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Cerebral embolism

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https://www.readbyqxmd.com/read/29781369/contralateral-extensive-cerebral-hemorrhagic-venous-infarction-caused-by-retrograde-venous-reflux-into-the-opposite-basal-vein-of-rosenthal-in-posttraumatic-carotid-cavernous-fistula-a-case-report-and-literature-review
#1
Prasert Iampreechakul, Adisak Tanpun, Punjama Lertbusayanukul, Somkiet Siriwimonmas
We describe a patient with traumatic carotid-cavernous fistula (CCF), subsequently developing contralateral extensive hemorrhagic venous infarction from retrograde venous reflux into the opposite basal vein of Rosenthal. A 54-year-old woman was involved in a motor vehicle accident and sustained severe traumatic brain injury. Two months later, she developed bilateral proptosis and audible bruit. Magnetic resonance imaging (MRI) and magnetic resonance angiography (MRA) of the brain demonstrated the right direct CCF...
January 1, 2018: Interventional Neuroradiology
https://www.readbyqxmd.com/read/29780944/central-retinal-artery-occlusion-secondary-to-barlow-s-disease
#2
Carl S Wilkins, Katherine McCabe, Avnish Deobhakta, James Chelnis
Purpose: To report a rare case of isolated, unilateral CRAO in a young patient with mitral valve prolapse secondary to Barlow's disease. Observations: A 29-year-old woman with history of premature ventricular contractions and cardiac ablation presented to the emergency room after sudden onset painless visual loss in her left eye (OS). Her vision was 20/20 in her right eye and hand motion in the left. Fundus exam demonstrated a central retinal artery occlusion (CRAO) OS...
June 2018: American Journal of Ophthalmology Case Reports
https://www.readbyqxmd.com/read/29780232/cerebral-arteriovenous-malformations-in-the-era-of-embolization-for-angiographic-cure-a-single-center-experience-in-egypt
#3
Mohamed K Elewa
Background: Embolization for cerebral arteriovenous malformations (AVMs) has evolved in the last decade with evolution in both equipment and material. Embolization targets have expanded to include angiographic cure. Methods: To discuss the technical and management outcomes of our first cerebral AVM case series treated with embolization. The clinical, angiographic, treatment, and outcome variables of consecutive cerebral arteriovenous malformation cases, treated with curative embolization, between January 2011 and June 2017 in one regional center, were retrospectively analyzed...
2018: The Egyptian journal of neurology, psychiatry and neurosurgery
https://www.readbyqxmd.com/read/29775770/treatment-of-ruptured-vertebral-artery-dissection-and-abdominal-hemorrhage-associated-with-segmental-arterial-mediolysis-using-endovascular-coil-embolization-va-dissection-associated-with-sam
#4
Taiki Isaji, Tomotaka Ohshima, Sigeru Miyachi, Naoki Matsuo, Reo Kawaguchi, Masakazu Takayasu
BACKGROUND: Segmental arterial mediolysis is a rare disease characterized by idiopathic noninflammatory vasculopathy involving small to medium arteries. Here, we report a case of ruptured cerebral and abdominal aneurysms, which were successfully treated using emergency endovascular coil embolization. CASE DESCRIPTION: A 45-year-old male suffered subarachnoid hemorrhage caused by the rupture of the right vertebral artery dissecting aneurysm, which was treated using emergency endovascular coiling...
May 15, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29775170/rationale-design-and-protocol-of-a-randomized-controlled-trial-of-the-safety-and-efficacy-of-dabigatran-etexilate-versus-dose-adjusted-warfarin-in-patients-with-cerebral-venous-thrombosis
#5
José M Ferro, Francesco Dentali, Jonathan M Coutinho, Adam Kobayashi, Jorge Caria, Marc Desch, Mandy Fraessdorf, Holger Huisman, Hans-Christoph Diener
Rationale To prevent recurrent venous thrombotic events after acute cerebral venous or dural sinus thrombosis, guidelines recommend long-term oral anticoagulation with vitamin K antagonists. Non-vitamin K oral anticoagulant experience in cerebral venous or dural sinus thrombosis is limited to case reports and series. Aim To compare dabigatran with dose-adjusted warfarin in patients with cerebral venous or dural sinus thrombosis for the prevention of recurrent venous thrombotic event. Sample size One hundred and twenty patients...
January 1, 2018: International Journal of Stroke: Official Journal of the International Stroke Society
https://www.readbyqxmd.com/read/29774181/embolization-with-ethylene-vinyl-alcohol-copolymer-onyx-%C3%A2-for-peripheral-hemostatic-and-non-hemostatic-applications-a-feasibility-and-safety-study
#6
Romaric Né, Olivier Chevallier, Nicolas Falvo, Olivier Facy, Pierre-Emmanuel Berthod, Christophe Galland, Sophie Gehin, Marco Midulla, Romaric Loffroy
Background: Onyx® is a liquid embolic agent, which is approved for the treatment of cerebral vascular lesions but still rarely used in peripheral interventional radiology. The goal of this study is to report the feasibility and safety of embolization with Onyx® for peripheral hemostatic and non-hemostatic endovascular procedures. Methods: Retrospective study of all consecutive patients who underwent visceral or peripheral embolization with Onyx® for hemostatic or non-hemostatic purpose in our department between May 2014 and November 2016...
April 2018: Quantitative Imaging in Medicine and Surgery
https://www.readbyqxmd.com/read/29772320/predictive-factors-of-silent-brain-infarcts-after-asymptomatic-carotid-endarteriectomy
#7
Rémy Pascot, Benjamin Parat, Yann Le Teurnier, Gilles Godet, Jean-Yves Gauvrit, Yann Gouëffic, Eric Steinmetz, Alain Cardon, Adrien Kaladji
BACKGROUND: The optimization of medical treatment regularly challenges the role of carotid surgery for asymptomatic patients. Current research seeks to determine which of these patients will benefit most from surgery. The goal of this study was to identify in a multi-center study, using MRI, the risk factors for postoperative silent cerebral ischemic lesions after carotid surgery for asymptomatic stenosis METHODS: The multicenter, retrospective study included patients with asymptomatic severe carotid stenosis suitable for surgical treatment and who did not have a history of cerebral ischemia...
May 14, 2018: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/29770122/acute-unilateral-audiovestibulopathy-due-to-embolic-labyrinthine-infarction
#8
Zhong Liqun, Kee-Hong Park, Hyo-Jung Kim, Sun-Uk Lee, Jeong-Yoon Choi, Ji-Soo Kim
Introduction: Labyrinthine infarction is a cause of acute audiovestibulopathy, but can be diagnosed only in association with other infarctions involving the brainstem or cerebellar areas supplied by the anterior inferior cerebellar artery (AICA) since current imaging techniques cannot visualize an infarction confined to the labyrinth. This case series aimed to establish embolic labyrinthine infarction as a mechanism of isolated acute audiovestibulopathy. Methods: We analyzed clinical features, imaging findings, and mechanisms of embolism in 10 patients (8 men, age range: 38-76) who had developed acute audiovestibulopathy in association with an obvious source of embolism and concurrent acute embolic infarctions in the non-anterior inferior cerebellar artery territories...
2018: Frontiers in Neurology
https://www.readbyqxmd.com/read/29768962/successful-thrombectomy-in-endocarditis-related-stroke-case-report-and-review-of-the-literature
#9
Manuel Bolognese, Alexander von Hessling, Martin Müller
Neurological complications of infective endocarditis are frequent, especially ischaemic strokes. As intravenous thrombolysis in infective endocarditis-related ischaemic stroke has a controversial benefit/risk ratio, alternative treatment regimens have to be considered. We present the case of a young patient with septic embolism of the middle cerebral artery who was successfully treated with mechanical thrombectomy, and give a short review of the existing literature.
January 1, 2018: Interventional Neuroradiology
https://www.readbyqxmd.com/read/29768961/a-rare-case-of-ruptured-aneurysm-of-the-paramedian-artery-of-percheron
#10
Gianvincenzo Sparacia, Francesco Agnello, Massimo Midiri, Alberto Iaia
Introduction The artery of Percheron is a rare anatomic variant supplying bilateral medial thalamic nuclei and a variable portion of the rostral part of midbrain. Case report A 48-year-old female with massive subarachnoid hemorrhage due to a ruptured aneurysm of the paramedian artery of Percheron presented to the emergency room. Because of significant risk of recurrent intracranial hemorrhage, it was decided to proceed with endovascular embolization of the aneurysm. The patient was ultimately sent to a rehabilitation center and her presenting neurologic deficits showed significant improvements in the weeks following endovascular embolization treatment...
January 1, 2018: Interventional Neuroradiology
https://www.readbyqxmd.com/read/29766772/rivaroxaban-for-stroke-prevention-after-embolic-stroke-of-undetermined-source
#11
Robert G Hart, Mukul Sharma, Hardi Mundl, Scott E Kasner, Shrikant I Bangdiwala, Scott D Berkowitz, Balakumar Swaminathan, Pablo Lavados, Yongjun Wang, Yilong Wang, Antonio Davalos, Nikolay Shamalov, Robert Mikulik, Luis Cunha, Arne Lindgren, Antonio Arauz, Wilfried Lang, Anna Czlonkowska, Jens Eckstein, Rubens J Gagliardi, Pierre Amarenco, Sebastian F Ameriso, Turgut Tatlisumak, Roland Veltkamp, Graeme J Hankey, Danilo Toni, Daniel Bereczki, Shinichiro Uchiyama, George Ntaios, Byung-Woo Yoon, Raf Brouns, Matthias Endres, Keith W Muir, Natan Bornstein, Serefnur Ozturk, Martin J O'Donnell, Matthys M De Vries Basson, Guillaume Pare, Calin Pater, Bodo Kirsch, Patrick Sheridan, Gary Peters, Jeffrey I Weitz, W Frank Peacock, Ashkan Shoamanesh, Oscar R Benavente, Campbell Joyner, Ellison Themeles, Stuart J Connolly
Background Embolic strokes of undetermined source represent 20% of ischemic strokes and are associated with a high rate of recurrence. Anticoagulant treatment with rivaroxaban, an oral factor Xa inhibitor, may result in a lower risk of recurrent stroke than aspirin. Methods We compared the efficacy and safety of rivaroxaban (at a daily dose of 15 mg) with aspirin (at a daily dose of 100 mg) for the prevention of recurrent stroke in patients with recent ischemic stroke that was presumed to be from cerebral embolism but without arterial stenosis, lacune, or an identified cardioembolic source...
May 16, 2018: New England Journal of Medicine
https://www.readbyqxmd.com/read/29765397/lvis-jr-device-for-y-stent-assisted-coil-embolization-of-wide-neck-intracranial-aneurysms-a-multicenter-experience
#12
Edgar A Samaniego, Aldo A Mendez, Thanh N Nguyen, Vladimir Kalousek, Waldo R Guerrero, Sudeepta Dandapat, Guilherme Dabus, Italo Linfante, Ameer E Hassan, Alexander Drofa, Evgueni Kouznetsov, David Leedahl, David Hasan, Alberto Maud, Santiago Ortega-Gutierrez
Background and Purpose: Complex wide-neck intracranial aneurysms are challenging to treat. We report a multicenter experience using the LVIS Jr stent for "Y-stent"-assisted coiling embolization of wide-neck bifurcation aneurysms. Methods: Seven centers provided retrospective data on patients who underwent Y-stenting. Technical complications, immediate posttreatment angiographic results, clinical outcomes, and imaging follow-up were assessed. Results: Thirty patients/aneurysms were treated: 15 basilar tip, 8 middle cerebral artery, 4 anterior communicating artery, 1 pericallosal, and 2 posterior inferior cerebellar artery aneurysms...
April 2018: Interventional Neurology
https://www.readbyqxmd.com/read/29765395/progressive-neurological-decline-with-deep-bilateral-imaging-changes-a-protean-presentation-of-dural-arteriovenous-fistulae
#13
Rene A Colorado, Marcelo Matiello, Hyun-Sik Yang, James D Rabinov, Aman Patel, Joshua A Hirsch, Ram Chavali, Thabele M Leslie-Mazwi
Intracranial dural arteriovenous fistulae (DAVF) within the deep cerebral vasculature are diagnostically challenging because of their variable clinical presentation and typical bilateral neuroimaging findings mimicking inflammatory, infectious, and metabolic processes. Increasingly, reports have emerged highlighting the diagnostic and treatment challenges of these lesions and their associated high morbidity and rapid clinical deterioration when untreated. We describe here a case series of 4 patients with deep cerebral DAVF who presented with impaired arousal or memory and behavioral changes...
April 2018: Interventional Neurology
https://www.readbyqxmd.com/read/29765391/abciximab-reopro-dosing-strategy-for-the-management-of-acute-intraprocedural-thromboembolic-complications-during-pipeline-flow-diversion-treatment-of-intracranial-aneurysms
#14
Li-Mei Lin, Bowen Jiang, Jessica K Campos, Narlin B Beaty, Matthew T Bender, Rafael J Tamargo, Judy Huang, Geoffrey P Colby, Alexander L Coon
Background: Flow diversion with the Pipeline embolization device (PED) is an effective neuro-endovascular method and increasingly accepted for the treatment of cerebral aneurysms. Acute in situ thrombosis is a known complication of PED procedures. There is limited experience in the flow diversion literature on the use of abciximab (ReoPro) for the management of acute thrombus formation in PED cases. Methods: Data were collected retrospectively on patients who received intra-arterial (IA) ReoPro with or without subsequent intravenous (IV) infusion during PED flow diversion treatment of intracranial aneurysms...
April 2018: Interventional Neurology
https://www.readbyqxmd.com/read/29764034/-application-of-low-profile-visualized-intraluminal-support-lvis-stents-in-assisting-coil-embolization-of-intracranial-aneurysms
#15
D C Xu, J Li, Z Q Jiang
Objective: To evaluate the safety and effectiveness of application of LVIS stent-assisted coiling endovascular procedures in cerebral aneurysms . Methods: The clinical data of 41 patients with intracranial aneurysms , which were performed in LVIS stent-assisted coiling endovascular therapies from June 2015 to October 2017 in The First Affiliated Hospital of Bengbu Medical College were analyzed retrospectively. 13 patients were unruptured and 28 patients were ruptured. Immediate angiography outcomes and follow-up angiography outcomes were assessed by DSA...
May 8, 2018: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/29753899/co-adjuvant-treatment-of-vasospasm-in-ruptured-unsecured-cerebral-aneurysms-with-aggressive-angioplasty-intra-arterial-nimodipine-and-aneurysm-embolization
#16
Ching-Chang Chen, Alvin Yi-Chou Wang, Chun-Ting Chen, Po-Chuan Hsieh
BACKGROUND: Vasospasm is a major cause of morbidity and mortality in patients following aneurysmal subarachnoid hemorrhage (SAH). Although early treatment of ruptured aneurysms is advocated, delayed intervention complicates the treatment strategy and leading to significant vasospasm and a poor prognosis. We report our experience of endovascular protocol for occlusion of the unsecured aneurysm and angioplasty for vasospasm in a single session. METHODS: A total of 24 cases with significant vasospasm and unsecured ruptured cerebral aneurysm were reviewed among 660 aneurysmal SAH patients between January 2011 and May 2017...
May 10, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29751190/preoperative-embolization-of-skull-base-meningiomas-outcomes-in-the-onyx-era
#17
Colin J Przybylowski, Jacob F Baranoski, Alfred P See, Bruno C Flores, Rami O Almefty, Dale Ding, Kristina M Chapple, Nader Sanai, Andrew F Ducruet, Felipe C Albuquerque
OBJECTIVE: Preoperative embolization may facilitate skull base meningioma resection, but its safety and efficacy in the Onyx era have not been investigated. In this retrospective cohort study, we evaluated the outcomes of preoperative embolization of skull base meningiomas using Onyx as the primary embolysate. METHODS: We queried an endovascular database for patients with skull base meningiomas who underwent preoperative embolization at our institution in 2007-2017...
May 8, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29751188/reversible-cerebral-vasoconstriction-syndrome-as-an-unusual-complication-of-a-dural-arteriovenous-fistula-treated-with-onyx-embolization
#18
Douglas Gonsales, Fabiano das Gracas, Roberta Santos, Pedro Aguilar-Salinas, Ricardo A Hanel
BACKGROUND: Reversible cerebral vasoconstriction syndrome (RCVS) is a rare entity with an unknown pathophysiology. RCVS has been reported to occur more frequently in women aged 20 to 50 years. Several mechanisms have been postulated involving transient deregulation of cerebral arterial tone, small vessel endothelial dysfunction, biochemical factors, hormonal deregulation, oxidative stress, and genetic predisposition. All these mechanisms and triggers are related with sympathetic over-activation which eventually produce vasoconstriction...
May 8, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29750055/noncommunicable-disease-and-multimorbidity-in-young-adults-with-cerebral-palsy
#19
Daniel G Whitney, Edward A Hurvitz, Jennifer M Ryan, Maureen J Devlin, Michelle S Caird, Zachary P French, Elie C Ellenberg, Mark D Peterson
Purpose: Individuals with cerebral palsy (CP) are at increased risk for frailty and chronic disease due to factors experienced throughout the lifespan, such as excessive sedentary behaviors and malnutrition. However, little is known about noncommunicable diseases (NCDs) and multimorbidity profiles in young adults with CP. The study objective was to compare NCD and multimorbidity profiles between young adults with and without CP. Methods: A clinic-based sample of adults (18-30 years) with (n=452) and without (n=448) CP was examined at the University of Michigan Medical Center...
2018: Clinical Epidemiology
https://www.readbyqxmd.com/read/29747705/retrograde-cerebral-venous-air-embolism-on-susceptibility-weighted-imaging
#20
Yunsup Hwang, Young-Joo Kim
No abstract text is available yet for this article.
May 11, 2018: Canadian Journal of Neurological Sciences. le Journal Canadien des Sciences Neurologiques
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