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Endovascular embolization

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https://www.readbyqxmd.com/read/28214128/robotic-arch-catheter-placement-reduces-cerebral-embolization-during-thoracic-endovascular-aortic-repair-tevar
#1
A H Perera, C V Riga, L Monzon, R G Gibbs, C D Bicknell, M Hamady
OBJECTIVE: Stroke caused by cerebral embolization constitutes a principal risk during arch manipulation and thoracic endovascular aortic repair (TEVAR). This study investigates the incidence of cerebral embolization during catheter placement in the aortic arch, and compares robotic and manual techniques. METHODS: Intra-operative transcranial Doppler (TCD) was performed in 11 patients undergoing TEVAR. Wire and catheter placement in the arch was performed by two experienced operators...
February 14, 2017: European Journal of Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/28209306/successful-coil-embolization-of-a-ruptured-mycotic-aneurysm-that-developed-three-days-after-septic-embolic-infarction-case-report-and-review-of-the-literature
#2
Joshua L Wang, Archana P Hinduja, Ciarán J Powers
BACKGROUND: Infectious intracranial aneurysms (IIAs) are rare entities and are often associated with septic embolus from infectious endocarditis. They may develop rapidly and carry a higher risk of rupture and mortality compared to noninfectious aneurysms. However, the development and rupture of an IIA within 48h in a patient with septic infarction patient is exceedingly rare. CASE DESCRIPTION: In this report, we describe a 25-year-old male who presented with left-sided hemiparesis and dysarthria from septic embolus to the right middle cerebral artery...
February 10, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28196614/safety-and-efficacy-of-embolization-using-onyx-%C3%A2-of-persistent-type-ii-endoleaks-after-abdominal-endovascular-aneurysm-repair
#3
C Marcelin, Y Le Bras, F Petitpierre, D Midy, E Ducasse, N Grenier, F Cornelis
PURPOSE: To retrospectively evaluate the safety and efficacy of embolization of persistent type II endoleaks occurring after abdominal endovascular aneurysm repair (EVAR) using ethylene vinyl alcohol copolymer (Onyx(®)). MATERIAL AND METHODS: Between 2008 and 2016, 28 consecutives patients (25 men, 3 women) with a mean age of 75.3years±9 (SD) (range: 59-90years) were treated for 29 persistent type II endoleaks with increasing aneurysm size>5mm occurring after EVAR...
February 10, 2017: Diagnostic and Interventional Imaging
https://www.readbyqxmd.com/read/28195862/a-case-report-of-onyx-pulmonary-arterial-embolism-contributing-to-hypoxemia-during-awake-craniotomy-for-arteriovenous-malformation-resection
#4
Brian T Tolly, Jenna L Kosky, Antoun Koht, Laura B Hemmer
A healthy 26-year-old man with cerebral arteriovenous malformation underwent staged endovascular embolization with Onyx followed by awake craniotomy for resection. The perioperative course was complicated by tachycardia and severe intraoperative hypoxemia requiring significant oxygen supplementation. Postoperative chest computed tomography (CT) revealed hyperattenuating Onyx embolization material within the pulmonary vasculature, and an electrocardiogram indicated possible right heart strain, supporting clinically significant embolism...
February 15, 2017: A & A Case Reports
https://www.readbyqxmd.com/read/28195823/clinical-safety-of-bariatric-arterial-embolization-preliminary-results-of-the-beat-obesity-trial
#5
Clifford R Weiss, Olaguoke Akinwande, Kaylan Paudel, Lawrence J Cheskin, Brian Holly, Kelvin Hong, Aaron M Fischman, Rahul S Patel, Eun J Shin, Kimberley E Steele, Timothy H Moran, Kristen Kaiser, Amie Park, David M Shade, Dara L Kraitchman, Aravind Arepally
Purpose To conduct a pilot prospective clinical trial to evaluate the feasibility, safety, and short-term efficacy of bariatric embolization, a recently developed endovascular procedure for the treatment of obesity, in patients with severe obesity. Materials and Methods This is an institutional review board- and U.S. Food and Drug Administration-approved prospective physician-initiated investigational device exemption study. This phase of the study ran from June 2, 2014, to August 4, 2015. Five severely obese patients (four women, one man) who were 31-49 years of age and who had a mean body mass index of 43...
January 17, 2017: Radiology
https://www.readbyqxmd.com/read/28194506/treatment-of-type-ii-endoleaks-with-a-novel-agent-precipitating-hydrophobic-injectable-liquid-phil
#6
Amir Helmy, Nadeem Shaida
OBJECTIVE: Endovascular aortic aneurysm repair has become the principle technique used to treat abdominal aortic aneurysms. However, its long-term success is limited by complications, including type II endoleaks from lumbar arteries and the inferior mesenteric artery. Treatment of these endoleaks can be difficult. The most commonly performed procedure is embolisation via mesenteric or iliolumbar vessels. Embolic agents currently used include coils, glue and Onyx, all of which have their limitations...
February 13, 2017: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/28194477/maximizing-first-pass-complete-reperfusion-with-save
#7
Volker Maus, Daniel Behme, Christoph Kabbasch, Jan Borggrefe, Ioannis Tsogkas, Omid Nikoubashman, Martin Wiesmann, Michael Knauth, Anastasios Mpotsaris, Marios Nikos Psychogios
BACKGROUND: Endovascular techniques for treatment of large vessel occlusions (LVO) in patients with acute ischemic stroke (AIS) have advanced in recent years. We report a multicenter experience using a combined aspiration and stent retriever technique for mechanical thrombectomy (MT). METHODS: We retrospectively analyzed 32 consecutive MT patients using a novel, combined approach of Stent retriever Assisted Vacuum-locked Extraction (SAVE) by 3 operators at 3 stroke centers...
February 13, 2017: Clinical Neuroradiology
https://www.readbyqxmd.com/read/28191625/iatrogenic-vascular-injuries-due-to-spinal-surgeries-endovascular-perspective
#8
Mustafa Gok, Elcin Aydin, Serkan Guneyli, Ali Akay, Celal Cinar, Ismail Oran
AIM: Iatrogenic vascular injuries due to spinal surgeries are rare but serious complications. Surgical management of these injuries is challenging with high morbidity rates. In this study we aim to present the results of endovascular management of iatrogenic vascular injuries due to spinal surgeries. MATERIAL AND METHODS: We retrospectively reviewed 11 patients (5 male, 6 female) who had vascular injuries due to cervical and lumbar spinal surgeries. Clinical findings were bleeding (n=5), leg edema (n=6) and right heart failure with severe dyspnea (n=1)...
January 17, 2017: Turkish Neurosurgery
https://www.readbyqxmd.com/read/28191380/transorbital-approach-for-endovascular-occlusion-of-carotid-cavernous-fistulas-technical-note-and-review-of-the-literature
#9
Ching-Jen Chen, Panagiotis Mastorakos, James P Caruso, Dale Ding, Paul J Schmitt, Thomas J Buell, Daniel M Raper, Avery Evans, Steven A Newman, Mary E Jensen
Carotid-cavernous fistulas (CCFs) pose an anatomically and physiologically challenging problem for clinicians. The most common method of treatment for these lesions is transvenous endovascular embolization via the inferior petrosal sinus or the facial vein. When transvenous access is not possible, an alternate approach must be devised. We describe a case example with bilateral Barrow Type B CCFs, which were inaccessible using the traditional transvenous approach. Hence, a direct transorbital approach, performed under fluoroscopic guidance, was employed to successfully obliterate the CCF...
January 12, 2017: Curēus
https://www.readbyqxmd.com/read/28186472/clinical-presentation-and-treatment-outcomes-of-spinal-epidural-arteriovenous-fistulas
#10
Deena M Nasr, Waleed Brinjikji, Michelle J Clarke, Giuseppe Lanzino
OBJECTIVE Spinal epidural arteriovenous fistulas (SEDAVFs) constitute a rare but treatable cause of vascular myelopathy and are a different subtype from the more common Type I spinal dural AVFs. The purpose of this study was to review a consecutive series of SEDAVFs from a single institution and report on the clinical presentations, functional status, and treatment outcomes. METHODS The authors identified all SEDAVFs treated at their institution from 2005 to 2015. SEDAVFs were defined as spinal AVFs in which the fistulous connection occurred in the epidural venous plexus...
February 10, 2017: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/28184352/spontaneous-aggressive-conversion-of-venous-drainage-pattern-in-dural-arteriovenous-fistula-treated-with-onyx-embolization
#11
Yeongu Chung, Seok Keun Choi, Sung Ho Lee, Eui Jong Kim
We report a case of dural arteriovenous fistula (DAVF) that showed spontaneous conversion of venous drainage pattern from Borden type II to type III within a four month period of follow-up. Upon admission, the patient presented with aggravated neurologic status and newly developed seizure. After admission, endovascular embolization was performed through the middle meningeal artery with Onyx®. Complete obliteration of dural arteriovenous shunt was confirmed by angiography, and the patient's clinical symptoms improved...
December 2016: Journal of Cerebrovascular and Endovascular Neurosurgery
https://www.readbyqxmd.com/read/28184345/y-configuration-stent-assisted-coil-embolization-for-wide-necked-intracranial-bifurcation-aneurysms
#12
Kwangho Lee, Hyun Park, Insung Park, Sukh Que Park, O-Ki Kwon, Jongwoo Han
OBJECTIVE: The objective of this study was to determine the efficiency and safety of Y configuration stent-assisted coiling with double-closed stents for wide-necked intracranial aneurysms located at arterial bifurcations thorough analysis of a multicenter case series. MATERIALS AND METHODS: A retrospective chart review was done on 10 patients who underwent endovascular treatment of wide-necked intracranial aneurysms with Y-configuration stent-assisted coil embolization in three centers from August 2011 to March 2014...
December 2016: Journal of Cerebrovascular and Endovascular Neurosurgery
https://www.readbyqxmd.com/read/28183429/successful-facial-artery-pseudoaneurysm-coiling-and-pedicle-preservation-following-free-tissue-transfer
#13
Andrew T Day, Dane J Genther, Ferdinand Hui, Wojciech K Mydlarz, Gillian Griffith, Shaun C Desai
Patients undergoing free tissue reconstruction are at risk for development of an anastomotic pseudoaneurysm, which may present as delayed neck hemorrhage or a pulsatile neck mass. Diagnosis may be achieved by noninvasive imaging, angiography, and exploration. Management strategies for head and neck pseudoaneurysms have included open vessel ligation, open direct vessel repair, endovascular parent vessel embolization, and, most recently, endovascular pseudoaneurysm embolization. In patients with anastomotic pseudoaneurysms where adequate flap inosculation is doubted, endovascular pseudoaneurysm embolization with pedicle preservation may be an appropriate primary treatment approach...
January 2017: American Journal of Otolaryngology
https://www.readbyqxmd.com/read/28179542/surgical-technique-for-venous-patch-aneurysms-with-no-neck-in-a-rabbit-model
#14
Kilian Greim-Kuczewski, Alejandro Berenstein, Sebastian Kis, Anna Hauser, Monika Killer-Oberpfalzer
BACKGROUND: Animal experimental studies are crucial for the development of endovascular devices and embolization techniques for intracranial aneurysms. The aim of the study was to describe the surgical creation technique for an aneurysm with a dilated shape and no definable aneurysm neck. The model should be reproducible in size and shape and stay patent over a long period of time. It should constitute a challenge to endovascular therapy and provide a valuable testing environment for new endovascular devices and techniques...
February 8, 2017: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/28168068/treatment-challenges-of-a-primary-vertebral-artery-aneurysm-causing-recurrent-ischemic-strokes
#15
Davide Strambo, Luca Peruzzotti-Jametti, Aurora Semerano, Giovanna Fanelli, Franco Simionato, Roberto Chiesa, Enrico Rinaldi, Vittorio Martinelli, Giancarlo Comi, Marco Bacigaluppi, Maria Sessa
Background. Extracranial vertebral artery aneurysms are a rare cause of embolic stroke; surgical and endovascular therapy options are debated and long-term complication may occur. Case Report. A 53-year-old man affected by neurofibromatosis type 1 (NF1) came to our attention for recurrent vertebrobasilar embolic strokes, caused by a primary giant, partially thrombosed, fusiform aneurysm of the left extracranial vertebral artery. The aneurysm was treated by endovascular approach through deposition of Guglielmi Detachable Coils in the proximal segment of the left vertebral artery...
2017: Case Reports in Neurological Medicine
https://www.readbyqxmd.com/read/28165559/comparison-of-the-efficacy-of-surgical-clipping-and-embolization-for-oculomotor-nerve-palsy-due-to-a-posterior-communicating-artery-aneurysm
#16
G Gao, D-Q Gu, Y Zhang, J Yu, Y Chen, Y-J Chao, J-J Wei, X-M Fu, C-S Niu
OBJECTIVE: To aim at the efficacies of surgical clipping and endovascular embolization for oculomotor nerve palsy (ONP) as treatments for posterior communicating artery aneurysm (PcoAA), and the comparison and various influencing factors of the treatments. PATIENTS AND METHODS: An analysis of the clinical data of 52 enrolled PcoAA patients with ONP who had treatment in the Department of Neurosurgery in Anhui Provincial Hospital from January 2011 to June 2015 was conducted...
January 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28164000/spinal-dural-arteriovenous-fistula-and-cecal-arteriovenous-malformation-in-a-boy
#17
Vimlesh Soni, Pankaj C Vaidya, Jitendra Kumar Sahu, Mukesh Yadav, Pratibha Singhi
Concurrent spinal dural arteriovenous fistula (AVF) and cecal arteriovenous malformation (AVM) are very rare. A 6-year old boy presented with lower limb paresis after trauma. On imaging work-up spinal dural AVF was found. It was managed with endovascular glue embolization. After two years, the boy presented with severe anemia and occult gastrointestinal tract (GIT) bleed. Cecal AVM was diagnosed and managed with embolization.
January 2017: APSP Journal of Case Reports
https://www.readbyqxmd.com/read/28163497/successful-endovascular-neurosurgical-practice-in-resource-poor-exclusive-rural-neuro-hospital-setup
#18
Kamble Jayaprakash Harsha
AIM: The aim of this study to evaluate the feasibility of establishing endovascular neurosurgery in remote resource-poor neuro-hospital setup and evaluate its outcome. MATERIALS AND METHODS: Retrospective analysis of diagnostic and therapeutic endovascular neurosurgical procedures performed during September 2013-June 2016. RESULTS: A total of 174 diagnostic cerebral and spinal digital subtraction angiograms and 70 major endovascular neurosurgeries were performed during the period...
December 2016: Journal of Neurosciences in Rural Practice
https://www.readbyqxmd.com/read/28163279/impact-of-vessel-diameter-measured-by-preprocedural-computed-tomography-angiography-on-immediate-and-late-outcomes-of-endovascular-therapy-for-iliac-artery-diseases
#19
Sung-Jin Hong, Young-Guk Ko, Dong-Ho Shin, Jung-Sun Kim, Byeong-Keuk Kim, Donghoon Choi, Myeong-Ki Hong, Yangsoo Jang
BACKGROUND: We evaluated whether vessel diameters measured by preprocedural computed tomography angiography (CTA) affects the immediate and late outcomes of endovascular therapy for iliac artery diseases.Methods and Results:A total of 254 patients who underwent endovascular treatment for iliac artery diseases were retrospectively evaluated. Minimum vessel diameters were measured on preprocedural CTA images at target lesions, common iliac arteries, and external iliac arteries (EIA)...
February 3, 2017: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/28163175/thrombosis-of-the-inferior-vena-cava-after-endovascular-aortic-repair-in-a-patient-with-may-thurner-syndrome-case-report-and-literature-review
#20
Firouza Dahi, Asimakis Gkremoutis, Marc Harth, Thomas Schmitz-Rixen, Michael Keese
Inferior vena cava (IVC) thrombosis is a rare complication of abdominal aortic aneurysm (AAA). A 70-year-old male patient of Italian origin presented with a 9.3 x 8.4 cm infrarenal AAA, which was treated by endovascular aortic repair (EVAR). He reported a history of ulcerative colitis and was on prednisolone 80 mg daily. Seven weeks postoperatively the patient was readmitted with a deep vein thrombosis including both iliac veins and IVC, and bilateral pulmonary embolism. Venous thrombectomy and decompression of the IVC was performed by partial resection of the aneurysm sac...
February 2, 2017: Annals of Vascular Surgery
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