Flow Diverter
FRED Flow Diverter: A Study on Safety and Efficacy in a Consecutive Group of 50 Patients
... Standard transfemoral access was obtained by using an 80-/90-cm 6F sheath placed in the common carotid artery or a 65-cm 6F sheath placed in the subclavian artery, respectively. We placed 6F Envoy guiding catheters ...
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Large Basilar Apex Aneurysms Treated with Flow Diverter Stents
... filling flow into the aneurysmal sac from the covered P1 is potentially ...a flow diverter de- ployed in the P1 segment with the smaller or absent posterior communicating artery determines a higher ...
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Acutely Ruptured Intracranial Aneurysms Treated with Flow Diverter Stents: A Systematic Review and Meta Analysis
... and flow-diversion treatment was ...Silk flow diverter (Balt Extrusion, Montmorency, France) ...the Flow-Redirection Endoluminal Device (FRED; MicroVention, Tustin, California) (3%; 95% CI, ...
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Treatment of Distal Anterior Cerebral Artery Aneurysms with Flow Diverter Stents: A Single Center Experience
... with flow-diverter stents between January 2014 and October ...with flow-diverter stents was made on the basis of the following: 1) the presence of a wide neck, 2) a branching vessel coming ...
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A DSA Based Method Using Contrast Motion Estimation for the Assessment of the Intra Aneurysmal Flow Changes Induced by Flow Diverter Stents
... MAFA Ratio as an Aneurysm Thrombosis Predictor The 21 patients were implanted with either the Silk (n ⫽ 12) or Pipeline embolization device (n ⫽ 9) FDS. The MAFA ratio R was able to predict thrombosis at 12 months with a ...
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Treatment of Middle Cerebral Artery Aneurysms with Flow Diverter Stents: A Systematic Review and Meta Analysis
... From each study, we extracted the following information: 1) characteristics and number of MCA aneurysms, 2) aneurysm occlusion rate and related factors, 3) incidence of aneurysm rupture after treatment, 4) ...
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Evolution of Flow Diverter Endothelialization and Thrombus Organization in Giant Fusiform Aneurysms after Flow Diversion: A Histopathologic Study
... the flow diverter (FD) is supposed to become covered by an intimal layer, sealing the aneurysm cavity from the parent artery and preventing it from thromboembolic ...
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Differential Gene Expression in Coiled versus Flow Diverter Treated Aneurysms: RNA Sequencing Analysis in a Rabbit Aneurysm Model
... Our results showed that relatively few genes were differentially expressed when comparing coiled versus flow-diverter-treated aneurysms. These findings show that despite 2 different ap- proaches, the ...
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Current Trends and Results of Endovascular Treatment of Unruptured Intracranial Aneurysms at a Single Institution in the Flow Diverter Era
... Both flow-diverter and coil therapy were safe and ef- ...of flow diversion at our institution, there has been a signifi- cant upward trend in the use of FDs as approximately 50% of unruptured ...
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Subtraction CTA: An Alternative Imaging Option for the Follow Up of Flow Diverter Treated Aneurysms?
... Between November 2015 and Novem- ber 2016, twenty-three patients were treated with a flow diverter at our De- partment of Neurosurgery. Thirteen patients (8 women and 5 men) were enrolled in this study (Fig ...
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The Role of Hemodynamics in Intracranial Bifurcation Arteries after Aneurysm Treatment with Flow Diverter Stents
... the flow diverter, with changes in WSS values confined to less than ...systolic flow rates (Fig 5) showed similar trends, with WSS fields mostly affected in nonsymmetrical bifurcations in both ...
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In Vitro Evaluation of Intra Aneurysmal, Flow Diverter Induced Thrombus Formation: A Feasibility Study
... To analyze the structure of the FD- induced thrombi at different growing phases, 3 study end points were defined on the basis of the changes in the spatial extent of the signal: 1) beginning, 2) ap- proximately 50%, and ...
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Flow Diverter Stents for the Treatment of Saccular Middle Cerebral Artery Bifurcation Aneurysms
... to flow impairment inside the covered ...collateral flow was always tested with balloon MCA occlusion before FDS treatment, though exist- ing, collateral flow was sometimes ...collateral flow ...
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The FRED Flow Diverter Stent for Intracranial Aneurysms: Clinical Study to Assess Safety and Efficacy
... The major stroke occurred in a patient with a ruptured aneu- rysm of a short paramedian circumferential perforator branch emerging from the basilar trunk. This very small aneurysm mea- sured 1.6 mm and arose from the ...
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Retrospective Analysis of Delayed Intraparenchymal Hemorrhage after Flow Diverter Treatment: Presentation of a Retrospective Multicenter Trial
... BACKGROUND AND PURPOSE: Intracranial aneurysm treatment with flow diverters has shown satisfying results in terms of aneurysm occlusion, and while some cases of delayed intraparenchymal hemorrhage have been described, no ...
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Compacting a Single Flow Diverter versus Overlapping Flow Diverters for Intracranial Aneurysms: A Computational Study
... most revealing when considering the medium IA, which has the smallest orifice area of the 3 IA cases. In this aneurysm, the compacted FD disrupted the IA inflow jet as much as but no more than the noncompacted FD, and ...
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Surpass Streamline Flow Diverter Embolization Device for Treatment of Iatrogenic and Traumatic Internal Carotid Artery Injuries
... SUMMARY: Iatrogenic and traumatic cerebral internal carotid artery injuries are uncommon but potentially lethal complications. Direct surgical repair of ICA injuries may be difficult in an acute setting. However, ...
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Surpass Flow Diverter for Treatment of Posterior Circulation Aneurysms
... FIG 1. A 51-year-old woman presenting with Hunt and Hess grade 4 subarachnoid hemorrhage from a previously diagnosed fusiform aneurysm of the basilar trunk. A, Unenhanced CT scan shows diffuse SAH (arrowheads). The arrow ...
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Does Arterial Flow Rate Affect the Assessment of Flow Diverter Stent Performance?
... arterial flow rate. For example, a standardized “critical slope” after flow diversion can be identified, in which aneurysm throm- bosis would be ...arterial flow rate at which those aneurysms were ...
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Prospective study to assess the tissue response to HPC-coated p48 flow diverter stents compared to uncoated devices in the rabbit carotid artery model
... Euthanasia by pentobarbital (Narcoren, Merial GmbH, Hallbergmoos, Germany) overdose (6–8 mL) was per- formed at 30 days whilst the animals were under anaesthe- sia with Ketamin (60 mg/kg)/Rompun 2% (6 mg/kg) in 10 mL ...
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