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Neuroradiology interventional

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https://www.readbyqxmd.com/read/28726260/three-year-experience-with-interventional-neuroradiology-for-management-of-cerebral-aneurysms-at-a-single-australian-centre
#1
Aden McLaughlin, Hal Rice, Laetitia de Viliers, Teresa Withers, David Pearson, Moira Arnell, Kerin Walters, Sarah Czuchwicki, Andrew Bulmer, James Winearls
INTRODUCTION: Over the last decade interventional neuroradiology (NR) has become the mainstay of managing cerebral aneurysms. The aim of our study was to review our growing experiences with interventional NR and quantify morbidity and mortality associated with these procedures. METHODS: The electronic medical records of all patients admitted to the Gold Coast (University) Hospital Intensive Care Unit following subarachnoid haemorrhage (SAH) or elective interventional NR management of cerebral aneurysms between January 2012 and December 2014 were retrieved...
July 20, 2017: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/28722300/digital-subtraction-angiography-dynavision-in-pretreatment-planning-for-embolization-of-dural-arterio-venous-fistulas
#2
Alex Botsford, Jai Jai Shiva Shankar
BACKGROUND AND PURPOSE: We have found DSA-Dynavision with multiplanar reconstruction very helpful in understanding the complex anatomy and planning of treatment of carotico-cavernous fistulas. The purpose of our study was to examine whether using DSA-Dynavision in pretreatment planning results in better outcome after endovascular treatment of dural arterio-venous fistulas (dAVFs). METHODS: Patients with dAVF treated with endovascular embolization were retrospectively identified from our interventional neuroradiology database...
July 19, 2017: Journal of Neuroimaging: Official Journal of the American Society of Neuroimaging
https://www.readbyqxmd.com/read/28707434/utility-of-digital-subtraction-angiography-based-collateral-evaluation-in-medically-treated-acute-symptomatic-basilar-artery-stenosis
#3
W-J Lee, K-H Jung, Y J Ryu, J-M Kim, S-T Lee, K Chu, M Kim, S K Lee, J-K Roh
BACKGROUND AND PURPOSE: Although a stroke from atherosclerosis in the basilar artery (BA) often presents with mild initial stroke severity, it has heterogeneous clinical courses. We investigated the efficacy of digital subtraction angiography (DSA)-based collateral perfusion evaluation in association with long-term outcomes of medically treated symptomatic basilar artery stenosis. METHODS: From a registry database of all consecutive patients with stroke, we included 98 medically treated patients (due to mild initial stroke severity) [National Institute of Health Stroke Scale (NIHSS) scores ≤ 4; symptomatic basilar artery stenosis, 70-99%] with available initial diagnostic DSA...
July 14, 2017: European Journal of Neurology: the Official Journal of the European Federation of Neurological Societies
https://www.readbyqxmd.com/read/28706764/neuroradiological-endovascular-intervention-for-diplopia-in-a-case-of-aneurysmal-aberrant-regeneration-of-the-third-nerve
#4
Anupam C A Rao, Saumil A Shah, Benjamin W C Sim, Steven T H Yun, Neeranjali S Jain, Yashar Kalani, Ian C Francis
Aberrant regeneration of the third nerve occurs as a result of synkinetic 'miswiring' of the third nerve following its injury, such as in third cranial nerve palsy due to tumor, trauma, or aneurysm. The case presented is an elderly woman with new vertical diplopia, which led to a diagnosis of a third cranial nerve palsy, thought to be caused by a 5 mm blister aneurysm of the posterior communicating artery. However, neuro-ophthalmological evaluation diagnosed aberrant regeneration of the third nerve, with the cause of her new vertical diplopia being an ipsilateral fourth nerve palsy...
June 12, 2017: Curēus
https://www.readbyqxmd.com/read/28706116/training-standards-in-neuroendovascular-surgery-program-accreditation-and-practitioner-certification
#5
REVIEW
Arthur L Day, Adnan H Siddiqui, Philip M Meyers, Tudor G Jovin, Colin P Derdeyn, Brian L Hoh, Howard Riina, Italo Linfante, Osama Zaidat, Aquilla Turk, Jay U Howington, J Mocco, Andrew J Ringer, Erol Veznedaroglu, Alexander A Khalessi, Elad I Levy, Henry Woo, Robert Harbaugh, Steven Giannotta
BACKGROUND AND PURPOSE: Neuroendovascular surgery is a medical subspecialty that uses minimally invasive catheter-based technology and radiological imaging to diagnose and treat diseases of the central nervous system, head, neck, spine, and their vasculature. To perform these procedures, the practitioner needs an extensive knowledge of the anatomy of the nervous system, vasculature, and pathological conditions that affect their physiology. A working knowledge of radiation biology and safety is essential...
July 13, 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/28697713/an-update-of-the-italian-stroke-organization-stroke-prevention-awareness-diffusion-group-guidelines-on-carotid-endarterectomy-and-stenting-a-personalized-medicine-approach
#6
Gaetano Lanza, Carlo Setacci, Stefano Ricci, Patrizio Castelli, Alberto Cremonesi, Jessica Lanza, Claudio Novali, Carlo Pratesi, Paola Santalucia, Francesco Speziale, Augusto Zaninelli, Gian Franco Gensini
Although proof-based medicine has generated much valid evidence for the drawing up of guidelines and recommendations for best clinical practice in symptomatic and asymptomatic carotid stenosis, whether and when it is better to employ endarterectomy or stenting as the intervention of choice still remain matters of debate. Moreover, guidelines have been targeted up to now to the 'representative' patient, as resulting from the statistical analyses of the studies conducted on the safety and efficacy of both interventions as well as on medical therapy alone...
July 2017: International Journal of Stroke: Official Journal of the International Stroke Society
https://www.readbyqxmd.com/read/28684458/influence-of-carotid-siphon-anatomy-on-brain-aneurysm-presentation
#7
E Waihrich, P Clavel, G A C Mendes, C Iosif, I Moraes Kessler, C Mounayer
BACKGROUND AND PURPOSE: Intracranial aneurysm is a devastating disease of complex etiology that is not fully understood. The purpose of this study was to assess the implications of carotid siphon anatomy for the formation and development of intracranial aneurysms. MATERIALS AND METHODS: Between January 2007 and May 2015, lateral view digital subtraction angiographic images of 692 consecutive patients with intracranial aneurysms treated in our department of interventional neuroradiology were reviewed and had their angles measured...
July 6, 2017: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/28678215/intercorrelations-of-morphology-with-hemodynamics-in-intracranial-aneurysms-in-computational-fluid-dynamics
#8
Tianlun Qiu, Guoliang Jin, Wuqiao Bao, Haitao Lu
OBJECTIVE: To measure morphological indices and wall shear stress (WSS) of aneurysms and parent artery surface in order to explore the relationship of morphological characteristics and WSS. METHODS: Data from 47 events of consecutive cerebral saccular aneurysms from 39 patients which were referred to the interventional Neuroradiology service of the Shaoxing People`s Hospital, Shaoxing, China between 2014 April and 2015 August. Wall shear stress and wall pressure (WP) of the pre-aneurysm, aneurysm and near vessel (<1...
July 2017: Neurosciences: the Official Journal of the Pan Arab Union of Neurological Sciences
https://www.readbyqxmd.com/read/28673776/private-practice-radiologist-subspecialty-classification-using-medicare-claims
#9
Andrew B Rosenkrantz, Wenyi Wang, Sudheshna Bodapati, Danny R Hughes, Richard Duszak
PURPOSE: The aim of this study was to assess both existing Medicare provider code assignments and a new claims-based system for subspecialty classification of private practice radiologists. METHODS: Websites of the 100 largest US radiology private practices were used to identify 1,476 radiologists self-identified with a single subspecialty ([1] abdominal, [2] breast, [3] cardiothoracic, or [4] musculoskeletal imaging; [5] nuclear medicine; [6] interventional radiology; [7] neuroradiology)...
June 30, 2017: Journal of the American College of Radiology: JACR
https://www.readbyqxmd.com/read/28662600/risk-factors-for-vasovagal-reaction-associated-with-cerebral-angiography-via-femoral-catheterisation
#10
Yunna Yang, Zhenhai Zhang, Tong Li, Zheng Gu, Yongquan Sun
Objective To analyse the related risk factors for vasovagal reaction associated with cerebral angiography via femoral catheterisation and discuss treatment measures and prevention and control methods. Methods The data of 3107 patients on whom cerebral angiography was performed in two high-volume interventional neuroradiology centres within 8 years were retrospectively analysed. Patients were divided into the vasovagal reaction and non-vasovagal reaction groups according to whether vasovagal reaction developed...
January 1, 2017: Interventional Neuroradiology
https://www.readbyqxmd.com/read/28660798/the-philosophy-of-unity-of-knowledge-and-action-in-interventional-neuroradiology-teaching
#11
Xianli Lv, Zhongxue Wu
Despite the continuing emphasis on the importance of clinical skills, these skills do not appear to be improving and may actually be declining. The 'unity of knowledge and action' is a medicine directed precisely at this disease. The 'unity of knowledge and action' helps to learn from failure and successes, learn from mistakes of predecessors and institute a behaviour that prevents repetition of these mistakes.
January 1, 2017: Neuroradiology Journal
https://www.readbyqxmd.com/read/28623378/carotid-stenting-in-neuroradiology-a%C3%A2-short-journey-from-the-past-to-current-debates
#12
REVIEW
Joachim Berkefeld, Marlies Wagner, Richard du Mesnil
After a period of stagnation due to negative results of randomized trials for patients with symptomatic stenosis, the relevance of carotid artery stenting (CAS) is increasing again. CAS has become an important and evidence-based part of interventional stroke treatment. Our ability to manage acute recanalization of carotid occlusions and other niche indications properly led some skeptical neurologists to trust in carotid intervention for elective cases as well. The evolution of CAS from initial euphoria to more realistic views under consideration of trial results and guidelines is reviewed...
June 16, 2017: Clinical Neuroradiology
https://www.readbyqxmd.com/read/28583044/acquired-intracranial-arterial-aneurysm-and-stroke-after-vessel-dissection-in-a-child-with-coarctation-of-the-aorta
#13
Andrea Donti, Luca Spinardi, Roberto Formigari, Maria Elisabetta Mariucci, Gabriele Egidy Assenza, Marco Pastore Trossello, Marco Bonvicini
Vascular events in patients with coarctation of the aorta have been extensively reported and account for the majority of morbidity and mortality in untreated patients. The exact mechanism for this association is not completely understood and may include acquired anomalies or congenital abnormalities of intracranial vessel. Here we report a case of intracranial internal carotid artery dissection with subsequent formation of acquired large carotid aneurysm in a child with severe systemic hypertension and coarctation of the aorta...
January 1, 2017: Interventional Neuroradiology
https://www.readbyqxmd.com/read/28576436/cta-in-acute-stroke-short-intensive-training-intervention-is-highly-effective-in-improving-radiologists-performance
#14
E A Cora, G A Ford, D Flynn, P Gonsalves, P White
AIM: To determine whether focussed radiology training in reporting stroke computed tomography angiography (CTA) improved diagnostic performance of general radiology specialty trainees staffing regional on call rotas. MATERIALS AND METHODS: A validated case archive (VCA) consisting of 50 hyperacute stroke CTA cases was developed for a full day course on CTA interpretation. Training days were organised ensuring all local trainees had a chance to attend. The rate of major and minor amendments by neuroradiology consultants were reviewed in 252 on-call radiology trainee reports...
May 30, 2017: Clinical Radiology
https://www.readbyqxmd.com/read/28526977/standards-of-practice-in-interventional-neuroradiology
#15
Olav Jansen, Istvan Szikora, Francesco Causin, Hartmut Brückmann, Kyriakos Lobotesis
The growing importance of INR has resulted in the need to define and promote professional standards of clinical practice. Several professional organizations have published guidelines recently for the neurointerventional treatment of cerebrovascular diseases, including technical and personal recommendations, but detailed definitions of technical and organizational conditions needed for the safe and effective performance of such treatments are lacking. To fill this gap ESNR, ESMINT and the UEMS Division for Neuroradiology established a working group, to develop a consensus paper on "Standards of Practice in Interventional Neuroradiology"...
June 2017: Neuroradiology
https://www.readbyqxmd.com/read/28515372/spinal-arteriovenous-shunts-angioarchitecture-and-historical-changes-in-classification
#16
Keisuke Takai
The purposes of this study were to review historical changes in the classification of spinal arteriovenous (AV) shunts and to propose a practical classification system. The associated literature regarding the classification of spinal AV shunts was reviewed in the angiography era between 1967 and 2015. The classification systems of spinal AV shunts and a proposed classification system were presented with neuroradiological imaging and medical illustrations. There have been seven major classification systems based on the evolution of diagnostic methods as well as treatments for spinal AV shunts: the first description of spinal AV shunts diagnosed and classified using spinal angiography in 1971; the second classification based on a case report of intradural direct perimedullary arteriovenous fistulas (AVFs) treated by microsurgery in 1987; the third classification based on a case series of intradural perimedullary AVFs treated by endovascular interventions in 1993; the fourth and fifth classification systems based on a case series of spinal AVFs and arteriovenous malformations (AVMs) treated by microsurgery or endovascular interventions in 2002; the sixth classification based on a case series of cranio-spinal dural AV shunts in 2009; and the seventh classification based on a case series of extradural AVFs treated by microsurgery and endovascular interventions in 2011...
May 18, 2017: Neurologia Medico-chirurgica
https://www.readbyqxmd.com/read/28501423/teratoma-of-the-nervous-system-a-case-series
#17
Hussein Algahtani, Bader Shirah, Ahad Abdullah, Abdulrahman Bazaid
Teratoma is a common form of germ cell tumors composed of multiple tissues foreign to the site in which arise with a histological representation of all three germ cell layers. Intracranial teratomas are very rare. In this study, we report three cases of intracranial teratomas with an interesting clinical course, neuroradiology, and outcome. In addition, we review the literature and convey important messages to the neuroscience community regarding issues related to the management of these rare tumors. The present cases are interesting examples of intracranial teratoma in terms of location of the tumor and neuroimaging findings...
May 10, 2017: Neurocirugía
https://www.readbyqxmd.com/read/28492296/italian-consensus-in-neuroradiological-anaesthesia-icona-managing-anaesthesia-during-endovascular-procedures
#18
Carlo A Castioni, Andrea Amadori, Federico Bilotta, Moreno Bolzon, Edoardo Barboni, Anselmo Caricato, Guido Dall'acqua, Francesco DI Paola, Andrea Forastieri Molinari, Paolo Gritti, Italia LA Rosa, Marcello Longo, Carla Maglione, Pietro Martorano, Marina Munari, Valerio Perotti, Frank Rasulo, Maria Ruggiero, Antonio Santoro, Luigia Scudeller, Miriam Tumolo, Anna T Mazzeo
Anaesthetic management of patients undergoing endovascular procedures for treating intracranial aneurysms or cerebrovascular malformations must consider a number of specific challenges, in addition to those associated with anaesthesia for other specialties. In addition to maintenance of physiological stability, manipulation of systemic and cerebral haemodynamic parameters may be required to treat any sudden unexpected catastrophic neurological events. A multidisciplinary group including neuro- and pediatric anaesthesiologists, interventional neuroradiologists, neurosurgeons, and a clinical methodologist contributed to this document...
May 11, 2017: Minerva Anestesiologica
https://www.readbyqxmd.com/read/28473319/clinical-utility-of-magnetic-resonance-imaging-in-first-episode-psychosis
#19
Irina Falkenberg, Stefania Benetti, Marie Raffin, Phillipe Wuyts, William Pettersson-Yeo, Paola Dazzan, Kevin D Morgan, Robin M Murray, Tiago Reis Marques, Anthony S David, Jozef Jarosz, Andrew Simmons, Steve Williams, Philip McGuire
BackgroundThere is no consensus as to whether magnetic resonance imaging (MRI) should be used as part of the initial clinical evaluation of patients with first-episode psychosis (FEP).Aims(a) To assess the logistical feasibility of routine MRI; (b) to define the clinical significance of radiological abnormalities in patients with FEP.MethodRadiological reports from MRI scans of two FEP samples were reviewed; one comprised 108 patients and 98 healthy controls recruited to a research study and the other comprised 241 patients scanned at initial clinical presentation plus 66 healthy controls...
May 4, 2017: British Journal of Psychiatry: the Journal of Mental Science
https://www.readbyqxmd.com/read/28470385/the-metopic-sagittal-craniosynostosis-report-of-35-operative-cases
#20
Takeyoshi Shimoji, Takaoki Kimura, Kazuaki Shimoji, Masakazu Miyajima
PURPOSE: We have diagnosed 35 cases of the supposedly rare condition metopic-sagittal synostosis in the past 20 years. Here, we introduce their clinical symptoms, neuroradiological findings, and surgical treatment methods, as well as discuss the relevant literature. METHODS: Subjects included 35 patients (33 boys and 2 girls; mean age 4.2 years; range 1-8 years). Magnetic resonance imaging (MRI) confirmed that there were no abnormal findings in the brain. Thirty patients presented with symptoms including speech delay, hyperactivity, autistic tendency, motor impairment, self-mutilation, and panic/temper tantrum behaviors...
May 3, 2017: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
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