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Aortic occlusion

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https://www.readbyqxmd.com/read/29778608/technical-success-and-long-term-results-with-excluder-c3-endoprosthesis-in-narrow-aortic-biforcations-first-italian-multicentre-experience
#1
Gian Franco Veraldi, Luca Mezzetto, Filippo Vaccher, Lorenzo Scorsone, Stefano Bonvini, Igor Raunig, Valentina Wassermann, Sebastiano Tasselli
PURPOSE: This study aims at evaluating technical success and long-term results using Gore Excluder/C3 endoprosthesis in patients with narrow aortic bifurcation (NAB, inner-inner aortic diameter <18mm). METHODS: Clinical and anatomical data were collected retrospectively from patients treated in two high-volume Italian vascular centres between 2005 and 2017. A total of 1325 EVAR procedures were performed: 195 involved Excluder/C3 Gore endoprosthesis. 141 patients had a regular aortic bifurcation (RAB, maximum inner-inner diameter ≥ 18mm), while 54 presented NAB (< 18mm)...
May 17, 2018: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/29777839/-mesenteric-steal-physiology-as-a-cause-of-claudication-and-chronic-mesenteric-ischemia
#2
Aleem K Mirza, J Michael Bacharach
Aortoiliac occlusive disease (AOID) results in varying degrees of pelvic and lower extremity arterial insufficiency. Treatment approach has evolved and endovascular therapies are being successfully reported for high-grade lesion. However, Trans Atlantic Inter-Society Consensus (TASC) D often necessitates open revascularization. Disease limited to the infrarenal segment does not typically affect intestinal perfusion in the absence of visceral aortic or mesenteric vessel involvement. Chronic mesenteric ischemia most commonly occurs due to atherosclerotic disease of two or three of the mesenteric vessels...
May 16, 2018: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/29775430/gene-expression-profile-analysis-of-aortic-vascular-smooth-muscle-cells-reveals-upregulation-of-cadherin-genes-in-myocardial-infarction-patients
#3
Anselm A Derda, Chin Cheng Woo, Thidathip Wongsurawat, Mark Richards, Chuen Neng Lee, Theo Kofidis, Vladimir A Kuznetsov, Vitaly A Sorokin
Myocardial infarction (MI) induced by acute coronary arterial occlusion is usually secondary to atherosclerotic plaque rupture. Dysregulated response of vascular smooth muscle cells (VSMCs) in atherosclerotic plaques may promote plaque rupture. Cadherins (CDHs) form adherens junctions and are known stabilizers of atherosclerotic plaques. To date, the expression patterns of cadherin have not been well investigated in MI aortic VSMCs. We aimed to investigate the expression of cadherin genes in the aortic wall of patients with and without MI...
May 18, 2018: Physiological Genomics
https://www.readbyqxmd.com/read/29773437/acute-aortic-occlusion-in-a-patient-without-risk-factors
#4
Trina Stoneham, Erin L Simon
No abstract text is available yet for this article.
March 28, 2018: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/29772329/impact-of-stent-graft-oversizing-on-gutter-areas-after-chimney-graft-repair-for-complex-abdominal-aortic-aneurysms
#5
Romain de Blic, Frédéric Cochennec, Faris Alomran, Hicham Kobeiter, Eric Allaire, Pascal Desgranges, Jean-Pierre Becquemin
PURPOSE: The aim of this retrospective study was to examine the impact of graft oversizing on gutter area and stent compression in chimney graft (CG) for complex abdominal aortic aneurysms (CAAA) repair. The influence of stent graft oversizing on type Ia endoleaks and bridging stent occlusion rates were also examined. METHODS: Preoperative and postoperative computed tomographic angiography (CTA) scans of patients requiring chimney grafts for CAAA between June 2009 and April 2013 in our institution were analysed...
May 14, 2018: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/29770201/recent-advances-in-managing-septal-defects-ventricular-septal-defects-and-atrioventricular-septal-defects
#6
REVIEW
P Syamasundar Rao, Andrea D Harris
This review discusses the management of ventricular septal defects (VSDs) and atrioventricular septal defects (AVSDs). There are several types of VSDs: perimembranous, supracristal, atrioventricular septal, and muscular. The indications for closure are moderate to large VSDs with enlarged left atrium and left ventricle or elevated pulmonary artery pressure (or both) and a pulmonary-to-systemic flow ratio greater than 2:1. Surgical closure is recommended for large perimembranous VSDs, supracristal VSDs, and VSDs with aortic valve prolapse...
2018: F1000Research
https://www.readbyqxmd.com/read/29769055/one-visceral-artery-may-be-enough-successful-pancreatectomy-in-a-patient-with-total-occlusion-of-the-celiac-and-superior-mesenteric-arteries
#7
Evangelos Tagkalos, Florian Jungmann, Hauke Lang, Stefan Heinrich
BACKGROUND: The anatomic variations of the visceral arteries are not uncommon. The liver arterial blood supply shows 50% variability between humans, with the most common anatomy being one hepatic artery arising from the celiac trunk and one pancreatico-duodenal arcade between the celiac trunk and the superior mesenteric artery. Occlusion of one artery are mostly asymptomatic but may become clinically relevant when surgery of the liver, bile duct or the pancreas is required. If these pathologies are not reversible, an oncologic pancreatic head resection cannot be performed...
May 16, 2018: BMC Surgery
https://www.readbyqxmd.com/read/29766130/resuscitative-endovascular-balloon-occlusion-of-the-aorta-rupture-risk-and-implications-for-blind-inflation
#8
Philip J Wasicek, William A Teeter, Megan L Brenner, Melanie R Hoehn, Thomas M Scalea, Jonathan J Morrison
Background: Resuscitative endovascular balloon occlusion of the aorta (REBOA) is a torso hemorrhage control technique. To expedite deployment, inflation is frequently performed as a blind technique with minimal imaging, which carries a theoretical risk of aortic injury. The objective of this study was to examine the relationship between balloon inflation, deformation and the risk of aortic rupture. Methods: Compliant balloon catheters were incrementally inflated in segments of cadaveric swine aorta...
2018: Trauma surgery & acute care open
https://www.readbyqxmd.com/read/29759039/common-femoral-artery-endarterectomy-in-the-age-of-endovascular-therapy
#9
Mohamed Elsherif, Wael Tawfick, Mohamed Elsharkawi, Ruth Campell, Niamh Hynes, Sherif Sultan
Objectives Common femoral artery endarterectomy (CFE) is the standard treatment for common femoral artery occlusive disease. We aim to assess the medium term outcomes of CFE with or without further concomitant procedures. Design A retrospective observational study. Methods All patients who underwent either isolated CFE (ICFE), CFE with angioplasty for occlusive arterial disease (CFEA) or concomitant CFE with endovascular aortic aneurysm repair (CFEE) were included. Patient demographics follow up, clinical improvement, types of CFE closure, patency rates, and survival-free amputation were noted...
January 1, 2018: Vascular
https://www.readbyqxmd.com/read/29758327/oxidative-stress-in-aortas-of-patients-with-advanced-occlusive-and-aneurysmal-diseases
#10
Márcio L Lucas, Cristina C Carraro, Adriane Belló-Klein, Antônio N Kalil, Newton R Aerts, Fabiano B Carvalho, Marilda C Fernandes, Claudio G Zettler
BACKGROUND: Aortoiliac occlusive disease (AOD) and abdominal aortic aneurysm (AAA) are very important cardiovascular diseases that present different aspects of pathophysiology; however, oxidative stress and inflammatory response seem be relevant in both of them. Our objective was to evaluate oxidative damage and degree of inflammatory infiltrate in aortas of patients surgically treated of AOD and AAA. MATERIAL AND METHODS: Levels of reactive oxygen species (ROS), NADPH oxidase activity and myeloperoxidase (MPO) expression as so as nitrite levels and superoxide dismutase (SOD) and catalase (CAT) activities were evaluated in aortas of patients with AOD (n=16) or AAA (n=14), while control group was formed by cadaveric organ donors (n=10)...
May 11, 2018: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/29717825/treatment-of-nonarteritic-acute-central-retinal-artery-occlusion
#11
Rahul A Sharma, Michael Dattilo, Nancy J Newman, Valerie Biousse
Central retinal artery occlusion (CRAO) is an event most often caused by an embolus originating in the ipsilateral carotid artery, aortic arch, or heart. CRAO may result from partial or complete occlusion of the central retinal artery (CRA), which acts as the primary blood supply to the inner neurosensory retina, and typically results in profound vision loss and permanent visual disability. No consensus has emerged regarding the optimal treatment of CRAO. All proposed treatments are of questionable efficacy and many have uncertain risk profiles...
May 2, 2018: Asia-Pacific Journal of Ophthalmology
https://www.readbyqxmd.com/read/29709584/resuscitative-endovascular-balloon-occlusion-of-the-aorta-implementation-and-preliminary-results-at-an-academic-level-i-trauma-center
#12
Marcus D Darrabie, Chasen A Croft, Scott C Brakenridge, Alicia M Mohr, Martin A Rosenthal, Frederick A Moore, R Stephen Smith
BACKGROUND: REBOA is a novel method of controlling subdiaphragmatic hemorrhage while improving hemodynamic stability. This procedure achieves many of the goals of resuscitative thoracotomy (RT), but is less invasive. Herein, we present the initial experience with REBOA at a level 1 academic trauma center. STUDY DESIGN: A retrospective review was performed. Orientation of surgeons and residents to REBOA was accomplished by an educational program including a hands-on simulation session (1...
April 11, 2018: Journal of the American College of Surgeons
https://www.readbyqxmd.com/read/29709406/massive-organ-embolization-from-primary-aortic-thrombosis
#13
Catarina Patrício, Mariana Marques Silva, Pedro Eduardo Silva, João Oliveira, Luís Bagulho
A 49-year-old woman was hospitalized for acute left foot arterial ischemia. Arterial Doppler revealed occlusion of the dorsalis pedis and posterior tibial arteries. A computed tomography angiography performed to assess abdominal pain showed hepatic, splenic, renal and pancreatic infarctions. A splenic artery embolism and a small aortic wall thrombus at the celiac trunk were identified. No radiological signs of aortic atherosclerosis were found. No predisposing conditions for secondary aortic thrombosis or intracardiac embolic sources were detected...
April 27, 2018: Portuguese Journal of Cardiology: An Official Journal of the Portuguese Society of Cardiology
https://www.readbyqxmd.com/read/29701421/rapid-pacing-for-thoracic-endovascular-aortic-repair-a-case-report
#14
Hugo Silva, Andreia Fernandes, João Rodrigues, Daniel Brandão, Manuela Vieira, Catarina Celestino
INTRODUCTION: Endovascular aortic interventions are suitable alternatives to open surgery, being less invasive and having lower mortality and complications. Accurate positioning of the stent graft is a critical point because of systolic thrush. Techniques used to prevent it include pharmacological (antihypertensive drugs, nitroglycerin, adenosine) and mechanical methods (temporary caval occlusion by balloon). Rapid Right Ventricular Pacing (RRVP) is an emerging alternative with good patient tolerance and low level of complications...
July 2017: Revista Portuguesa de Cirurgia Cardio-torácica e Vascular
https://www.readbyqxmd.com/read/29701396/takayasus-s-aortitis-induced-ascending-aorta-dissection
#15
Bruno Fernandes, Joana Saraiva, Lina Carvalho
INTRODUCTION: Takayasu aortitis is a well known yet rare form of large vessel vasculitis. Also known as pulseless disease, occlusive thromboaortopathy, and Martorell syndrome, is a chronic inflammatory aortitis. Vessel inflammation leads to wall thickening, fibrosis, stenosis, and thrombus formation. METHODS: A 64-year-old woman was referred to emergency for lack of pulse in the upper and lower limbs and changes in heart rate. AngioRMN revealed dissection of the ascending aorta while in PET, intense uptake of FDG-F18 involving ascending, crossa, descending thoracic and abdominal segments of the aorta, was evident urgent surgical correction occurred...
July 2017: Revista Portuguesa de Cirurgia Cardio-torácica e Vascular
https://www.readbyqxmd.com/read/29701382/institutional-protocol-for-prevention-of-tevar-related-spinal-cord-ischemia-the-first-9-cases
#16
Marina Dias-Neto, Pedro Reis, Leonor Mendes, Margarida Rodrigues, Cristina Amaral, Graça Afonso, José Fernando Teixeira
INTRODUCTION: Spinal cord ischemia (SCI) is a feared complication after endovascular correction of thoracic aortic diseases (TEVAR). The guidelines of the European Society for Vascular Surgery recommend prophylactic lumbar drainage (LD) of cerebrospinal fluid in high-risk patients undergoing TEVAR. Our institutional protocol considers as high-risk patients as: coverage of the origin of the Adamkiewicz artery (T9-T12), aortic coverage >15 cm, involvement of collaterals (treated or untreated abdominal aortic aneurysm, left subclavian artery revascularization or bilateral occlusion of the internal iliac arteries) and symptomatic SCI...
July 2017: Revista Portuguesa de Cirurgia Cardio-torácica e Vascular
https://www.readbyqxmd.com/read/29701379/which-aneurysm-characteristics-predict-evar-nonsuccess
#17
Pedro Pinto Sousa, Pedro Brandão, Alexandra Canedo
INTRODUCTION: Hostile anatomic characteristics in patients undergoing endovascular abdominal aortic aneurysm repair (EVAR) may lead to technical nonsuccess of the procedure, late complications, reintervention or death. The authors analyzed anatomical abdominal aortic aneurysm specific considerations so as technical endoprosthesis implantation and correlate them with endoleak development and postoperative survival. METHODS: Authors retrospectively reviewed all consecutive, elective, EVAR's that occurred between 2010 and 2016, with available data, at one institution for abdominal, infra renal, aortic aneurysms...
July 2017: Revista Portuguesa de Cirurgia Cardio-torácica e Vascular
https://www.readbyqxmd.com/read/29701358/carotid-stenosis-in-cardiac-surgery-patients
#18
Pedro Pinto Sousa, Gabriela Teixeira, João Gonçalves, Carlos Veiga, Pedro Sá Pinto, Pedro Brandão, Alexandra Canedo, Luis Vouga, Rui Almeida
INTRODUCTION: Ischemic stroke is a potential perioperative complication after an open heart surgery (OHS). Whether a carotid stenosis or occlusion is associated with an increased risk of perioperative stroke in patients or just a risk factor has been a concern of intense debate in the literature. METHODS: We retrospectively analyzed patients submitted to OHS between January and December2016 with known asymptomatic carotid disease. The data from 85 consecutive patients undergoing coronary artery bypass grafting, valve replacement, or both was collected...
July 2017: Revista Portuguesa de Cirurgia Cardio-torácica e Vascular
https://www.readbyqxmd.com/read/29701346/endovascular-solutions-for-thoracic-aortic-aneurysms-with-challenging-anatomies
#19
José Oliveira-Pinto, Joel Sousa, João Rocha-Neves, Emilio Silva, Vincent Riambau, José Teixeira
INTRODUCTION: The suitability of the proximal and distal landing zones remains one of the main limitations to thoracic endovascular aortic repair. The advent of custom-made scalloped stent grafts widened the endovascular options in some challenging anatomies. METHODS: The authors present three cases of thoracic aortic aneurysm (TAA), with three different hostile anatomies, successfully treated with custom-made scalloped stent grafts. RESULTS: Case1: Male patient, 47 years old, no relevant medical history...
July 2017: Revista Portuguesa de Cirurgia Cardio-torácica e Vascular
https://www.readbyqxmd.com/read/29701345/emergency-nightmares-rupture-of-type-iii-thoracoabdominal-aneurysm
#20
Marina Dias-Neto, José Fernando Ramos, João Rocha Neves, Pedro Almeida, Augusto Rocha E Silva, José Fernando Teixeira
Introduction The rupture of thoracoabdominal aneurysms (rTAA) represents one of the major challenges to the vascular surgeon. Recent developments in the endovascular armamentarium and the high mortality from open surgery make endovascular treatment an attractive option. Devices to be used in an emergency environment should be "off-the-shelf" and include, among others, EVAR snorkel/chimney and branched endoprosthesis (T-branch, Cook®). METHODS: We describe the case of a 70-year-old patient who was admitted to the emergency room due continuous low back pain with 3 days of evolution...
July 2017: Revista Portuguesa de Cirurgia Cardio-torácica e Vascular
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