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Intracranial stenting

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https://www.readbyqxmd.com/read/27935482/dural-sinus-stenting-for-idiopathic-intracranial-hypertension-factors-associated-with-hemodynamic-failure-and-management-with-extended-stenting
#1
David A Kumpe, Joshua Seinfeld, Xianchen Huang, Quelin Mei, David E Case, Christopher D Roark, Prem S Subramanian, Kimberly E Lind, Victoria S Pelak, Jeffrey L Bennett
BACKGROUND: Some patients undergoing dural sinus stenting for idiopathic intracranial hypertension (IIH) develop clinical and hemodynamic failure (recurrence of the pressure gradient) owing to stent-adjacent stenosis. OBJECTIVE: To characterize factors associated with hemodynamic failure, and to describe outcomes of patients after repeat stenting. MATERIALS AND METHODS: We reviewed the initial and follow-up clinical, venographic, and hemodynamic data in 39 patients with IIH treated over 17 years with stenting...
November 8, 2016: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/27920207/vascular-angular-remodeling-by-kissing-y-stenting-in-wide-necked-intracranial-bifurcation-aneurysms
#2
Katharina Melber, Dan Meila, Philipp Draheim, Dominik Grieb, Björn Greling, Martin Schlunz-Hendann, Friedhelm Brassel
INTRODUCTION: Single stent deployment leads to a change in vascular geometry in wide necked bifurcation aneurysms. In some complex cases, the use of the single stent technique might not be sufficient or may not be feasible. The kissing-Y stenting technique appears to be an alternative endovascular treatment option. The aim of this study was to evaluate the effects of the kissing-Y stenting technique on vascular angular remodeling. METHODS: 21 patients with wide necked intracranial bifurcation aneurysms at different sites (10 anterior communicating artery, 6 middle cerebral artery, 3 basilar artery, 1 vertebral artery/posterior inferior cerebellar artery, 1 internal carotid artery/posterior communicating artery) were treated with 44 closed cell stents (follow-up 2012-2016) using the kissing-Y stenting technique...
December 5, 2016: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/27913802/combined-use-of-a-pconus-and-a-solitaire-stent-report-of-two-cases
#3
Pervinder Bhogal, Marta Aguilar Pérez, Rosa Martinez Moreno, Marcin Miś, Maciej Miś, Hans Henkes
OBJECTIVE: The aim of this study was to report our initial experience of the use of the pCONus neck protection device in conjunction with the Solitaire AB stent to assist in the endovascular management of complex intracranial aneurysms with arteries arising from both the neck and the dome of the aneurysm. METHODS: Two patients with unruptured aneurysms underwent elective endovascular management of their aneurysms, one arising from the middle cerebral artery bifurcation and one from the anterior communicating artery...
December 2, 2016: Interventional Neuroradiology
https://www.readbyqxmd.com/read/27910096/de-novo-migraine-with-aura-after-surgical-repair-of-aortic-coarctation
#4
Yuji Kato, Takeshi Hayashi, Toshiki Kobayashi, Ayumu Masuoka, Tetsuya Abe, Takahiro Hasebe, Norio Tanahashi, Masaki Takao
Coarctation of the aorta (CoA) is reported to be associated with an increased risk for migraine. We describe here the case of a 13-year-old female patient who presented migraine with aura after surgical repair of CoA with a stent. As possible reasons for her condition, we postulate host responses to stent placement and/or disturbed cerebral autoregulation related to intracranial hypertension before the surgical repair and hypotension afterward, leading to hypoperfusion. This case demonstrates that de novo migraine with aura can occur after surgical repair of CoA and should be recognized as a potential complication...
December 2, 2016: Headache
https://www.readbyqxmd.com/read/27906117/carotid-artery-stenting-versus-no-stenting-assisting-thrombectomy-for-acute-ischaemic-stroke-protocol-for-a-systematic-review-of-randomised-clinical-trials-with-meta-analyses-and-trial-sequential-analyses
#5
Henrik Steglich-Arnholm, Markus Holtmannspötter, Christian Gluud, Derk Wolfgang Krieger
BACKGROUND: In patients with intracranial large vessel arterial occlusion, ipsilateral extracranial carotid artery occlusions or near-occlusions pose a significant hurdle in endovascular management of acute ischaemic stroke. Stenting of the carotid lesion may be beneficial in this situation to provide a stable access for introducing catheters through the carotid lesion into the intracranial vasculature and the target occlusion. Furthermore, carotid stenting may ensure ample blood flow for wash-out of clot material and reperfusion of the ischaemic penumbral tissue...
December 1, 2016: Systematic Reviews
https://www.readbyqxmd.com/read/27899519/initial-clinical-experience-using-the-two-stage-aspiration-technique-tsat-with-proximal-flow-arrest-by-a-balloon-guiding-catheter-for-acute-ischemic-stroke-of-the-anterior-circulation
#6
Hiroyuki Matsumoto, Hirokazu Nishiyama, Yoshiaki Tetsuo, Hideki Takemoto, Naoyuki Nakao
BACKGROUND: Our initial experience using the two-stage aspiration technique (TSAT) with proximal flow arrest by a balloon guiding catheter is presented. In TSAT, aspiration is applied with the 5MAX ACE and also with the 3MAX catheter with a Penumbra aspiration pump, while arresting proximal flow by balloon inflation. METHODS: In patients treated with TSAT, clinical data including National Institutes of Health Stroke Scale (NIHSS) score at admission and the modified Rankin Scale (mRS) score at discharge, as well as procedural data including the Thrombolysis in Cerebral Infarction (TICI) score, procedural time, and complications were analyzed...
November 29, 2016: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/27896361/intracranial-stenting-in-germany-the-reimbursement-decision-has-been-made-but-the-scientific-debate-continues
#7
EDITORIAL
Bernd Eckert
No abstract text is available yet for this article.
December 2016: Clinical Neuroradiology
https://www.readbyqxmd.com/read/27890754/endovascular-treatment-of-spontaneous-intracranial-fusiform-and-dissecting-aneurysms-outcomes-related-to-imaging-classification-of-309-cases
#8
Yisen Zhang, Zhongbin Tian, Binbin Sui, Yang Wang, Jian Liu, Miao Li, Youxiang Li, Chuhan Jiang, Xinjian Yang
OBJECTIVE: This study aimed to propose a modified classification of spontaneous intracranial dissecting aneurysms (IDAs) and to guide the treatment for IDAs. METHODS: Between January 2010 and December 2015, 3183 consecutive patients were referred to our department for endovascular treatment of a cerebral aneurysm and 309 patients harboring 323 spontaneous IDAs were identified from them. Based on a modified imaging classification, spontaneous IDAs were classified into four subtypes: classic dissecting aneurysm, segmental ectasia, dolichoectatic dissecting aneurysm, and large mural bleeding ectasia...
November 24, 2016: World Neurosurgery
https://www.readbyqxmd.com/read/27886896/venous-sinus-stenting-for-idiopathic-intracranial-hypertension-where-are-we-now
#9
REVIEW
Marc J Dinkin, Athos Patsalides
Idiopathic intracranial hypertension causes headache, papilledema and visual field loss, typically in obese women of childbearing age. Its anatomical underpinnings remain unclear, but a stenosis at the junction of the transverse and sigmoid sinuses has been recognized in the majority of patients through venography. The stenosis may result from intrinsic dural sinus anatomy or extrinsic compression by increased intracranial pressure, but in either case, its stenting has been shown to lead to an improvement in symptoms of intracranial hypertension and papilledema in multiple retrospective, non-controlled studies...
February 2017: Neurologic Clinics
https://www.readbyqxmd.com/read/27867477/hyperbaric-oxygen-therapy-in-experimental-and-clinical-stroke
#10
REVIEW
Wei-Wei Zhai, Liang Sun, Zheng-Quan Yu, Gang Chen
Stroke, which is defined as a neurologic deficit caused by sudden impaired blood supply, has been considered as a common cause of death and disability for decades. The World Health Organization has declared that almost every 5 seconds a new stroke occurs, placing immense socioeconomic burdens. However, the effective and available treatment strategies are still limited. Additionally, the most effective therapy, such as thrombolysis and stenting for ischemic stroke, generally requires a narrow therapeutic time window after the event...
April 2016: Medical Gas Research
https://www.readbyqxmd.com/read/27856650/endovascular-stroke-therapy-may-be-safe-in-patients-with-elevated-international-normalized-ratio
#11
Sibu Mundiyanapurath, Anne Tillmann, Markus Alfred Möhlenbruch, Martin Bendszus, Peter Arthur Ringleb
INTRODUCTION: Endovascular therapy in acute ischemic stroke is safe and efficient. However, patients receiving oral anticoagulation were excluded in the larger trials. OBJECTIVE: To analyze the safety of endovascular therapy in patients with acute ischemic stroke and elevated international normalized ratio (INR) values. METHODS: Retrospective database review of a tertiary care university hospital for patients with anterior circulation stroke treated with endovascular therapy...
November 17, 2016: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/27856649/the-barrel-stent-new-treatment-option-for-stent-assisted-coiling-of-wide-necked-bifurcation-aneurysms-results-of-a-single-center-study
#12
Ruben Mühl-Benninghaus, Andreas Simgen, Wolfgang Reith, Umut Yilmaz
PURPOSE: The Barrel stent is a laser cut stent designed for stent-assisted coil embolization of wide-necked bifurcation or branch aneurysms with a single device, with the purpose of lowering the metal-to-artery ratio and its inherent risk of thromboembolic complications of multiple stents. We report our early experiences with this device in 17 patients in this retrospective single-center analysis. MATERIALS AND METHODS: 17 consecutive patients who underwent stent-assisted coil embolization of wide-necked bifurcation aneurysms with the Barrel stent were retrospectively identified...
November 17, 2016: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/27856436/diffusion-weighted-imaging-detected-ischemic-lesions-following-endovascular-treatment-of-cerebral-aneurysms-a-systematic-review-and-meta-analysis
#13
K M Bond, W Brinjikji, M H Murad, D F Kallmes, H J Cloft, G Lanzino
BACKGROUND AND PURPOSE: Endovascular treatment of intracranial aneurysms is associated with the risk of thromboembolic ischemic complications. Many of these events are asymptomatic and identified only on diffusion-weighted imaging. We performed a systematic review and meta-analysis to study the incidence of DWI positive for thromboembolic events following endovascular treatment of intracranial aneurysms. MATERIALS AND METHODS: A comprehensive literature search identified studies published between 2000 and April 2016 that reported postprocedural DWI findings in patients undergoing endovascular treatment of intracranial aneurysms...
November 17, 2016: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/27856383/the-woven-endobridge-web-device-for-treatment-of-intracranial-aneurysms-a-systematic-review
#14
REVIEW
I S Muskens, J T Senders, H H Dasenbrock, T R S Smith, M L D Broekman
INTRODUCTION: The WovenEndobridge (WEB) device is an innovative endovascular device for treatment of intracranial aneurysms, especially bifurcation and wide-neck aneurysms. Although not FDA approved, it has been available in Europe since 2011. The aim of this review is to evaluate the outcomes of WEB device use for intracranial aneurysm treatment. METHODS: A systematic review was conducted with MEDLINE search engines PubMed and Embase from 2011. The search strategy provided 6229 articles, and 19 articles were included...
November 14, 2016: World Neurosurgery
https://www.readbyqxmd.com/read/27852711/angioplasty-and-stenting-for-patients-with-symptomatic-intracranial-atherosclerosis-study-protocol-of-a-randomised-controlled-trial
#15
Xiao-Ping Cui, Min Lin, Jun-Shan Mu, Jian-Xin Ye, Wen-Qing He, Mao-Lin Fu, Hua Li, Jia-Yang Fang, Feng-Feng Shen, Hang Lin
INTRODUCTION: Whether adding percutaneous transluminal angioplasty and stenting (PTAS) to background medical treatment is effective for decreasing the incidence of stroke or death in patients with symptomatic intracranial atherosclerosis (ICAS) is still controversial. We perform a randomised controlled trial to examine the effectiveness and safety of an improved PTAS procedure for patients with ICAS. METHODS AND ANALYSIS: A randomised controlled trial will be conducted in three hospitals in China...
November 15, 2016: BMJ Open
https://www.readbyqxmd.com/read/27847769/clinical-utility-of-angiographic-ct-with-a-flat-detector-angiographic-system-during-endovascular-procedure
#16
Seon Woong Choi, Kwang Wook Jo, Young Woo Kim, Seong Rim Kim, Ik Seong Park, Hoon Kim
OBJECTIVE: We evaluated the feasibility of angiographic computed tomography (ACT) for visualizing stent material in patients who underwent intracranial or extracranial stent placement to treat atherosclerotic lesions or stent assisted coil embolization. MATERIALS AND METHODS: We performed intrarterial and intravenous ACT on biplane angiography system equipped with flat panel detectors (Axiom Arits dBA; Siemens Medical Solutions, Forchheim, Germany). Vistipaque 320 was injected for contrast medium, total 150 mL at flow rate of 5 mL/s through artery and 77 mL at flow rate of 3...
September 2016: Journal of Cerebrovascular and Endovascular Neurosurgery
https://www.readbyqxmd.com/read/27847767/the-benefits-of-navien%C3%A2-intracranial-support-catheter-for-endovascular-treatment
#17
Siwoo Lee, Tae-Sik Gong, Yong-Woo Lee, Hyo-Joon Kim, Chang-Young Kweon
OBJECTIVE: Endovascular treatment is one of the most important treatments along with open craniotomy for cerebrovascular surgery. The successful treatment of endovascular disease relies on appropriate instruments and the surgeon's skill. Endovascular treatment needs to provide safe and stable access to the catheter cavity. Additionally, it is important to maintain a round shape without changing to an oval shape. The catheter for endovascular treatment has to be flexible and accommodate at least 0...
September 2016: Journal of Cerebrovascular and Endovascular Neurosurgery
https://www.readbyqxmd.com/read/27844157/stent-assisted-coiling-embolization-of-tiny-wide-necked-intracranial-aneurysms
#18
Yongtao Zheng, Yanbing Song, Dajun Liu, Yingjun Liu, Qiang Xu, Yanlong Tian, Bing Leng
BACKGROUND: Tiny, wide-necked intracranial aneurysms pose a significant therapeutic challenge for interventional neuroradiologists because of the small volume for microcatheterization and coil stabilization inside the aneurysm sac. We report our preliminary experience of stent-assisted coiling embolization of these aneurysms. METHODS: A total of 50 patients with 52 tiny, wide-necked aneurysms who were treated with stent-assisted coiling from January 2007 to December 2014 were reviewed retrospectively...
November 14, 2016: Acta Neurochirurgica
https://www.readbyqxmd.com/read/27843693/treatment-and-imaging-of-intracranial-atherosclerotic-stenosis-current-perspectives-and-future-directions
#19
REVIEW
Ido R van den Wijngaard, Ghislaine Holswilder, Marianne A A van Walderveen, Ale Algra, Marieke J H Wermer, Osama O Zaidat, Jelis Boiten
BACKGROUND AND PURPOSE: Intracranial atherosclerosis is a common cause of stroke worldwide. It results in ischemic stroke due to different mechanisms including artery-to-artery embolism, in situ thrombo-occlusion, occlusion of perforating arteries, and hemodynamic failure. In this review, we present an overview of current treatment and imaging modalities in intracranial atherosclerotic stenosis. METHODS: PubMed was searched for relevant articles in English that evaluated the treatment and imaging of intracranial atherosclerotic stenosis (ICAS)...
November 2016: Brain and Behavior
https://www.readbyqxmd.com/read/27836654/follow-up-of-intracranial-aneurysms-treated-with-stent-assisted-coiling-comparison-of-contrast-enhanced-mra-time-of-flight-mra-and-digital-subtraction-angiography
#20
David Marciano, Sébastien Soize, Georgios Metaxas, Christophe Portefaix, Laurent Pierot
BACKGROUND AND PURPOSE: Data about non-invasive follow-up of aneurysm after stent-assisted coiling is scarce. We aimed to compare time-of-flight (TOF) magnetic resonance angiography (MRA) (3D-TOF-MRA) and contrast-enhanced MRA (CE-MRA) at 3-Tesla, with digital subtraction angiography (DSA) for evaluating aneurysm occlusion and parent artery patency after stent-assisted coiling. MATERIALS AND METHODS: In this retrospective single-center study, patients were included if they had an intracranial aneurysm treated by stent-assisted coiling between March 2008 and June 2015, followed with both MRA sequences (3D-TOF-MRA and CE-MRA) at 3-Tesla and DSA, performed in an interval<48hours...
November 8, 2016: Journal of Neuroradiology. Journal de Neuroradiologie
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