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Clinical Neuroradiology

Seung Chai Jung, Ho Sung Kim, Choong-Gon Choi, Sang Joon Kim, Sun U Kwon, Dong-Wha Kang, Jong S Kim
PURPOSE: The aim of this article is to present high-resolution magnetic resonance imaging (HR-MRI) findings of chronic stage spontaneous and unruptured intracranial artery dissection (ICAD). MATERIAL AND METHODS: From March 2012 to April 2016 a total of 29 patients (15 male and14 female, age range 37-68 years) with chronic stage spontaneous and unruptured ICAD (vertebral artery 27, posterior inferior cerebellar artery 1 and middle cerebral artery 1) were retrospectively enrolled...
September 27, 2016: Clinical Neuroradiology
C Herweh, S Nagel, J Pfaff, C Ulfert, M Wolf, M Bendszus, M Möhlenbruch
INTRODUCTION: Stent-assisted coiling of wide-necked intracranial aneurysms has become an established treatment and has significantly benefited from the introduction of compliant, self-expanding devices, such as the Enterprise VRD (EP-VRD). We report our experiences with the successor model, the Enterprise2 (EP2) stent in stent-assisted coiling as well as in the treatment of atherosclerotic stenosis. MATERIALS AND METHODS: In 11 consecutive patients 12 EP2 were used to treat 9 intracranial aneurysms and 2 stenoses...
September 27, 2016: Clinical Neuroradiology
Tanja Schneider, Tobias Mahraun, Julian Schroeder, Andreas Frölich, Philip Hoelter, Marlies Wagner, Jean Darcourt, Christophe Cognard, Alain Bonafé, Jens Fiehler, Susanne Siemonsen, Jan-Hendrik Buhk
PURPOSE: The presence of intraparenchymal hyperattenuations (IPH) on flat-panel computed tomography (FP-CT) after endovascular recanalization in stroke patients is a common phenomenon. They are thought to occur in ischemic areas with breakdown of the blood-brain barrier but previous studies that investigated a mutual interaction are scarce. We aimed to assess the relationship of IPH localization with prethrombectomy diffusion-weighted imaging (DWI) lesions. METHODS: This retrospective multicenter study included 27 acute stroke patients who underwent DWI prior to FP-CT following mechanical thrombectomy...
September 16, 2016: Clinical Neuroradiology
C Ulfert, J Pfaff, S Schönenberger, J Bösel, C Herweh, M Pham, M Bendszus, M Möhlenbruch
PURPOSE: A variety of devices for treatment of wide-necked bifurcation aneurysms are emerging. Here we report our results using the new pCONus device with special emphasis on the morphological and anatomical requirements for successful implantation. METHODS: In this study we treated 21 patients with 22 aneurysms by endovascular interventions. After providing informed consent, patients were included according to the following criteria: aneurysm dome to neck ratio <2 or neck diameter >4 mm...
September 16, 2016: Clinical Neuroradiology
Ji Eun Park, Hae-Won Koo, Hairi Liu, Seung Chul Jung, Danbi Park, Dae Chul Suh
PURPOSE: Spinal arteriovenous malformations (SAVMs) are rare events. This study evaluated initial clinical presentations and treatment outcomes of SAVMs. METHODS: In this study, 91 consecutive patients with SAVM between January 1993 and November 2014 were evaluated. Initial clinical presentations, radiological findings, treatment results, and follow-up outcomes were evaluated according to disease type and treatment modalities. Patient status was scored using the modified Rankin scale (mRS) and Aminoff-Logue Disability scale (ALS)...
September 13, 2016: Clinical Neuroradiology
P Bhogal, M AlMatter, M Aguilar, I Nakagawa, O Ganslandt, H Bäzner, H Henkes
No abstract text is available yet for this article.
September 12, 2016: Clinical Neuroradiology
Martin Bendszus, Götz Thomalla, Werner Hacke, Michael Knauth, Christian Gerloff, Susanne Bonekamp, Jens Fiehler
No abstract text is available yet for this article.
September 5, 2016: Clinical Neuroradiology
Janhavi Modak, Xianyuan Song, Pasquale Finelli, Avinash Prasad
No abstract text is available yet for this article.
August 24, 2016: Clinical Neuroradiology
Johannes Kaesmacher, Justus F Kleine
BACKGROUND: Recent studies suggested that preinterventional intravenous (i. v.) recombinant tissue plasminogen activator (rtPA) as bridging therapy facilitates successful and fast vessel recanalization in endovascular stroke treatment (EST); however, data on this effect and the associated clinical value are discrepant. OBJECTIVE: This study examined if this discrepancy could be related to an effect-modifying variable, specifically to the exact occlusion site. METHODS: Retrospective analysis of 239 patients with acute occlusion of the middle cerebral artery (MCA) treated with up to date endovascular techniques...
August 19, 2016: Clinical Neuroradiology
Joanna D Schaafsma, Ferdinand Hui, Dolora Wisco, Susan M Staugaitis, Ken Uchino, Elizabeth Kouzmitcheva, Cheryl Jaigobin, Lili-Naz Hazrati, David J Mikulis, Daniel M Mandell
No abstract text is available yet for this article.
August 16, 2016: Clinical Neuroradiology
Batuhan Kara, Hatem Hakan Selcuk, Omer Yıldız, Damla Cetinkaya
No abstract text is available yet for this article.
August 10, 2016: Clinical Neuroradiology
Felipe Padovani Trivelato, Luciano Bambini Manzato, Paulo Moacir Mesquita Filho, Alexandre Cordeiro Ulhôa, José Ricardo Vanzin, Daniel Giansante Abud, Marco Túlio Salles Rezende
INTRODUCTION: The authors present a retrospective series of their clinical experience in the treatment of cavernous dural arteriovenous fistulas (DAVF) by direct transorbital puncture of the cavernous sinus as an alternative to the endovascular approach. METHODS: Between October 2012 and September 2014, eight patients harboring cavernous DAVF underwent percutaneous treatment by direct transorbital puncture of the cavernous sinus at three institutions. All patients presented with ocular symptoms...
August 9, 2016: Clinical Neuroradiology
Ilko L Maier, André Karch, Christina Lipke, Daniel Behme, Anastasios Mpotsaris, Christoph Kabbasch, Thomas Liebig, Andrea Faymonville, Arno Reich, Omid Nikoubashman, Jan-Hendrik Buhk, Patrick von Schoenfeld, Werner Weber, Rafael T Mikolajczyk, Mathias Bähr, Michael Knauth, Kai Kallenberg, Jan Liman
PURPOSE: Two recent randomized controlled trials (RCT) consistently showed superiority of aggressive medical treatment versus percutaneous transluminal angioplasty and stenting (PTAS) in patients with intracranial artery stenosis. Patients with symptomatic basilar stenosis have a higher long-term risk of recurrent stroke compared to patients with anterior circulation stenosis but no study has specifically focused on the role of PTAS in this subgroup. The aim of our study was to investigate the subgroup of patients with symptomatic basilar artery stenosis to find evidence for the feasibility of a future clinical trial...
August 9, 2016: Clinical Neuroradiology
Sebastian Brandner, Michael Buchfelder, Ilker Y Eyuepoglu, Hannes Luecking, Arnd Doerfler, Andreas Stadlbauer
PURPOSE: The aim of this study was to evaluate timed-resolved three-dimensional (3D) magnetic resonance (MR) velocity mapping as a method for investigation of cerebrospinal fluid (CSF) flow changes in patients with aqueductal stenosis (AS) treated by endoscopic third ventriculostomy (ETV). METHODS: The MR velocity mapping was performed in 12 AS patients before and after ETV and in 10 healthy volunteers by using a 3-Tesla MR system. Time-resolved 3D MR velocity mapping data were acquired with a standard 3D phase contrast (PC) sequence with cardiac triggering...
August 8, 2016: Clinical Neuroradiology
C A Taschner, O Staszewski, P Reinacher, H Urbach, C P Simon-Gabriel, M Prinz
No abstract text is available yet for this article.
September 2016: Clinical Neuroradiology
László Solymosi
No abstract text is available yet for this article.
September 2016: Clinical Neuroradiology
(no author information available yet)
No abstract text is available yet for this article.
September 2016: Clinical Neuroradiology
T Demerath, M Reinhard, S Elsheikh, A Keuler, H Urbach, S Meckel
No abstract text is available yet for this article.
September 2016: Clinical Neuroradiology
W-Z Zhou, G H Yang, S C Jung, D H Lee
No abstract text is available yet for this article.
September 2016: Clinical Neuroradiology
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