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Endoluminal

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https://www.readbyqxmd.com/read/27908823/subintimal-recanalization-of-an-occluded-common-iliac-stent-a-case-report
#1
Giuseppe Asciutto, Roberta M Brambilla, Ioannis Bountouris, Martin Malina, Nuno V Dias
The purpose of this report is to describe a minimally invasive alternative endovascular technique for the treatment of chronically occluded stents when it is not possible to cross them endoluminally. A 71-years-old patient with recurrent severe lower limb claudication due to occlusion of a stent placed in the common iliac artery 5 years earlier underwent subintimal recanalization of the stented segment and re-stenting after failed intraluminal approach. The postoperative CT scan showed that the re-stented segment was patent with a flattening of the previous stent...
November 28, 2016: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/27903931/comparison-of-perioperative-outcomes-in-endovascular-versus-open-repair-for-juxtarenal-and-pararenal-aortic-aneurysms-a-propensity-matched-analysis
#2
Nathan T Orr, Daniel L Davenport, David J Minion, Eleftherios S Xenos
OBJECTIVE: Endoluminal aortic aneurysm repair is suitable within certain anatomic specifications. This study aims to compare 30-day outcomes of endovascular versus open repairs for juxtarenal and pararenal aortic aneurysms (JAA/PAAs). METHODS: The ACS-NSQIP database was queried from 2012 to 2015 for JAA/PAA repairs. Procedures characterized as emergent were included in the study; however, failed prior repairs and ruptured aneurysms were excluded. The preoperative and perioperative patient characteristics, operative techniques, and outcome variables were compared between the open aortic repair and the endovascular aortic repair groups...
November 30, 2016: Vascular
https://www.readbyqxmd.com/read/27900325/giant-idiopathic-renal-arteriovenous-fistula-managed-by-coils-and-amplatzer-device-case-report-and-literature-review
#3
Prashant Nagpal, Girish Bathla, Sachin S Saboo, Ashish Khandelwal, Abhishek Goyal, Frank J Rybicki, Michael L Steigner
An idiopathic renal arteriovenous (AV) fistula is a rare malformation of the kidney that may present insidiously with heart failure or hematuria. The treatment may be challenging due to large fistula size that may limit endovascular management. The authors report a case of an 85-year-old Caucasian woman who presented with acute heart failure and was found to have a right renal AV fistula. Since she had no prior history of renal intervention or trauma, a diagnosis of idiopathic renal AV fistula was made. She was managed by endoluminal occlusion using multiple stainless steel coils and Amplatzer vascular plug II device...
November 16, 2016: World Journal of Clinical Cases
https://www.readbyqxmd.com/read/27891001/rigid-bronchoscopic-management-of-acute-respiratory-failure-in-a-30-year-old-woman
#4
Karan Madan, Ashesh Dhungana, Neha Kawatra Madan, Anant Mohan, Vijay Hadda, Rakesh Garg, Deepali Jain, Randeep Guleria
A 30-year-old woman presented with a history of progressive shortness of breath, cough, and hoarseness. Stridor was audible on examination. Chest X-ray showed normal lung fields and contrast-enhanced computed tomography thorax showed lower tracheal occlusion with endoluminal growth. Diagnostic flexible bronchoscopy demonstrated multiple whitish glistening nodules over both vocal cords and lower tracheal occlusion by whitish nodular growth. In view of critical central airway obstruction, rigid bronchoscopy and excision of the lower tracheal growth were performed...
November 2016: Lung India: Official Organ of Indian Chest Society
https://www.readbyqxmd.com/read/27875189/corresponding-supine-and-prone-colon-visualization-using-eigenfunction-analysis-and-fold-modeling
#5
Saad Nadeem, Joseph Marino, Xianfeng Gu, Arie Kaufman
We present a method for registration and visualization of corresponding supine and prone virtual colonoscopy scans based on eigenfunction analysis and fold modeling. In virtual colonoscopy, CT scans are acquired with the patient in two positions, and their registration is desirable so that physicians can corroborate findings between scans. Our algorithm performs this registration efficiently through the use of Fiedler vector representation (the second eigenfunction of the Laplace-Beltrami operator). This representation is employed to first perform global registration of the two colon positions...
January 2017: IEEE Transactions on Visualization and Computer Graphics
https://www.readbyqxmd.com/read/27865144/successful-endovascular-management-of-endoleak-like-phenomenon-following-open-abdominal-aortic-aneurysm-repair
#6
Haider Khan Bangash, Mitra Rahmatzeh, Bibombe P Mwipatayi
INTRODUCTION: Endoleaks are a well-known complication after endovascular aortic repair. Type I endoleak-like phenomenon (also defined as a proximal pseudoaneurysm) post-open abdominal aortic aneurysm (AAA) repair is described as an anastomotic leak causing recurrent pressurization of the original aneurysm sac. It is rare but may result in aneurysmal sac rupture into the peritoneal cavity. REPORT: A 78-year-old man presented with a progressively enlarged aneurysmal sac due to proximal anastomotic degeneration of the proximal suture line associated with an outflow through a patent large lumbar vessel following a previous emergency open AAA repair...
November 3, 2016: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/27863970/treatment-of-distal-anterior-cerebral-artery-aneurysms-with-the-pipeline-embolization-device
#7
Erez Nossek, Daniel W Zumofen, Avi Setton, Matthew B Potts, Eytan Raz, Maksim Shapiro, Howard A Riina, Maria Angeles De Miquel, David J Chalif, Peter K Nelson
Aneurysms of the anterior cerebral artery (ACA) located distal to the anterior communicating artery complex (ACOM) remain challenging to treat with surgical clip reconstruction as well as with endovascular coil-embolization strategies. We have treated five complex geometry distal ACA aneurysms with endoluminal reconstruction using the Pipeline Embolization Device (PED). Two aneurysms were of the dysplastic fusiform type. Three aneurysms were of complex saccular configuration. Three aneurysms were treated electively at the outset with PED...
November 15, 2016: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/27863029/endoluminal-vacuum-therapy-for-ivor-lewis-anastomotic-leaks-a-pilot-study-in-a-swine-model
#8
R B Scott, L A Ritter, A L Shada, S H Feldman, D E Kleiner
Anastomotic leaks are a serious complication associated with Ivor Lewis esophagectomies. Endoluminal negative pressure vacuum devices create a possible treatment alternative to conventional surgical intervention. Ten pigs had an intrathoracic esophageal anastomosis with a 1-cm defect. The experimental group had the device placed intraoperatively across the defect, whereas the control group did not. Once treatment was completed, a contrast fluoroscopic study and necropsy was performed. All control pigs had contrast extravasation on fluoroscopy and contamination on necropsy...
November 11, 2016: Clinical and Translational Science
https://www.readbyqxmd.com/read/27858916/evaluating-rectal-tumor-staging-with-magnetic-resonance-imaging-computed-tomography-and-endoluminal-ultrasound-a-meta-analysis
#9
Xiao-Ting Li, Xiao-Yan Zhang, Ying-Shi Sun, Lei Tang, Kun Cao
BACKGROUND: Magnetic resonance imaging (MRI), endoluminal ultrasound (EUS), and computed tomography (CT) are commonly used imaging tools to evaluate rectal tumor staging, but there was no recent meta-analysis to define the present role of the 3 tools. Here, we proposed to systematically compare the accuracy of the 3 imaging tools for rectal tumor staging. METHODS: We systematically searched diagnostic accuracy studies of MRI, CT, or EUS on rectal cancer staging, written in English or Chinese, published between January 1, 2003 and Dec 31, 2015 from database of PubMed, EMBASE, and Cochrane Library...
November 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27835656/the-association-of-peri-procedural-blood-transfusion-with-morbidity-and-mortality-in-patients-undergoing-percutaneous-lower-extremity-vascular-interventions-insights-from-bmc2-vic
#10
Peter K Henke, Yeo Jung Park, Sachinder Hans, Paul Bove, Robert Cuff, Andris Kazmers, Theodore Schreiber, Hitinder S Gurm, P Michael Grossman
OBJECTIVE: To determine the predictors of periprocedural blood transfusion and the association of transfusion on outcomes in high risk patients undergoing endoluminal percutaneous vascular interventions (PVI) for peripheral arterial disease. METHODS/RESULTS: Between 2010-2014 at 47 hospitals participating in a statewide quality registry, 4.2% (n = 985) of 23,273 patients received a periprocedural blood transfusion. Transfusion rates varied from 0 to 15% amongst the hospitals in the registry...
2016: PloS One
https://www.readbyqxmd.com/read/27819805/type-iiib-endoleak-associated-with-an-infected-thoracoabdominal-endograft
#11
Nathan T Orr, Michael A Winkler, Eleftherios S Xenos
We present a 63-year-old male patient who presented with vague abdominal pain after an endoluminal thoracoabdominal aneurysm repair. He was found to have an infected endograft and an associated type IIIb endoleak. We believe that the infection contributed to the fabric degradation along the endograft and resulted in an expanding endoleak. Graft explantation was not performed because of the patient's multiple comorbidities, and the endoleak was treated with an additional stent graft and suppressive antibiotics...
September 2016: Innovations: Technology and Techniques in Cardiothoracic and Vascular Surgery
https://www.readbyqxmd.com/read/27815410/type-ii-endoleak-after-endoluminal-repair-of-thoracic-aortic-aneurysm-associated-with-native-coarctation
#12
Pierre Maitrias, Adriane Mage, Denis Belhomme, Thierry Reix
Aneurysm formation and recurrent coarctation are common complications of coarctation repair, and various types of treatment have been described. Native aortic coarctation during adult life is rarer and can be responsible for severe complications. We report an original case of thoracic aortic aneurysm associated with native coarctation successfully treated by a hybrid approach, comprising retrograde implantation of a thoracic stent graft and carotid-axillary bypass graft. A large intercostal collateral was embolized with coils...
November 3, 2016: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/27811135/treatment-of-intra-and-extracranial-aneurysms-using-the-flow-redirection-endoluminal-device-multicenter-experience-and-follow-up-results
#13
F Drescher, W Weber, A Berlis, S Rohde, A Carolus, S Fischer
BACKGROUND AND PURPOSE: Flow diversion emerged as a crucial treatment option for intracranial aneurysms. We report a multicenter retrospective analysis of the safety and efficacy in the treatment of intracranial aneurysms with the Flow-Redirection Endoluminal Device (FRED) flow diverter, a dual-layer flow-modulation device. MATERIALS AND METHODS: All intracranial aneurysms treated with the FRED between March 2013 and February 2016 at 4 neurovascular centers were included...
November 3, 2016: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/27799376/thrombogenicity-of-flow-diverters-in-an-ex-vivo-shunt-model-effect-of-phosphorylcholine-surface-modification
#14
Matthew W Hagen, Gaurav Girdhar, John Wainwright, Monica T Hinds
BACKGROUND: Flow diverters offer a promising treatment for cerebral aneurysms. However, they have associated thromboembolic risks, mandating chronic dual antiplatelet therapy (DAPT). Shield Technology is a phosphorylcholine surface modification of the Pipeline Embolization Device (PED) flow diverter, which has shown significant reductions in material thrombogenicity in vitro. OBJECTIVE: To compare the thrombogenicity of PED, PED with Shield Technology (PED+Shield), and the Flow-Redirection Endoluminal Device (FRED)-with and without single antiplatelet therapy and DAPT-under physiological flow...
October 31, 2016: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/27798324/intentional-subintimal-carotid-stenting-of-internal-carotid-dissection-in-a-patient-with-acute-ischaemic-stroke
#15
Nicola Limbucci, Sergio Nappini, Andrea Rosi, Leonardo Renieri, Arturo Consoli, Salvatore Mangiafico
Carotid artery dissection is a common cause of juvenile stroke. Endovascular treatment of acute stroke due to carotid dissection can be challenging, and endoluminal crossing of the dissection is sometimes impossible. We describe a case of intentional subintimal recanalisation of a cervical carotid dissection followed by intracranial thrombectomy and stenting. We report the case of a young woman with severe acute ischaemic stroke due to carotid artery dissection and intracranial embolism. After failure of endoluminal crossing of the dissected segment, intentional subintimal crossing with re-entry distally to the dissection was achieved and a stent was deployed...
October 26, 2016: Interventional Neuroradiology
https://www.readbyqxmd.com/read/27796767/endoluminal-therapy-for-gastroesophageal-reflux-disease-in-between-the-pill-and-the-knife
#16
REVIEW
Tony S Brar, Peter V Draganov, Dennis Yang
Gastroesophageal reflux disease (GERD) is a chronic disease characterized by symptoms of heartburn and acid regurgitation. Uncontrolled GERD can significantly impact quality of life, can lead to complications, and increases the risk of esophageal cancer. Over the past few decades, there has been an increasing prevalence of GERD among adults in Western populations. The use of proton pump inhibitors (PPI) in conjunction with lifestyle modifications remains the mainstay therapy. However, the efficacy of this intervention is often hampered by adherence, costs, and the risks of long-term PPI use...
October 28, 2016: Digestive Diseases and Sciences
https://www.readbyqxmd.com/read/27785714/endoluminal-treatments-for-obesity-and-related-hypertension-updates-review-and-clinical-perspective
#17
REVIEW
Courtney Cripps, Mitchell Roslin
PURPOSE OF REVIEW: Obesity is a global epidemic that continues to grow and results in related conditions such as hypertension and diabetes despite established interventions, thus suggesting the importance of new technologies. RECENT FINDINGS: Endoscopic interventions are vast in scope and effectiveness. Intra-gastric balloons appear to dominate the field at this time, but a recent FDA-approved technique, the Aspire device, may soon cause a shift in the treatment paradigm...
November 2016: Current Hypertension Reports
https://www.readbyqxmd.com/read/27770288/buried-barrett-metaplasia-after-endoluminal-ablation-a-ticking-time-bomb-or-much-ado-about-nothing
#18
Yoshihiro Komatsu, Rodney Landreneau, Blair A Jobe
No abstract text is available yet for this article.
October 21, 2016: Journal of Gastrointestinal Surgery: Official Journal of the Society for Surgery of the Alimentary Tract
https://www.readbyqxmd.com/read/27766409/laser-tracheobronchoplasty-a-novel-technique-for-the-treatment-of-symptomatic-tracheobronchomalacia
#19
Paul Castellanos, Manjunath Mk, Ihab Atallah
The management of tracheobronchomalacia is a very challenging problem with few treatment options. This study aims to evaluate the outcomes of a novel surgical treatment for membranous tracheobronchomalacia. A consecutive series of patients with tracheobronchomalacia were treated with two to three holmium laser scarring surgeries of the hyperdynamic tracheal and bronchial walls for the purpose of stiffening them through fibrosis. Patients filled out a Dyspnea Index questionnaire before and after treatment. Ten patients were treated for their tracheobronchomalacia with a mean age of 54 years...
October 20, 2016: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/27760170/three-dimensional-visualization-and-imaging-of-the-entry-tear-and-intimal-flap-of-aortic-dissection-using-ct-virtual-intravascular-endoscopy
#20
Yafei Qi, Xiaoyuan Ma, Gang Li, Xiangxing Ma, Qing Wang, Dexin Yu
AIMS: Conventional computed tomography (CT) approaches provides limited visualization of the entire endoluminal changes of aortic dissection (AD), which is essential for its treatment. As an important supplement, three-dimensional CT virtual intravascular endoscopy (VIE) can show relevant details. This study aims to determine the value of VIE in displaying the entry tear and intimal flap of AD. METHODS AND RESULTS: Among 127 consecutive symptomatic patients with suspected AD who underwent CT angiography (CTA), 84 subjects were confirmed to have AD and were included in the study...
2016: PloS One
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