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Endovascular embolization

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https://www.readbyqxmd.com/read/29678886/the-neuroform-atlas-stent-to-assist-coil-embolization-of-intracranial-aneurysms-a-multicentre-experience
#1
Christian Ulfert, Mirko Pham, Michael Sonnberger, Franco Amaya, Johannes Trenkler, Martin Bendszus, Markus A Möhlenbruch
OBJECTIVE: To assess the clinical safety and efficacy of the Atlas microstent in stent-assisted coil embolization of wide-necked intracranial aneurysms. METHODS: Single-center observational study in 36 patients (24 female, 12 male, mean age 56 years) with 37 aneurysms for the endovascular treatment of wide-necked aneurysms. After giving informed consent, patients were included according to the following criteria: aneurysm dome-to-neck ratio <2 or neck diameter >4 mm, and a parent vessel diameter of ≤4...
April 20, 2018: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/29676670/timing-severity-of-deficits-and-clinical-improvement-after-surgery-for-spinal-dural-arteriovenous-fistulas
#2
Michael M Safaee, Aaron J Clark, Jan-Karl Burkhardt, Ethan A Winkler, Michael T Lawton
OBJECTIVE Spinal dural arteriovenous fistulas (dAVFs) are rare vascular abnormalities caused by arteriovenous shunting. They often form at the dural root sleeve between a radicular feeding artery and draining medullary vein causing venous congestion and edema, decreased perfusion, and ischemia of the spinal cord. Treatment consists of either surgical ligation of the draining vein or selective embolization via an endovascular approach. There is a paucity of data on which modality provides more durable and effective outcomes...
April 20, 2018: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/29676328/papilledema-revisiting-after-sinus-angioplasty-of-chronic-cerebral-venous-sinus-thrombosis
#3
Vaibhav Kumar Jain, Vivek Singh, Vikas Kannaujia, Priyadarshini Mishra, Rajendra Vishnu Phadke, Kumudini Sharma
This case series aimed to review the significance of revisiting papilledema after successful cerebral venous sinus thrombosis (CVST) management with sinus angioplasty. Four patients presented with blurring and transient obscuration of vision with papilledema, headache, tinnitus, and vomiting. On magnetic resonance venography and digital subtraction angiography, chronic transverse sinus thrombosis was diagnosed for which patients underwent endovascular intervention (stenting). After the resolution of CVST, patients developed the recurrence of symptoms which on digital subtraction angiography revealed dural arteriovenous malformation (DAVM)...
May 2018: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/29676168/transnasal-endoscopic-sphenopalatine-artery-ligation-compared-with-embolization-for-intractable-epistaxis-a-long-term-analysis
#4
G de Bonnecaze, Y Gallois, F Bonneville, S Vergez, B Chaput, E Serrano
Background Transnasal endoscopic sphenopalatine artery ligation (TESPAL) and selective embolization both provide excellent treatment success rate in the management of intractable epistaxis. Few long-term studies comparing these approaches have been previously published. Recommendations often present these techniques as alternatives, but there is no clear consensus. Objective The purpose of this study was to evaluate and compare the clinical efficacy of sphenopalatine artery ligation versus embolization to control intractable epistaxis...
January 1, 2018: American Journal of Rhinology & Allergy
https://www.readbyqxmd.com/read/29675589/does-stent-type-impact-coil-embolization-outcomes-in-extended-follow-up-of-small-sized-aneurysms-10-mm
#5
Jeongjun Lee, Young Dae Cho, Dong Hyun Yoo, Hyun-Seung Kang, Won-Sang Cho, Jeong Eun Kim, Jusun Moon, Moon Hee Han
PURPOSE: Self-expandable stents have enabled endovascular treatment of wide-necked aneurysms (ordinarily viewed as technically prohibitive), with favorable outcomes. However, the impact of stent type on occlusive stability has not been adequately investigated. In small-sized unruptured saccular aneurysms, we generated estimates of stent-assisted coil embolization outcomes during follow-up monitoring. Stent type and other risk factors linked to recanalization were analyzed. METHODS: A cohort of 286 patients harboring 312 small-sized unruptured aneurysms (< 10 mm) was subjected to mid-term and extended follow-up monitoring after stent-assisted coiling...
April 20, 2018: Neuroradiology
https://www.readbyqxmd.com/read/29674011/endovascular-transjugular-occlusion-of-congenital-intrahepatic-portosystemic-venous-shunt-using-simultaneous-fluoroscopy-and-transabdominal-ultrasound-guidance-report-of-2-cases
#6
Ujjwal Gorsi, Naveen Kalra, Pankaj Gupta, Karthik Rayasam, Babu Ram Thapa, Hemant Bhagat, Niranjan Khandelwal
Congenital intrahepatic portosystemic venous shunts (CIPVS) are rare anomalies that can be detected before birth or in early infancy or later in life. Symptomatic shunts are treated as they carry high risk of complications like hepatic encephalopathy. Various treatment options include surgery, endovascular embolization, and percutaneous closure devices. We treated 2 infants with CIPVS successfully by endovascular embolization of the shunt using vascular plug through transjugular route. Transabdominal ultrasound guidance in addition to fluoroscopy was used at the time of vascular plug placement...
March 20, 2018: Current Problems in Diagnostic Radiology
https://www.readbyqxmd.com/read/29673298/initial-clinical-experience-using-the-low-profile-altura-endograft-system-with-double-d-shaped-proximal-stents-for-endovascular-aneurysm-repair
#7
Dainis Krievins, Albrecht Krämer, Janis Savlovskis, Georgij Oszkinis, E Sebastian Debus, Alexander Oberhuber, Christopher K Zarins
PURPOSE: To report the initial clinical results of endovascular aneurysm repair (EVAR) using the low-profile (14-F) Altura Endograft System, which features a double "D-shaped" stent design with suprarenal fixation and modular iliac components that are deployed from distal to proximal. METHODS: From 2011 to 2015, 90 patients (mean age 72.8±8.3 years; 79 men) with abdominal aortic aneurysm (AAA; mean diameter 53.8±5.7 mm) were treated at 10 clinical sites in 2 prospective, controlled clinical studies using the Altura endograft...
April 1, 2018: Journal of Endovascular Therapy
https://www.readbyqxmd.com/read/29670739/endovascular-treatment-of-an-intraosseous-arteriovenous-malformation-of-the-mandible-in-a-child-a-case-report
#8
Paolo Cariati, Ana-Belén Marín-Fernández, Miguel-Ángel Julia-Martínez, Miguel Pérez-de Perceval-Tara, Darío Sánchez-López, Ildefonso Martínez-Lara
The modern application of interventional radiology techniques is revolutionizing the treatment of the vascular malformations of the head and neck. In fact, the morbidity related with the surgical extirpation of the malformation might be drastically reduced with the use of an endovascular approach. The present report describes the case of a 11 years old male affected by a large intraosseous arteriovenous malformation of the mandible. The coil embolization of the main drainage vein caused the spontaneous regression of the lesion and avoided a mutilating surgery and severe psychological sequels...
February 2018: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/29670533/thrombosis-in-cerebral-aneurysms-and-the-computational-modeling-thereof-a-review
#9
REVIEW
Malebogo N Ngoepe, Alejandro F Frangi, James V Byrne, Yiannis Ventikos
Thrombosis is a condition closely related to cerebral aneurysms and controlled thrombosis is the main purpose of endovascular embolization treatment. The mechanisms governing thrombus initiation and evolution in cerebral aneurysms have not been fully elucidated and this presents challenges for interventional planning. Significant effort has been directed towards developing computational methods aimed at streamlining the interventional planning process for unruptured cerebral aneurysm treatment. Included in these methods are computational models of thrombus development following endovascular device placement...
2018: Frontiers in Physiology
https://www.readbyqxmd.com/read/29669475/current-status-of-distal-embolization-in-femoropopliteal-endovascular-interventions
#10
Alessandro Cannavale, Mariangela Santoni, Marianna Gazzetti, Carlo Catalano, Fabrizio Fanelli
The application of advanced endovascular techniques in very complex femoropopliteal atherosclerotic lesions has shown to expose patients to a higher risk of distal embolization (DE). This complication can affect both the short- and long-term outcomes, leading to worsening ischemia, early minor/major amputation, and longer hospital stay. Recently, there has been an increasing body of evidence on pathophysiology and clinical-radiological management of DE that however has not been systematically addressed by guidelines...
January 1, 2018: Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/29666905/balloon-occluded-carbon-dioxide-gas-angiography-for-internal-iliac-arteriography-and-intervention
#11
Mitsuhiro Kishino, Shuichiro Nakaminato, Yoshio Kitazume, Naoyuki Miyasaka, Toshifumi Kudo, Yukihisa Saida, Ukihide Tateishi
INTRODUCTION: The usefulness of carbon dioxide (CO2 ) gas digital subtraction angiography (DSA) has been reported for patients with renal insufficiency and allergy to iodinated contrast agents. However, CO2 gas cannot replace the iodinated contrast agent in all cases owing to some disadvantages. We describe balloon-occluded CO2 DSA (B-CO2 DSA) as an improved CO2 DSA procedure for interventions in the internal iliac artery (IIA) region and compare the quality of images obtained using conventional CO2 DSA and B-CO2 DSA...
April 17, 2018: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/29661987/review-of-the-latest-percutaneous-devices-in-critical-limb-ischemia
#12
REVIEW
Leila Haghighat, Sophia Elissa Altin, Robert R Attaran, Carlos Mena-Hurtado, Christopher J Regan
Critical limb ischemia (CLI) is a terminal stage of peripheral arterial disease that, in the absence of intervention, may lead to lower extremity amputation or death. Endovascular interventions have become a first-line approach to the management of CLI and have advanced considerably within the past decade. This review summarizes the types of percutaneous devices and the techniques that are available for the management of CLI and the data supporting their use. These include devices that establish and maintain vessel patency, including percutaneous transluminal angioplasty, drug-coated balloons, bare metal stents, drug-eluting stents, bioresorbable vascular scaffolds, and atherectomy; devices that provide protection from embolization; and, cell-based therapies...
April 14, 2018: Journal of Clinical Medicine
https://www.readbyqxmd.com/read/29661366/a-systematic-review-of-venous-aneurysms-by-anatomic-location
#13
REVIEW
Katherine A Teter, Thomas M Maldonado, Mark A Adelman
OBJECTIVE: Venous aneurysms are uncommon vascular abnormalities that may be identified anywhere in the body. Historically, they were often misdiagnosed as soft tissue lesions, but with the advent of readily available noninvasive imaging (such as duplex ultrasound), they can now be easily identified. Our aim was to review the presentation of venous aneurysms, available imaging modalities for defining them, and management. METHODS: The English-language literature before March 2017 was reviewed, and only reports of primary venous aneurysms of the deep veins were included...
May 2018: Journal of Vascular Surgery. Venous and Lymphatic Disorders
https://www.readbyqxmd.com/read/29651586/revascularization-techniques-for-acute-basilar-artery-occlusion-technical-considerations-and-outcome-in-the-setting-of-severe-posterior-circulation-steno-occlusive-disease
#14
Eberhard Siebert, Georg Bohner, Sarah Zweynert, Volker Maus, Anastasios Mpotsaris, Thomas Liebig, Christoph Kabbasch
PURPOSE: To describe the clinical and radiological characteristics, frequency, technical aspects and outcome of endovascular treatment of acute basilar artery occlusion (ABO) in the setting of vertebrobasilar steno-occlusive disease. METHODS: Retrospective analysis of databases of two universitary stroke centers including all consecutive patients from January 2013 until May 2017 undergoing thrombectomy for a) acute stroke due to basilar artery occlusion and either significant basilar artery stenosis or vertebral artery stenosis/occlusion as well as b) presumed embolic basilar artery occlusions...
April 12, 2018: Clinical Neuroradiology
https://www.readbyqxmd.com/read/29650785/surpass-streamline-flow-diverter-embolization-device-for-treatment-of-iatrogenic-and-traumatic-internal-carotid-artery-injuries
#15
M Ghorbani, H Shojaei, K Bavand, M Azar
Iatrogenic and traumatic cerebral internal carotid artery injuries are uncommon but potentially lethal complications. Direct surgical repair of ICA injuries may be difficult in an acute setting. However, endovascular treatment with a flow-diverter embolization device is a feasible alternative technique that we experienced. In this clinical report, we describe demographic data, radiographic images, lesion characteristics, endovascular procedure notes, postprocedural hospital course, and follow-up digital subtraction angiography of 5 patients...
April 12, 2018: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/29650784/under-pressure-comparison-of-aspiration-techniques-for-endovascular-mechanical-thrombectomy
#16
O Nikoubashman, D Wischer, H M Hennemann, M Büsen, C Brockmann, M Wiesmann
BACKGROUND AND PURPOSE: Blood flow should be interrupted during mechanical thrombectomy to prevent embolization of clot fragments. The purpose of our study was to provide a handy overview of the most common aspiration devices and to quantify their flow characteristics. MATERIALS AND METHODS: We assessed volumetric flow rates generated by a 60-mL VacLok vacuum pressure syringe, a Pump MAX aspiration pump, and a Dominant Flex suction pump connected to the following: 1) an 8F long sheath, 2) an 8F balloon-guide catheter, 3) an ACE 64 distal aspiration catheter, and 4) an AXS Catalyst 6 Distal Access Catheter...
April 12, 2018: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/29650705/outcomes-of-peripheral-vascular-interventions-in-select-patients-with-lower-extremity-acute-limb-ischemia
#17
Elica Inagaki, Alik Farber, Jeffrey A Kalish, Mohammad H Eslami, Jeffrey J Siracuse, Robert T Eberhardt, Denis V Rybin, Gheorghe Doros, Naomi M Hamburg
BACKGROUND: Contemporary data on patients presenting with acute limb ischemia (ALI), who are selected for treatment with endovascular peripheral vascular interventions (PVI), are limited. Our study examined outcomes following endovascular PVI in patients with ALI by comparing with patients treated for chronic critical limb ischemia using a regional quality improvement registry. METHODS AND RESULTS: Of the 11 035 patients in the Vascular Study Group of New England PVI database (2010-2014), we identified 365 patients treated for lower extremity ALI who were 5:1 frequency matched (by procedure year and arterial segments treated) to 1808 patients treated for critical limb ischemia...
April 12, 2018: Journal of the American Heart Association
https://www.readbyqxmd.com/read/29642985/retained-capsule-endoscopy-in-a-patient-with-a-meckel-diverticulum-previously-treated-by-endovascular-embolization
#18
Oscar Cano-Valderrama, Belen Manso, Jaime Ruiz-Tovar, Manuel Duran-Poveda, Sandra Agudo-Fernández
No abstract text is available yet for this article.
January 1, 2018: American Surgeon
https://www.readbyqxmd.com/read/29628950/safety-assessment-of-endovascular-treatment-of-cerebral-aneurysms-in-patients-with-fibromuscular-dysplasia
#19
Matthew T Bender, Christopher Hurtado, Bowen Jiang, Jessica K Campos, Judy Huang, Rafael J Tamargo, Li-Mei Lin, Alexander L Coon, Geoffrey P Colby
Background: The prevalence of cerebral aneurysms is increased in fibromuscular dysplasia (FMD). The presence of FMD may serve as discouragement to elective endovascular aneurysm treatment. Outcomes of endovascular intervention for aneurysms through vessels affected by FMD have not been reported. Methods: A prospectively maintained database of patients undergoing intracranial embolization was reviewed for patients with FMD who underwent endovascular aneurysm treatment...
February 2018: Interventional Neurology
https://www.readbyqxmd.com/read/29628938/spontaneous-resolution-of-post-traumatic-direct-carotid-cavernous-fistula
#20
Varun Naragum, Glenn Barest, Mohamad AbdalKader, Katharine M Cronk, Thanh N Nguyen
Post-traumatic carotid-cavernous fistulas are due to a tear in the wall of the cavernous carotid artery, leading to shunting of blood into the cavernous sinus. These are generally high-flow fistula and rarely resolve spontaneously. Most cases require endovascular embolization. We report a case of Barrow type A carotid-cavernous fistula which resolved spontaneously.
February 2018: Interventional Neurology
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