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Journal of Neuroradiology. Journal de Neuroradiologie

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https://www.readbyqxmd.com/read/28602499/susceptibility-weighted-angiography-and-diffusion-weighted-imaging-in-posterior-reversible-encephalopathy-syndrome-is-there-an-association-between-hemorrhage-cytotoxic-edema-blood-pressure-and-imaging-severity
#1
Shivaprakash Basavanthaiah Hiremath, Amol Anantrao Gautam, Shilpa Anil, Reji Thomas, Geena Benjamin
PURPOSE: To assess the significance of association and possible correlation between hemorrhage, cytotoxic edema, blood pressure and imaging severity in posterior reversible encephalopathy syndrome (PRES). MATERIALS AND METHODS: This retrospective study included the medical and imaging records of 35 consecutive patients with PRES. The clinical data analysis included the highest recorded blood pressure (BP) on the day of the ictus, MRI including spin-echo echo planar diffusion-weighted imaging (DWI), susceptibility weighted angiography (SWAN) and conventional sequences...
June 8, 2017: Journal of Neuroradiology. Journal de Neuroradiologie
https://www.readbyqxmd.com/read/28602498/risk-factors-for-angiographic-recurrence-after-treatment-of-unruptured-intracranial-aneurysms-outcomes-from-a-series-of-178-unruptured-aneurysms-treated-by-regular-coiling-or-surgery
#2
REVIEW
Anne-Laure Bernat, Frédéric Clarençon, Arthur André, Aurélien Nouet, Stéphane Clémenceau, Nader-Antoine Sourour, Federico Di Maria, Vincent Degos, Jean-Louis Golmard, Philippe Cornu, Anne-Laure Boch
BACKGROUND: Long-term stability after intracranial aneurysm exclusion by coiling is still a matter of debate; after surgical clipping little is known. OBJECTIVE: To study outcome after endovascular and surgical treatments for unruptured intracranial aneurysms in terms of short- and long-term angiographic exclusion and risk factors for recanalization. METHODS: From 2004 and 2009, patients treated for unruptured berry intracranial aneurysms by coiling or clipping were reviewed...
June 8, 2017: Journal of Neuroradiology. Journal de Neuroradiologie
https://www.readbyqxmd.com/read/28602497/anatomical-localization-of-the-cavernous-sinus-dural-fistula-by-3d-rotational-angiography-with-emphasis-on-clinical-and-therapeutic-implications
#3
Santhosh Kumar Kannath, Jayadevan Enakshy Rajan, Sankara P Sarma
BACKGROUND AND PURPOSE: Carotid cavernous sinus dural arteriovenous fistulas (CSDAVFs) are presumed to be located within the walls of the cavernous sinus, however the exact fistulous site has not yet been studied by angiographic or anatomical methods. The present study aimed to localize CSDAVFs with the help of 3D rotational angiography (RA) and correlated the observations with clinical and angiographic findings. MATERIALS AND METHODS: The CSDAVFs were categorized as dural, extradural or osseous based on the site of convergence of feeders into the venous sac...
June 8, 2017: Journal of Neuroradiology. Journal de Neuroradiologie
https://www.readbyqxmd.com/read/28579039/total-mismatch-of-diffusion-weighted-imaging-and-susceptibility-weighted-imaging-in-patients-with-acute-cerebral-ischemia
#4
Min-Gyu Park, Jeong A Yeom, Seung Kug Baik, Kyung-Pil Park
BACKGROUND AND PURPOSE: Multiple hypointense vessels (MHV) on susceptibility-weighted imaging (SWI) is associated with an increased oxygen demand in acute cerebral ischemia. Occasionally, some patients exhibit extensive MHV on SWI despite of negative diffusion-weighted imaging (DWI), which is a phenomenon called total mismatch DWI-SWI. We analyzed the clinical characteristics and imaging findings in patients with the total DWI-SWI mismatch. MATERIALS AND METHODS: We selected patients with total DWI-SWI mismatch who underwent MRI within 12hours from onset...
May 31, 2017: Journal of Neuroradiology. Journal de Neuroradiologie
https://www.readbyqxmd.com/read/28551022/the-relationship-between-post-traumatic-ossicular-injuries-and-conductive-hearing-loss-a-3d-ct-study
#5
Olivier Maillot, Arnaud Attyé, Claire Boutet, Kamel Boubagra, Romain Perolat, Marion Zanolla, Sylvie Grand, Sébastien Schmerber, Alexandre Krainik
PURPOSE: After a trauma, the conductive ossicular chain may be disrupted by ossicular luxation or fracture. Recent developments in 3D-CT allow a better understanding of ossicular injuries. In this retrospective study, we compared patients with post-traumatic conductive hearing loss (CHL) with those referred without CHL to evaluate the relationship between ossicular injuries and CHL. We also assessed the added value of 3D reconstructions on 2D-CT scan to detect ossicular lesions in patients surgically managed...
May 24, 2017: Journal of Neuroradiology. Journal de Neuroradiologie
https://www.readbyqxmd.com/read/28478114/mri-quantitative-t2-mapping-on-thrombus-to-predict-recanalization-after-endovascular-treatment-for-acute-anterior-ischemic-stroke
#6
R Bourcier, N Brecheteau, V Costalat, B Daumas-Duport, B Guyomarch-Delasalle, H Desal, O Naggara, J M Serfaty
BACKGROUND: In anterior acute ischemic stroke (AAIS) treated with endovascular treatment (EVT), the susceptibility vessel sign (SVS+ or SVS-) is related to recanalization results (TICI 2b/3) and clinical outcome. However, a binary qualitative assessment of thrombus using SVS does not reflect its complex composition. Our aim was to assess whether a quantitative MRI marker, Thrombus-T2* relaxation time, may be assessable in clinical routine and may to predict early successful recanalization after EVT, defined as a TICI 2b/3 recanalization obtained in 2 attempts or less...
May 3, 2017: Journal of Neuroradiology. Journal de Neuroradiologie
https://www.readbyqxmd.com/read/28478113/randomize-the-first-patient
#7
Jean Raymond, Robert Fahed, Tim E Darsaut
BACKGROUND: When to proceed with a randomized trial (RCT) that tests the merits of innovative treatments has been controversial. Tom Chalmers proposed that we should randomize the first patient. METHODS: We examine various scenarios and compare hypothetical results of early and delayed RCTs and case series. Then we review potential reasons why Chalmers' idea has not yet been widely applied. RESULTS: Case series of innovative treatments followed by delayed RCTs put many more patients at risk of a poor outcome...
May 3, 2017: Journal of Neuroradiology. Journal de Neuroradiologie
https://www.readbyqxmd.com/read/28478112/a-computational-fluid-dynamics-cfd-study-of-web-treated-aneurysms-can-cfd-predict-web-compression-during-follow-up
#8
Jildaz Caroff, Cristian Mihalea, Valerio Da Ros, Takanobu Yagi, Marta Iacobucci, Léon Ikka, Jacques Moret, Laurent Spelle
BACKGROUND: Recent reports have revealed a worsening of aneurysm occlusion between WEB treatment baseline and angiographic follow-up due to "compression" of the device. OBJECTIVE: We utilized computational fluid dynamics (CFD) in order to determine whether the underlying mechanism of this worsening is flow related. METHODS: We included data from all consecutive patients treated in our institution with a WEB for unruptured aneurysms located either at the middle cerebral artery or basilar tip...
May 3, 2017: Journal of Neuroradiology. Journal de Neuroradiologie
https://www.readbyqxmd.com/read/28454722/suprasellar-atypical-teratoid-rhabdoid-tumor
#9
LETTER
Diogo Goulart Corrêa, Simone Rachid de Souza, Nina Ventura, Aline Helen Camacho, Leila Chimelli, Emerson Leandro Gasparetto
No abstract text is available yet for this article.
April 25, 2017: Journal of Neuroradiology. Journal de Neuroradiologie
https://www.readbyqxmd.com/read/28454721/the-treatment-of-brain-arteriovenous-malformation-study-tobas-a-preliminary-inter-and-intra-rater-agreement-study-on-patient-management
#10
Robert Fahed, André L Batista, Tim E Darsaut, Jean-Christophe Gentric, Célina Ducroux, Chiraz Chaalala, David Roberge, Michel W Bojanowski, Alain Weill, Daniel Roy, Elsa Magro, Jean Raymond
OBJECT: The best management of brain arteriovenous malformation (bAVM) patients remains unknown. Randomized allocation may be more readily accepted when there is uncertainty and disagreement regarding the management of potential participants. In planning for a trial, we aimed to assess variability and agreement among physicians managing bAVM patients. METHODS: A portfolio composed of 35 patients was sent to 47 clinicians of various specialties managing bAVM patients...
April 25, 2017: Journal of Neuroradiology. Journal de Neuroradiologie
https://www.readbyqxmd.com/read/28434772/neurointerventional-staffing-the-next-frontier
#11
EDITORIAL
Karl-Olof Lövblad, Laurie Bouchez, Amine M Korchi, Zsolt Kulcsar
No abstract text is available yet for this article.
April 20, 2017: Journal of Neuroradiology. Journal de Neuroradiologie
https://www.readbyqxmd.com/read/28411967/utility-of-relative-adc-ratio-in-patient-selection-for-endovascular-revascularization-of-large-vessel-occlusion
#12
Narihide Shinoda, Shinya Hori, Kazuyuki Mikami, Toshiaki Bando, Daisuke Shimo, Takahiro Kuroyama, Yoji Kuramoto, Masato Matsumoto, Osamu Hirai, Yasushi Ueno
PURPOSE: The relative apparent diffusion coefficient (ADC) ratio on magnetic resonance imaging (MRI) can be used to evaluate the degree of ischemia. Here, we assessed the predictability of ischemic reversibility and the risk of hemorrhagic transformation using the relative ADC ratio. METHODS: This single-center retrospective study analyzed 56 patients with acute occlusion of the internal carotid artery (ICA) or the middle cerebral artery (M1) with endovascular revascularization...
April 12, 2017: Journal of Neuroradiology. Journal de Neuroradiologie
https://www.readbyqxmd.com/read/28215716/validation-of-a-quantitative-susceptibility-mapping-acquisition-and-reconstruction-pipeline-using-a-new-iron-sucrose-based-mr-susceptibility-phantom
#13
Jeremy Deverdun, François Molino, Nicolas Menjot de Champfleur, Emmanuelle Le Bars
PURPOSE: Quantitative susceptibility mapping is a new technique and its processing pipeline has to be validated before clinical practice. We described an easy to build magnetic resonance (MR) susceptibility phantom based on iron sucrose. MATERIALS AND METHODS: In a plastic container, Eppendorf tubes containing increasing iron sucrose concentration ranging from 0 to 60μg Fe/mL were inserted in an agarose gel. To estimate susceptibility, multiple coronal gradient echo acquisitions were performed with varying angle of the phantom relative to the B0 field, ranging from 30 to 90°...
July 2017: Journal of Neuroradiology. Journal de Neuroradiologie
https://www.readbyqxmd.com/read/28187866/the-effects-of-statin-therapy-on-carotid-plaque-composition-and-volume-a-systematic-review-and-meta-analysis
#14
Waleed Brinjikji, Vance T Lehman, David F Kallmes, Alejandro A Rabinstein, Giuseppe Lanzino, Mohammad H Murad, Sharon Mulvagh, James Klaas, Jonathan Graff-Radford, Kevin J DeMarco, John Huston Iii
BACKGROUND AND PURPOSE: Prior studies have demonstrated that statin use stabilizes and diminishes atherosclerotic lesions. The main objective of this systematic review and meta-analysis was to study the effects of statin therapy on carotid plaque composition as seen on serial high-resolution carotid plaque MRI. We hypothesized that statin therapy would result in significant improvements in lipid-rich-necrotic-core (LRNC) volumes, wall volumes and lumen volumes. MATERIALS AND METHODS: Prospective studies using serial high-resolution carotid plaque MRI (1...
July 2017: Journal of Neuroradiology. Journal de Neuroradiologie
https://www.readbyqxmd.com/read/28249747/the-association-between-collateral-status-recanalization-and-long-term-outcome-in-stroke-patients-treated-with-stent-retrievers-are-there-indications-not-to-perform-thrombectomy-based-on-ct-angiography
#15
Hannes Nordmeyer, Nadine Webering, Rene Chapot, Jeffrie Hadisurya, Markus Heddier, Paul Stracke, Klaus Berger, Stefan Isenmann, Ralph Weber
BACKGROUND AND PURPOSE: To investigate the association between baseline pial collateral status on computed tomography angiography (CTA) with recanalization and functional outcome in patients with acute anterior circulation stroke treated with stent retriever thrombectomy. MATERIAL AND METHODS: Retrospective analysis of 87 patients from a prospective thrombectomy registry. Collateral status on CTA source images was categorized into good, moderate, and poor with the Tan and Miteff scores by two-blinded readers...
June 2017: Journal of Neuroradiology. Journal de Neuroradiologie
https://www.readbyqxmd.com/read/28341000/arterial-spin-labeling-perfusion-imaging-of-children-with-subdural-hemorrhage-perfusion-abnormalities-in-abusive-head-trauma
#16
Alex Mun-Ching Wong, Chih-Hua Yeh, Ho-Ling Liu, Tai-Wei Wu, Kuang-Lin Lin, Huei-Shyong Wang, Cheng-Hong Toh
BACKGROUND AND PURPOSE: Perfusion abnormalities have not been well described in children with subdural hemorrhage (SDH). We investigated whether patients with abusive head trauma (AHT+) had more perfusion abnormalities than those without (AHT-). MATERIALS AND METHODS: We reviewed the perfusion MR studies of 12 infants with SDH and 21 controls. The perfusion images were obtained using a pseudo-continuous arterial spin-labeling sequence with volumetric fast spin-echo readout...
March 21, 2017: Journal of Neuroradiology. Journal de Neuroradiologie
https://www.readbyqxmd.com/read/28340999/emergent-vs-elective-stenting-of-carotid-stenosis-with-intraluminal-carotid-thrombus
#17
Martin Hlavica, Jatta Berberat, Benjamin Victor Ineichen, Javier Añon, Michael Diepers, Krassen Nedeltchev, Timo Kahles, Luca Remonda
BACKGROUND AND PURPOSE: Carotid stenosis (CS) with intraluminal carotid artery thrombus (ICAT) is rare but ominous finding. The optimal treatment modality is unclear. The aim of this study was to analyze the feasibility and outcome of acute endovascular intervention and delayed elective endovascular therapy after initial anticoagulation in these delicate cases. Moreover, both treatment points were compared and several parameters discussed to facilitate the determination of the optimal time modality in future cases...
March 21, 2017: Journal of Neuroradiology. Journal de Neuroradiologie
https://www.readbyqxmd.com/read/28262374/should-indications-for-web-aneurysm-treatment-be-enlarged-report-of-a-series-of-20%C3%A2-patients-with-aneurysms-in-atypical-locations-for-web-treatment
#18
L Pierot, A Biondi, A-P Narata, C Mihalea, A-C Januel, G Metaxas, R Bibi, J Caroff, S Soize, C Cognard, L Spelle, D Herbreteau
BACKGROUND AND PURPOSE: Flow disruption with the WEB device is an innovative technique for the endovascular treatment of wide neck bifurcation aneurysms. Good clinical practice trials have shown high safety of this treatment with good efficacy. Technical developments (single layer devices and smaller microcatheters) facilitate the treatment, potentially leading to enlargement of indications. This series is collecting aneurysms in "atypical" locations for WEB treatment and analyzing safety and efficacy of this treatment...
March 2, 2017: Journal of Neuroradiology. Journal de Neuroradiologie
https://www.readbyqxmd.com/read/28168991/intracranial-stenting-after-the-wingspan-withdrawal-in-france-clinical-experience-using-a-low-profile-coronary-stent
#19
LETTER
Cyril Dargazanli, Daniel Mantilla, Ulrike Wiesspeiner, Xavier Ayrignac, Vincent Costalat
No abstract text is available yet for this article.
March 2017: Journal of Neuroradiology. Journal de Neuroradiologie
https://www.readbyqxmd.com/read/28162787/serial-mri-images-of-an-unusual-presentation-of-anti-gad-encephalitis-a-new-pattern
#20
LETTER
Anastasia Bougea, Vasiliki Zouvelou, Georgios Velonakis, Michail Rentzos
No abstract text is available yet for this article.
March 2017: Journal of Neuroradiology. Journal de Neuroradiologie
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