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Interventional neuroradiology

A Wufuer, P Mijiti, R Abudusalamu, H Dengfeng, C Jian, M Jianhua, Z Xiaoning
BACKGROUND: This study aimed to evaluate the effect of different blood pressure (BP) parameters on the collateral circulation in a retrospective cohort of patients with acute ischemic stroke and ipsilateral internal carotid artery (ICA) occlusion. METHODS: The degree of intracranial collaterals was graded according to the American Society of Interventional and Therapeutic Neuroradiology/Society of Interventional Radiology (ASITN/SIR) Collateral Flow Grading System...
March 20, 2018: Herz
Won-Sang Cho, Jeong Eun Kim, Sukh Que Park, Jun Kyeung Ko, Dae-Won Kim, Jung Cheol Park, Je Young Yeon, Seung Young Chung, Joonho Chung, Sung-Pil Joo, Gyojun Hwang, Deog Young Kim, Won Hyuk Chang, Kyu-Sun Choi, Sung Ho Lee, Seung Hun Sheen, Hyun-Seung Kang, Byung Moon Kim, Hee-Joon Bae, Chang Wan Oh, Hyeon Seon Park
Despite advancements in treating ruptured cerebral aneurysms, an aneurysmal subarachnoid hemorrhage (aSAH) is still a grave cerebrovascular disease associated with a high rate of morbidity and mortality. Based on the literature published to date, worldwide academic and governmental committees have developed clinical practice guidelines (CPGs) to propose standards for disease management in order to achieve the best treatment outcomes for aSAHs. In 2013, the Korean Society of Cerebrovascular Surgeons issued a Korean version of the CPGs for aSAHs...
March 2018: Journal of Korean Neurosurgical Society
Omid Nikoubashman, Kolja Schürmann, Ahmed E Othman, Jan-Philipp Bach, Martin Wiesmann, Arno Reich
Background and Purpose: With the advent of endovascular stroke treatment (EST) with mechanical thrombectomy, stroke treatment has also become more challenging. Purpose of this study was to investigate whether a fulltime neuroradiological on-site service and workflow optimization with a structured documentation of the interdisciplinary stroke workflow resulted in improved procedural times. Material and Methods: Procedural times of 322 consecutive patients, who received EST (1) before ( n = 96) and (2) after ( n = 126) establishing a 24-hour neuroradiological on-site service as well as (3) after implementation of a structured interdisciplinary workflow documentation ("Stroke Check") ( n = 100), were analysed...
2018: BioMed Research International
(no author information available yet)
No abstract text is available yet for this article.
March 2018: Interventional Neuroradiology
Dima Hamideh, Mary Ellen Hoehn, Julie H Harreld, Paul D Klimo, Amar Gajjar, Ibrahim Qaddoumi
Isolated optic nerve glioma is a rare tumor with no consensus for the best therapeutic approach. Therefore, tumor control and preservation of visual function remain a challenge. In this retrospective study, we describe our experience over 30 years in a single-institutional cohort of children with isolated optic nerve glioma, focusing on treatments and visual outcomes. Seventeen children were followed for a median period of 8 years (range, 2-22 years). Diagnosis was based on typical neuroradiologic findings, and 3 patients had histologic confirmation of their tumors...
January 1, 2018: Journal of Child Neurology
Masahiro Oishi, Yasuhiko Hayashi, Yasuo Sasagawa, Daisuke Kita, Osamu Tachibana, Mitsutoshi Nakada
OBJECTIVES: It is well-known that Rathke's cleft cysts (RCCs) infrequently cause headache, endocrinological dysfunction, and visual disturbance, and in rare cases, cause diabetes insipidus (DI). Although surgical evacuation of the cyst content can result in high rates of symptomatic improvement, not only the treatment efficacy but also the pathophysiology of DI with RCC are undetermined. The aim of this study is to elucidate the underlying mechanisms and outcomes of DI associated with RCCs...
February 21, 2018: Clinical Neurology and Neurosurgery
Alexander H Nave, Anna Kufner, Philipp Bücke, Eberhard Siebert, Stefan Kliesch, Ulrike Grittner, Hansjörg Bäzner, Thomas Liebig, Matthias Endres, Jochen B Fiebach, Christian H Nolte, Martin Ebinger, Hans Henkes
BACKGROUND AND PURPOSE: Fluid-attenuated inversion recovery hyperintense vessels (FHV) are frequently observed on magnetic resonance imaging in acute stroke patients with proximal vessel occlusion. Whether FHV can serve as a surrogate for the collateral status and predict functional outcome of patients is still a matter of debate. METHODS: Acute ischemic stroke patients with M1-middle cerebral artery occlusion who received magnetic resonance imaging before endovascular treatment in 3 hospitals in Germany between January 2007 and June 2016 were eligible...
March 2018: Stroke; a Journal of Cerebral Circulation
Dong Wang, Xiao-Mei Sun, Jin Wu
RATIONALE: Cavernous sinus-carotid fistula (CCF) is a rare complication of craniofacial injuries in patients receiving oral and maxillofacial surgical care. PATIENT CONCERNS: A retrospective review of 15 patients with CCF records was conducted. In addition, we present a rare case of a 32-year-old Chinese woman with CCF receiving oral and maxillofacial surgical care. DIAGNOSES: Digital subtraction angiography (DSA) confirmed a diagnosis of CCF...
December 2017: Medicine (Baltimore)
Laurent Pierot, Laurent Spelle, Jérôme Berge, Anne-Christine Januel, Denis Herbreteau, Mohamed Aggour, Michel Piotin, Alessandra Biondi, Xavier Barreau, Charbel Mounayer, Chrisanthi Papagiannaki, Jean-Paul Lejeune, Jean-Yves Gauvrit, Vincent Costalat
BACKGROUND AND PURPOSE: Flow diverters are increasingly used for the treatment of intracranial aneurysms. Evaluation of the first devices available for clinical use showed high efficacy of this treatment although safety results were worse compared with coiling or balloon-assisted coiling. The Safety and Efficacy Analysis of FRED Embolic Device in Aneurysm Treatment (SAFE) trial is a single-arm, multicenter, prospective study conducted to precisely analyze the safety and efficacy of the FRED and FRED Jr devices...
January 19, 2018: Journal of Neurointerventional Surgery
Daniel Duran, Philipp Karschnia, Jonathan R Gaillard, Jason K Karimy, Mark W Youngblood, Michael L DiLuna, Charles C Matouk, Beverly Aagaard-Kienitz, Edward R Smith, Darren B Orbach, Georges Rodesch, Alejandro Berenstein, Murat Gunel, Kristopher T Kahle
Vein of Galen malformations (VOGMs) are rare developmental cerebrovascular lesions characterized by fistulas between the choroidal circulation and the median prosencephalic vein. Although the treatment of VOGMs has greatly benefited from advances in endovascular therapy, including technical innovation in interventional neuroradiology, many patients are recalcitrant to procedural intervention or lack accessibility to specialized care centers, highlighting the need for improved screening, diagnostics, and therapeutics...
January 19, 2018: Journal of Neurosurgery. Pediatrics
Jona Joachim, Fabrice Vallée, Arthur Le Gall, Joaquim Matéo, Stéphanie Lenck, Sandrine Millasseau, Emmanuel Houdart, Alexandre Mebazaa, Etienne Gayat
VPloop, the graphical representation of pressure versus velocity, and its characteristic angles, GALA and β, can be used to monitor cardiac afterload during anesthesia. Ideally VPloop should be measured from pressure and velocity obtained at the same arterial location but standard of care usually provide either radial or femoral pressure waveforms. The purpose of this study was to look at the influence of arterial sites and the use of a transfer function (TF) on VPloop and its related angles. Invasive pressure signals were recorded in 25 patients undergoing neuroradiology intervention under general anesthesia with transesophageal flow velocity monitoring...
November 29, 2017: Journal of Clinical Monitoring and Computing
Yongkun Li, Yunyun Xiong, Qiankun Cai, Dezhi Liu, Qiliang Dai, Wenhua Liu, Zhixin Huang, Wen Sun, David S Liebeskind, Yinzhou Wang, Xinfeng Liu
BACKGROUND AND AIMS: We aimed to introduce a parameter of anterior borderzone angle (ABZA) to quantitatively evaluate the ACA-MCA leptomeningeal collaterals for middle cerebral artery stenosis (MCAS). METHODS: Two hundred seventy-five patients with 50-100% MCAS and 100 controls were included. The 95% reference range of ABZA was obtained from the controls. ABZAtrans was defined as "ABZA/the 95% upper limit." Relationships between ABZA and MCAS, -ABZAtrans and the TICI grade, the American Society of Interventional and Therapeutic Neuroradiology/Society of Interventional Radiology (ASITN/SIR) collateral grade were analyzed...
November 23, 2017: European Neurology
Mohamed Wael Osman, Krzysztof Kadziolka, Laurent Peirot
BACKGROUND: Posterior cerebral artery aneurysms are uncommon, with an occurrence rate of less than 1% of intracranial aneurysms. They have various shapes, including saccular and fusiform. Dissecting aneurysms may occur in distal posterior cerebral artery and they may affect the whole artery. Endovascular therapy is considered as a safe method of treatment and there are different techniques for endovascular therapy. SUMMARY: Posterior cerebral artery aneurysms are uncommon...
October 2017: Interventional Neurology
Diana Quiñones Tapia, Antonio Castellaccio, Francisco Gilo Arrojo, Ana Herrera Muñoz, Juan Viaño, Buenaventura Anciones, Eliseo Vañó
We note that the following data error was published in regard to patient numbers in the Results section 1.
November 4, 2017: Neuroradiology
Ange Diouf, Robert Fahed, Mehdi Gaha, Miguel Chagnon, Naïm Khoury, Marc Kotowski, François Guilbert, David Landry, Jean Raymond, Daniel Roy, Alain Weill
Purpose To evaluate the diagnostic accuracy and reliability of computed tomographic (CT) angiography to distinguish true cervical internal carotid artery (ICA) occlusion from pseudo-occlusion (defined as an isolated intracranial thrombus that impedes ascending blood flow) in the context of acute stroke. Materials and Methods This was a retrospective study of patients who underwent thrombectomy with preprocedural CT angiography that helps to demonstrate a lack of attenuation in the cervical ICA on the symptomatic side (24 men and 13 women; mean age, 63 years; age range, 30-86 years)...
October 25, 2017: Radiology
Peter Landwehr, Peter Reimer, Arno Bücker, Ansgar Berlis, Werner Weber
No abstract text is available yet for this article.
October 2017: VASA. Zeitschrift Für Gefässkrankheiten
Kavitha Ranganathan, Antonio Rampazzo, Asra Hashmi, Karin Muraszko, Jennifer Strahle, Christian J Vercler, Steven R Buchman
BACKGROUND: The necessity of imaging for patients with craniosynostosis is controversial. Lambdoid synostosis is known to be associated with additional anomalies, but the role of imaging in this setting has not been established. The purpose of this study was to evaluate the impact of preoperative imaging on intraoperative and postoperative management among patients undergoing operative intervention for lambdoid craniosynostosis. METHODS: A retrospective review of patients undergoing cranial vault remodeling for lambdoid craniosynostosis between January 2006 and 2014 was conducted...
October 16, 2017: Journal of Craniofacial Surgery
(no author information available yet)
No abstract text is available yet for this article.
October 2017: Interventional Neuroradiology
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