Surgery
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