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https://www.readbyqxmd.com/read/29354208/endovascular-treatment-of-pulmonary-embolism-selective-review-of-available-techniques
#1
REVIEW
John L Nosher, Arjun Patel, Sugeet Jagpal, Christopher Gribbin, Vyacheslav Gendel
Acute pulmonary embolism (PE) is the third most common cause of death in hospitalized patients. The development of sophisticated diagnostic and therapeutic modalities for PE, including endovascular therapy, affords a certain level of complexity to the treatment of patients with this important clinical entity. Furthermore, the lack of level I evidence for the safety and effectiveness of catheter directed therapy brings controversy to a promising treatment approach. In this review paper, we discuss the pathophysiology and clinical presentation of PE, review the medical and surgical treatment of the condition, and describe in detail the tools that are available for the endovascular therapy of PE, including mechanical thrombectomy, suction thrombectomy, and fibrinolytic therapy...
December 28, 2017: World Journal of Radiology
https://www.readbyqxmd.com/read/29352060/the-100-most-cited-articles-in-the-endovascular-management-of-intracranial-aneurysms
#2
Julian Maingard, Kevin Phan, Yifan Ren, Hong Kuan Kok, Vincent Thijs, Joshua A Hirsch, Michael J Lee, Ronil V Chandra, Duncan Mark Brooks, Hamed Asadi
INTRODUCTION: Endovascular interventions for intracranial aneurysms have evolved substantially over the past several decades. A citation rank list is used to measure the scientific and/or clinical impact of an article. Our objective was to identify and analyze the characteristics of the 100 most cited articles in the field of endovascular therapy for intracranial aneurysms. METHODS: We performed a retrospective bibliometric analysis between July and August 2017...
January 19, 2018: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/29352059/increased-blood-pressure-variability-after-endovascular-thrombectomy-for-acute-stroke-is-associated-with-worse-clinical-outcome
#3
Alicia E Bennett, Michael J Wilder, J Scott McNally, Jana J Wold, Gregory J Stoddard, Jennifer J Majersik, Safdar Ansari, Adam de Havenon
BACKGROUND AND PURPOSE: Blood pressure variability has been found to contribute to worse outcomes after intravenous tissue plasminogen activator, but the association has not been established after intra-arterial therapies. METHODS: We retrospectively reviewed patients with an ischemic stroke treated with intra-arterial therapies from 2005 to 2015. Blood pressure variability was measured as standard deviation (SD), coefficient of variation (CV), and successive variation (SV)...
January 19, 2018: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/29350645/developments-in-the-management-of-bone-metastases-with-interventional-radiology
#4
Francesco Arrigoni, Federico Bruno, Luigi Zugaro, Raffaele Natella, Salvatore Cappabianca, Umberto Russo, Vito Roberto Papapietro, Alessandra Splendiani, Ernesto Di Cesare, Carlo Masciocchi, Antonio Barile
Interventional radiology has known an exponential growth in the last years. Technological advances of the last decades, have made it possible to use new treatments on a larger scale, with safe and effective results. They could be considered as palliative treatments for painful lesions but also curative procedures, as single treatment or specially in combination with other techniques (surgery, radiation and oncology therapies, etc.).The main diffuse techniques are those of thermal ablation that destroy the target lesion through the heat; however there are also endovascular therapies that destroy the target tissue thanks to devascularization...
January 19, 2018: Acta Bio-medica: Atenei Parmensis
https://www.readbyqxmd.com/read/29350605/in-situ-administration-of-abciximab-for-thrombus-resolution-during-intracranial-bypass-surgery-case-report
#5
Ian A Buchanan, Brian Lee, Arun P Amar, Steven L Giannotta
Abciximab is a glycoprotein IIb/IIIa receptor antagonist that functions to prevent platelet aggregation, thus reducing thrombus initiation and propagation. It has been widely used during percutaneous endovascular interventions, such as aneurysm coil embolization, angioplasty, atherectomy, and stent placement, as both a preventative and a salvage therapy. The use of abciximab in cardiac and neurosurgical procedures has been associated with a reduced incidence of ischemic complications and a decreased need for repeated intervention...
January 19, 2018: Journal of Neurosurgery
https://www.readbyqxmd.com/read/29350590/human-genetics-and-molecular-mechanisms-of-vein-of-galen-malformation
#6
Daniel Duran, Philipp Karschnia, Jonathan R Gaillard, Jason K Karimy, Mark W Youngblood, Michael L DiLuna, Charles C Matouk, Beverly Aagaard-Kienitz, Edward R Smith, Darren B Orbach, Georges Rodesch, Alejandro Berenstein, Murat Gunel, Kristopher T Kahle
Vein of Galen malformations (VOGMs) are rare developmental cerebrovascular lesions characterized by fistulas between the choroidal circulation and the median prosencephalic vein. Although the treatment of VOGMs has greatly benefited from advances in endovascular therapy, including technical innovation in interventional neuroradiology, many patients are recalcitrant to procedural intervention or lack accessibility to specialized care centers, highlighting the need for improved screening, diagnostics, and therapeutics...
January 19, 2018: Journal of Neurosurgery. Pediatrics
https://www.readbyqxmd.com/read/29349430/surgical-repair-of-a-celiac-artery-aneurysm-using-a-sutureless-proximal-anastomosis-device
#7
Tetsuro Uchida, Azumi Hamasaki, Yoshinori Kuroda, Atsushi Yamashita, Jun Hayashi, Mitsuaki Sadahiro
Some celiac artery aneurysms are not suitable for endovascular therapy. We describe the case of a 63-year-old man with a celiac trunk aneurysm extending to the hepatosplenic bifurcation. The aneurysm was resected and oversewn at the origin from the abdominal aorta. A saphenous vein bypass from the supraceliac aorta to the celiac artery bifurcation was performed using a sutureless anastomotic device (PAS-Port system; Cardica, Redwood City, Calif) to create the proximal anastomosis, eliminating the need for aortic clamping...
December 2017: Journal of Vascular Surgery Cases and Innovative Techniques
https://www.readbyqxmd.com/read/29349411/takayasu-arteritis-with-middle-aortic-syndrome-and-mesenteric-ischemia-treated-by-aortic-stenting
#8
Sarah Morrissey, Kong Teng Tan, John Stephen Byrne
A 48-year-old woman suffering from Takayasu arteritis presented with middle aortic syndrome consisting of abdominal pain, refractory hypertension with pulmonary edema and pleural effusions, and lower limb ischemia. She failed to improve with high-dose steroid therapy and underwent endovascular stenting of two severe stenoses in the supraceliac and infrarenal aorta. Her symptoms resolved and hypertension improved after the procedure.
September 2017: Journal of Vascular Surgery Cases and Innovative Techniques
https://www.readbyqxmd.com/read/29346011/minimally-invasive-management-of-severe-aortoiliac-occlusive-disease
#9
Luigi Pascarella, Maen Aboul Hosn
BACKGROUND: Peripheral arterial disease (PAD) is a complex and highly prevalent pathology. It has been estimated that ∼8.5 million people in the United States are affected by PAD, of which 12%-20% are older than age 60. The TransAtlantic Inter-Society Consensus (TASC) guidelines classified aortoiliac atherosclerotic disease based on morphology and level of lesions. TASC II guidelines recommend bilateral surgical bypass to the femoral arteries for TASC II C and D lesions. The aortobifemoral bypass (ABF) has been considered the gold standard in the treatment of aortoiliac occlusive disease (AIOD)...
January 18, 2018: Journal of Laparoendoscopic & Advanced Surgical Techniques. Part A
https://www.readbyqxmd.com/read/29343588/modeling-the-impact-of-interhospital-transfer-network-design-on-stroke-outcomes-in-a-large-city
#10
Neal S Parikh, Abhinaba Chatterjee, Iván Díaz, Ankur Pandya, Alexander E Merkler, Gino Gialdini, Benjamin R Kummer, Saad A Mir, Michael P Lerario, Matthew E Fink, Babak B Navi, Hooman Kamel
BACKGROUND AND PURPOSE: We sought to model the effects of interhospital transfer network design on endovascular therapy eligibility and clinical outcomes of stroke because of large-vessel occlusion for the residents of a large city. METHODS: We modeled 3 transfer network designs for New York City. In model A, patients were transferred from spoke hospitals to the closest hub hospitals with endovascular capabilities irrespective of hospital affiliation. In model B, which was considered the base case, patients were transferred to the closest affiliated hub hospitals...
January 17, 2018: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/29342430/tissue-expander-stimulated-lengthening-of-arteries-for-the-treatment-of-midaortic-syndrome-in-children
#11
Heung Bae Kim, Gabriel J Ramos-Gonzalez, Khashayar Vakili, Deborah R Stein, Michael A Ferguson, Diego Porras, James E Lock, Gulraiz Chaudry, Ahmad Alomari, Steven J Fishman
BACKGROUND: Midaortic syndrome (MAS) is a rare condition characterized by stenosis of the abdominal aorta. Patients with disease refractory to medical management will usually require either endovascular therapy or surgery with use of prosthetic graft material for bypass or patch angioplasty. We report our early experience with a novel approach using a tissue expander (TE) to lengthen the normal native arteries in children with MAS, allowing primary aortic repair without the need for prosthetic graft material...
January 13, 2018: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/29340574/effect-of-general-anesthesia-and-conscious-sedation-during-endovascular-therapy-on-infarct-growth-and-clinical-outcomes-in-acute-ischemic-stroke-a-randomized-clinical-trial
#12
Claus Z Simonsen, Albert J Yoo, Leif H Sørensen, Niels Juul, Søren P Johnsen, Grethe Andersen, Mads Rasmussen
Importance: Endovascular therapy (EVT) is the standard of care for select patients who had a stroke caused by a large vessel occlusion in the anterior circulation, but there is uncertainty regarding the optimal anesthetic approach during EVT. Observational studies suggest that general anesthesia (GA) is associated with worse outcomes compared with conscious sedation (CS). Objective: To examine the effect of type of anesthesia during EVT on infarct growth and clinical outcome...
January 16, 2018: JAMA Neurology
https://www.readbyqxmd.com/read/29338866/the-repair-of-a-type-ia-endoleak-following-thoracic-endovascular-aortic-repair-using-a-stented-elephant-trunk-procedure
#13
Rui-Dong Qi, Jun-Ming Zhu, Yong-Min Liu, Lei Chen, Cheng-Nan Li, Xiao-Yan Xing, Li-Zhong Sun
BACKGROUND: Type Ia endoleaks are not uncommon complications that occur after thoracic endovascular aortic repair (TEVAR). Because aortic arch vessels prevent extension of the landing zone, it is very difficult to manipulate a type Ia endoleak using an extension cuff or stent-graft, especially when the aortic arch is involved. Here, we retrospectively review our experience of surgical treatment of type Ia endoleak after TEVAR using a stented elephant trunk procedure. METHODS: From July 2010 to August 2016, we treated 17 patients diagnosed with a type Ia endoleak following TEVAR using stented elephant trunk procedure...
December 14, 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/29338750/reperfusion-therapy-in-acute-ischemic-stroke-dawn-of-a-new-era
#14
REVIEW
Sonu Bhaskar, Peter Stanwell, Dennis Cordato, John Attia, Christopher Levi
Following the success of recent endovascular trials, endovascular therapy has emerged as an exciting addition to the arsenal of clinical management of patients with acute ischemic stroke (AIS). In this paper, we present an extensive overview of intravenous and endovascular reperfusion strategies, recent advances in AIS neurointervention, limitations of various treatment paradigms, and provide insights on imaging-guided reperfusion therapies. A roadmap for imaging guided reperfusion treatment workflow in AIS is also proposed...
January 16, 2018: BMC Neurology
https://www.readbyqxmd.com/read/29337179/surgical-treatment-of-recurrent-varicose-veins-in-the-lower-limbs-associated-with-endovascular-treatment-of-iliac-vein-stenosis
#15
Jie Kong, Peng Liu, Jinyong Li, Xueqiang Fan, Jianyan Wen, Jianbin Zhang, Rongwei Xu, Yiyao Cui, Xia Zhen, Zhidong Ye
OBJECTIVE: We present our experience with endovascular surgery for recurrent varicose veins (RVV) of the lower limbs combined with the iliac vein compression syndrome (IVCS). MATERIALS AND METHODS: This study was a retrospective analysis of 6 patients with RVVs combined with IVCS who were admitted to our hospital between January 2007 and December 2014. Transfemoral venography was performed to confirm IVCS. Balloon dilation and stent placement were successful in all 6 patients...
January 11, 2018: International Journal of Surgery
https://www.readbyqxmd.com/read/29336904/bypass-versus-endovascular-intervention-for-healing-ischemic-foot-wounds-secondary-to-tibial-arterial-disease
#16
Abhisekh Mohapatra, Jon C Henry, Efthimios D Avgerinos, Aureline Boitet, Rabih A Chaer, Michel S Makaroun, Steven A Leers, Eric S Hager
OBJECTIVE: Pedal (inframalleolar) bypass is a long-standing therapy for tibial arterial disease in patients with ischemic tissue loss. Endovascular tibial intervention is an appealing alternative with lower risks of perioperative mortality or complications. Our objective was to compare the effectiveness of these two treatment modalities with respect to patency and limb-related clinical outcomes. METHODS: We performed a retrospective chart review of patients presenting between 2006 and 2013 with ischemic foot wounds and infrapopliteal arterial disease who underwent a revascularization procedure (either open surgical bypass to an inframalleolar target or endovascular tibial intervention)...
January 11, 2018: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/29336757/radiofrequency-thermal-ablation-heat-energy-transfer-in-an-ex-vivo-model
#17
Shivani Thakur, Sandi Lavito, Elizabeth Grobner, Mark Grobner
Little work has been done to consider the temperature changes and energy transfer that occur in the tissue outside the vein with ultrasound-guided vein ablation therapy. In this experiment, a Ex-Vivo model of the human calf was used to analyze heat transfer and energy degradation in tissue surrounding the vein during endovascular radiofrequency ablation (RFA). A clinical vein ablation protocol was used to determine the tissue temperature distribution in 10 per cent agar gel. Heat energy from the radiofrequency catheter was measured for 140 seconds at fixed points by four thermometer probes placed equidistant radially at 0...
December 1, 2017: American Surgeon
https://www.readbyqxmd.com/read/29336234/haemostaseological-complication-management-in-caval-and-iliac-venous-stenting
#18
Corinne Kohler, Torsten Fuss, Ronny Schweizer, Iris Baumgartner, Nils Kucher, Marc Schindewolf
Antiplatelet and anticoagulation therapy after venous stenting is still not standardized, data from randomized-controlled trials are missing. Rare prothrombotic disorders and nonresponsiveness to drugs must be taken into account. This case report demonstrates successful haemostaselogical complication management in recurrent rethromboses due to underlying clopidogrel resistance and low responsiveness to anticoagulation with dabigatran after endovascular stent reconstruction of chronic pelvic and caval vein occlusion in a patient with severe postthrombotic syndrome...
January 16, 2018: VASA. Zeitschrift Für Gefässkrankheiten
https://www.readbyqxmd.com/read/29334777/endovascular-implantation-of-125i-seed-combined-with-transcatheter-arterial-chemoembolization-for-unresectable-hepatocellular-carcinoma
#19
Houbin Sun, Minghui Zhang, Ruibao Liu, Yan Liu, Yingwen Hou, Changjun Wu
AIM: The purpose of this study was to evaluate the efficacy and safety of the endovascular implantation of 125I seed under ultrasound and x-ray guidance combined with transcatheter arterial chemoembolization (TACE) for hepatocellular carcinoma (HCC) patients with portal vein tumor thrombosis (PVTT). PATIENTS & METHODS: The study included 134 pathologically proven or clinically confirmed primary HCC patients with PVTT in our hospital from January 2013 to June 2015...
January 16, 2018: Future Oncology
https://www.readbyqxmd.com/read/29333567/predictors-for-intracranial-hemorrhage-following-intravenous-thrombolysis-in-posterior-circulation-stroke
#20
Dorňák Tomáš, Král Michal, Sedláčková Zuzana, Šaňák Daniel, Čecháková Eva, Divišová Petra, Zapletalová Jana, Kaňovský Petr
Intravenous thrombolysis (IVT) is a standard treatment for anterior (ACS) and posterior circulation stroke (PCS). However, due to the low occurrence of PCS and of intracranial hemorrhage (ICH) in PCS, the knowledge about ICH predictors following IVT in PCS is sparse. Our aim was to identify predictors for ICH following IVT in PCS. The set consisted of 1281 consecutive ischemic stroke (IS) patients treated with IVT, out of which 158 (103 males; mean age 65.6 ± 12.3 years) had PCS. Collected data include baseline characteristics, common stroke risk factors, pre-medication, stroke severity, admission blood glucose level, blood pressure and treatment with intravenous antihypertensive therapy before and during IVT, occlusion of arteries, recanalization rate, time to treatment, and clinical outcome at day 90...
January 15, 2018: Translational Stroke Research
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