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Journal of Neurointerventional Surgery

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https://www.readbyqxmd.com/read/29773716/thrombectomy-6-24-hours-after-stroke-in-trial-ineligible-patients
#1
Shashvat M Desai, Marcelo Rocha, Bradley J Molyneaux, Matthew Starr, Cynthia L Kenmuir, Bradley A Gross, Brian Thomas Jankowitz, Tudor G Jovin, Ashutosh P Jadhav
BACKGROUND AND PURPOSE: The DAWN and DEFUSE-3 trials demonstrated the benefit of endovascular thrombectomy (ET) in late-presenting acute ischemic strokes due to anterior circulation large vessel occlusion (ACLVO). Strict criteria were employed for patient selection. We sought to evaluate the characteristics and outcomes of patients treated outside these trials. METHODS: A retrospective review of acute ischemic stroke admissions to a single comprehensive stroke center was performed during the DAWN trial enrollment period (November 2014 to February 2017) to identify all patients presenting in the 6-24 hour time window...
May 17, 2018: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/29773715/embolus-retriever-with-interlinked-cages-versus-other-stent-retrievers-in-acute-ischemic-stroke-an-observational-comparative-study
#2
Philipp Gruber, Salome Zeller, Carlos Garcia-Esperon, Jatta Berberat, Javier Anon, Michael Diepers, Krassen Nedeltchev, Fabian Flottmann, Jens Fiehler, Luca Remonda, Timo Kahles
BACKGROUND AND PURPOSE: Given the promising performance of the new Embolus Retriever with Interlinked Cages (ERIC) in smaller case series, we sought to assess the efficacy and safety of mechanical thrombectomy (MT) with ERIC compared with other stent retrievers (SRs) in acute ischemic stroke due to large vessel occlusion (LVO). METHODS: We reviewed the databases of two comprehensive stroke centers in in Germany and Switzerland for MT due to LVO in the anterior circulation with either ERIC or another SR as a first device...
May 17, 2018: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/29773714/the-bendy-basilar-progressive-aneurysm-tilting-and-arterial-deformation-can-be-a-delayed-outcome-after-coiling-of-large-basilar-apex-aneurysms
#3
Ansaar T Rai, Abdul R Tarabishy, SoHyun Boo, Jeffrey S Carpenter, Sanjay Bhattia
BACKGROUND: Morphological changes in the basilar artery and the artery-aneurysm relationship following coiling of large basilar apex aneurysms may induce morbidity. METHODS: The basilar artery radius-of-curvature was measured along its center line on volumetrically reconstructed images formatted along the plane of curvature. The aneurysm-tilt-angle was measured between the distal basilar and the vertical long axis of the aneurysm. The measurements were compared between small (<10 mm) and large (≥10 mm) aneurysms on baseline and follow-up studies...
May 17, 2018: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/29764930/closure-of-large-bore-9-f-arterial-puncture-sites-with-the-angioseal-sts-device-in-acute-stroke-patients-after-intravenous-recombinant-tissue-plasminogen-activator-rt-pa
#4
Hendrik Janssen, Monika Killer-Oberpfalzer, Ruediger Lange
PURPOSE: This retrospective analysis was performed to evaluate whether large bore 9 F puncture sites can be safely closed with the 8 F AngioSeal STS device after endovascular stroke procedures in patients who did or did not receive recombinant tissue plasminogen activator (rt-PA). METHODS: Out of 161 consecutive endovascular stroke procedures we identified 72 patients who met the inclusion criteria, of whom 46 received rt-PA before the endovascular procedure and 26 did not...
May 15, 2018: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/29760013/severity-of-cerebral-vasospasm-associated-with-development-of-collaterals-following-aneurysmal-subarachnoid-hemorrhage
#5
Fawaz Al-Mufti, Jens Witsch, Nathan Manning, Michael Crimmins, Krishna Amuluru, Sachin Agarwal, Soojin Park, Joshua Z Willey, Hooman Kamel, E Sander Connolly, Philip M Meyers, Jan Claassen
INTRODUCTION: Cerebral collateral circulation has been studied extensively in ischemic stroke where it has been shown to be a predictor of reperfusion, final infarct size, and outcome. Little is known about the significance of the collaterals in the setting of aneurysmal subarachnoid hemorrhage (aSAH). We sought to evaluate the effect of cerebral vasospasm on the development of cerebral collaterals following aneurysmal subarachnoid hemorrhage and the effects of the latter on delayed cerebral ischemia (DCI)...
May 14, 2018: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/29760012/agreement-between-core-laboratory-and-study-investigators-for-imaging-scores-in-a-thrombectomy-trial
#6
Robert Fahed, Malek Ben Maacha, Célina Ducroux, Naim Khoury, Raphaël Blanc, Michel Piotin, Bertrand Lapergue
PURPOSE: We aimed to assess the agreement between study investigators and the core laboratory (core lab) of a thrombectomy trial for imaging scores. METHODS: The Alberta Stroke Program Early CT Score (ASPECTS), the European Collaborative Acute Stroke Study (ECASS) hemorrhagic transformation (HT) classification, and the Thrombolysis In Cerebral Infarction (TICI) scores as recorded by study investigators were compared with the core lab scores in order to assess interrater agreement, using Cohen's unweighted and weighted kappa statistics...
May 14, 2018: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/29739828/anterior-cerebral-artery-embolism-during-thrombectomy-increases-disability-and-mortality
#7
Vanessa Chalumeau, Raphaël Blanc, Hocine Redjem, Gabriele Ciccio, Stanislas Smajda, Jean-Philippe Desilles, Daniele Botta, Simon Escalard, William Boisseau, Benjamin Maïer, Julien Labreuche, Mickaël Obadia, Michel Piotin, Mikael Mazighi
OBJECTIVE: During thrombectomy, thromboembolic migration in previously unaffected territory may occur and is not systematically notified. We report our data on the incidence, predictors, and clinical outcome of anterior cerebral artery emboli (ACAE). METHODS: From a prospectively collected thrombectomy database of consecutive patients with anterior circulation stroke between January 2012 and December 2016, 690 angiographic images were analyzed to assess ACAE. The primary outcome was a favorable outcome, defined as a 3 month modified Rankin Scale score of 0-2 or equal to the pre-stroke score...
May 8, 2018: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/29706606/angioplasty-and-stenting-for-symptomatic-extracranial-non-tandem-internal-carotid-artery-occlusion
#8
Ashutosh Jadhav, David Panczykowski, Mouhammad Jumaa, Amin Aghaebrahim, Manasa Ranginani, Felix Nguyen, Shashvat M Desai, Ramesh Grandhi, Andrew Ducruet, Bradley A Gross, Brian Thomas Jankowitz, Tudor G Jovin
INTRODUCTION: Symptomatic internal carotid artery occlusion (ICAO) can lead to neurologic decline, recurrent stroke, and mortality. OBJECTIVE: We sought to evaluate the safety and feasibility of endovascular revascularization for ICAO without tandem intracranial large vessel occlusion (LVO). DESIGN, SETTING, AND PARTICIPANTS: This is a retrospective cohort analysis of all patients presenting to a single academic center with ischemic stroke and ipsilateral cervical ICAO from November 2003 through April 2016...
April 29, 2018: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/29705773/direct-mechanical-thrombectomy-in-tpa-ineligible-and-eligible-patients-versus-the-bridging-approach-a-meta-analysis
#9
Johannes Kaesmacher, Pasquale Mordasini, Marcel Arnold, Elena López-Cancio, Neus Cerdá, Tobias Boeckh-Behrens, Justus F Kleine, Mayank Goyal, Michael D Hill, Vitor Mendes Pereira, Jeffrey L Saver, Jan Gralla, Urs Fischer
BACKGROUND: Whether pretreatment with intravenous thrombolysis prior to mechanical thrombectomy (IVT+MTE) adds additional benefit over direct mechanical thrombectomy (dMTE) in patients with large vessel occlusions (LVO) is a matter of debate. METHODS: This study-level meta-analysis was presented in accord with the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines. Pooled effect sizes were calculated using the inverse variance heterogeneity model and displayed as summary Odds Ratio (sOR) and corresponding 95% confidence interval (95% CI)...
April 28, 2018: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/29695603/intermediate-catheter-placement-distal-to-the-cerebral-aneurysm-during-flow-diversion-embolization-with-the-surpass-device
#10
Osman Melih Topcuoglu, Anil Arat, Ahmet Peker, Basar Sarikaya
PURPOSE: We present the preliminary angiographic and clinical results of the combined utilization of an AXS Catalyst 5 (Cat5) distal access catheter and a Surpass flow diverter (SFD) for the endovascular treatment of intracranial aneurysms. MATERIALS AND METHODS: Interventional neuroradiology case records were evaluated retrospectively to identify patients treated with an SFD in combination with Cat5. Demographic data, technical success, location of the catheter tip, aneurysm occlusion rate, and procedure-related morbidity and mortality were noted...
April 25, 2018: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/29695602/quantifying-the-mechanical-and-histological-properties-of-thrombus-analog-made-from-human-blood-for-the-creation-of-synthetic-thrombus-for-thrombectomy-device-testing
#11
William Merritt, Anne Marie Holter, Sharna Beahm, Connor Gonzalez, Timothy A Becker, Aaron Tabor, Andrew F Ducruet, Laura S Bonsmann, Trevor R Cotter, Sergey Frenklakh
BACKGROUND: Untreated ischemic stroke can lead to severe morbidity and death, and as such, there are numerous endovascular blood-clot removal (thrombectomy) devices approved for human use. Human thrombi types are highly variable and are typically classified in qualitative terms - 'soft/red,' 'hard/white,' or 'aged/calcified.' Quantifying human thrombus properties can accelerate the development of thrombus analogs for the study of thrombectomy outcomes, which are often inconsistent among treated patients...
April 25, 2018: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/29680820/is-discretion-the-better-part-of-valor
#12
Alejandro M Spiotta, Adam S Arthur, David Fiorella, Donald Frei, Blaise Baxter, J Mocco, Joshua A Hirsch, Raymond D Turner, Aquilla S Turk
No abstract text is available yet for this article.
April 21, 2018: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/29680819/a-single-center-experience-in-the-endovascular-treatment-of-carotid-siphon-aneurysms-using-the-willis-covered-stent-a-retrospective-analysis
#13
Lin Ma, Ji-Chong Xu, Shuo Yan, Hao Feng, Hong-Jie Han, Hua-Qiao Tan, Chun Fang, Hong-En Huang
OBJECTIVE: To report the clinical results and initial clinical experience of endovascular isolation with the Willis covered stent for carotid siphon aneurysms. METHODS: Between November 2013 and December 2016, a total of 57 patients who presented with carotid siphon aneurysms were treated with the Willis covered stent. Results of the procedures, technical events, and complications were recorded. Clinical and imaging follow-ups were performed at 3 months following the endovascular procedures...
April 21, 2018: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/29678887/-stroke
#14
Jacob J Bundy, Jeffrey Forris Beecham Chick, Anthony N Hage, Ravi N Srinivasa, Neeraj Chaudhary, Rajiv N Srinivasa, Venu Vadlamudi, Joseph J Gemmete
PURPOSE: To describe the stroke-related Twitter network through analysis of the #Stroke hashtag. MATERIALS AND METHODS: 621 653 tweets containing the #Stroke hashtag were analyzed from 20 March 2012 to 31 January 2018. Twitter activity metrics, engagement, user characteristics, content analysis, and network analysis were obtained using the healthcare social media analytics platform, Symplur Signals. RESULTS: The number of users, the number of impressions, and the number of tweets containing the #Stroke hashtag increased by an annual average of 64...
April 20, 2018: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/29678886/the-neuroform-atlas-stent-to-assist-coil-embolization-of-intracranial-aneurysms-a-multicentre-experience
#15
Christian Ulfert, Mirko Pham, Michael Sonnberger, Franco Amaya, Johannes Trenkler, Martin Bendszus, Markus A Möhlenbruch
OBJECTIVE: To assess the clinical safety and efficacy of the Atlas microstent in stent-assisted coil embolization of wide-necked intracranial aneurysms. METHODS: Single-center observational study in 36 patients (24 female, 12 male, mean age 56 years) with 37 aneurysms for the endovascular treatment of wide-necked aneurysms. After giving informed consent, patients were included according to the following criteria: aneurysm dome-to-neck ratio <2 or neck diameter >4 mm, and a parent vessel diameter of ≤4...
April 20, 2018: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/29678885/the-burden-of-neurothrombectomy-call-a-multicenter-prospective-study
#16
Michelle M Williams, Taylor A Wilson, Thabele Leslie-Mazwi, Joshua A Hirsch, Ryan T Kellogg, Alejandro M Spiotta, Reade De Leacy, J Mocco, Felipe Albuquerque, Andrew F Ducruet, Adam Arthur, Visish M Srinivasan, Peter Kan, Maxim Mokin, Travis M Dumont, Alan Reeves, Jasmeet Singh, Stacey Q Wolfe, Kyle M Fargen
INTRODUCTION: Neurothrombectomy frequency is increasing, and a better understanding of the neurothrombectomy call burden is needed. METHODS: Neurointerventional physicians at nine participating stroke centers prospectively recorded time requirements for all neurothrombectomy (NT) consultations over 30 consecutive 24 hour call periods. RESULTS: Data were collected from a total of 270 days of call. 214 NT consultations were reported (mean 0...
April 20, 2018: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/29674483/influence-of-stent-design-and-use-of-protection-devices-on-outcome-of-carotid-artery-stenting-a-pooled-analysis-of-individual-patient-data
#17
Fritz Wodarg, Elisabeth L Turner, Joanna Dobson, Peter A Ringleb, Willem P Mali, Gustav Fraedrich, Gilles Chatellier, Jean-Pierre Bequemin, Martin M Brown, Ale Algra, Jean-Louis Mas, Olav Jansen, Leo H Bonati
BACKGROUND AND PURPOSE: Carotid artery stenting is an alternative to endarterectomy for the treatment of symptomatic carotid stenosis but was associated with a higher risk of procedural stroke or death in randomized controlled trials (RCTs). Technical aspects of treatment may partly explain these results. The purpose of this analysis was to investigate the influence of technical aspects such as stent design or the use of protection devices, as well as clinical variables, on procedural risk...
April 19, 2018: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/29674482/bleomycin-sclerotherapy-for-eyelid-venous-malformations-as-an-alternative-to-surgery-or-laser-therapy
#18
Tomoyoshi Shigematsu, Michelle Sorscher, Evelyn C Dier, Alejandro Berenstein
PURPOSE: To evaluate the clinical outcome of patients with venous malformation (VM) involving the eyelid treated with bleomycin sclerotherapy. METHODS: A retrospective review was performed of 18 consecutive patients with VM involving the eyelid who underwent bleomycin sclerotherapy. Patients' clinical presentation, details of sclerotherapy, and post-sclerotherapy resolution of the lesion as well as any procedure-related complications were evaluated. RESULTS: Twelve women and six men of mean age 34...
April 19, 2018: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/29669856/the-luna-aneurysm-embolisation-system-for-intracranial-aneurysm-treatment-short-term-mid-term-and-long-term-clinical-and-angiographic-results
#19
Michel Piotin, Alessandra Biondi, Nader Sourour, Charbel Mounayer, Maciej Jaworski, Salvatore Mangiafico, Tommy Andersson, Michael Söderman, Pierre Goffette, René Anxionnat, Raphaël Blanc
BACKGROUND AND PURPOSE: Intrasaccular aneurysm flow disruption represents an emerging endovascular approach to treat intracranial aneurysms. The purpose of this study was to determine the clinical and angiographic outcomes of using the LUNA aneurysm embolisation system (AES) for treatment of intracranial aneurysms. MATERIALS AND METHODS: The LUNA AES Post-Market Clinical Follow-Up study is a prospective, multicentre, single-arm study that was designed to evaluate device safety and efficacy...
April 18, 2018: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/29666181/accuracy-of-image-guided-percutaneous-injection-into-a-phantom-spinal-cord-utilizing-flat-panel-detector-ct-with-mr-fusion-and-integrated-navigational-software
#20
Jason F Talbott, Daniel L Cooke, Marc C Mabray, Paul S Larson, Matthew R Amans, Steven W Hetts, Mark W Wilson, Terilyn Moore, Ernesto A Salegio
PURPOSE: To evaluate the accuracy of percutaneous fluoroscopic injection into the spinal cord of a spine phantom utilizing integrated navigational guidance from fused flat panel detector CT (FDCT) and MR datasets. Conventional and convection-enhanced delivery (CED) techniques were evaluated. MATERIALS AND METHODS: FDCT and MR datasets of a swine thoracic spine phantom were co-registered using an integrated guidance system and surface to spinal cord target trajectory planning was performed on the fused images...
April 17, 2018: Journal of Neurointerventional Surgery
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