Parent artery
Computational Fluid Dynamics Modeling of Intracranial Aneurysms: Effects of Parent Artery Segmentation on Intra Aneurysmal Hemodynamics
... the parent artery and there- fore more tangential to the aneurysm neck in sidewall ...upstream artery can influence this angle of entry into the aneurysm as seen in patient 1, causing the impinge- ...
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Parent Artery Curvature Influences Inflow Zone Location of Unruptured Sidewall Internal Carotid Artery Aneurysms
... Of 32 sidewall aneurysms, 4D flow MR imaging revealed that the inflow zone location was the distal neck in 10 (group 1, 31.3%), the lateral side of the neck in 19 (group 2, 59.4%), and the proximal neck in 3 (group 3, ...
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Parent Artery Occlusion in Large, Giant, or Fusiform Aneurysms of the Carotid Siphon: Clinical and Imaging Results
... trapping the aneurysm by using detachable platinum coils (Fig 1A). The objective was to completely stop the blood flow at the neck of the aneurysm. Ideally, an upstream and downstream oc- clusion of the aneurysm with ...
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Influence of Parent Artery Segmentation and Boundary Conditions on Hemodynamic Characteristics of Intracranial Aneurysms
... Results: Hemodynamic factors were significantly affected by the inlet BCs while there was little influence of the outlet BCs. When the inlet length was relatively short, different inlet BCs showed different hemodynamic ...
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Resolution of Symptoms after Parent Artery Occlusion Treatment for Giant Cavernous Carotid Artery Aneurysms
... carotid artery aneurysms (CCAAs) often produce a va- riety of neurological deficits, primarily those related to ophthalmoplegia/paresis and ...after parent artery occlusion (PAO) treatment for giant ...
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Treatment of Intracranial Aneurysms by Functional Reconstruction of the Parent Artery: The Budapest Experience with the Pipeline Embolization Device
... Treatment of large, wide-neck, or otherwise untreatable aneu- rysms with functional reconstruction of the parent artery may be achieved with relative safety by using dedicated flow-mod- ifying devices. ...
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De novo cavernous aneurysms development after contralateral parent artery occlusion—Two cases report
... Parent artery occlusion (PAO) is regarded as a safe and effective method for treatment of the intracranial aneu- rysm which cannot be dealt with microsurgical clipping or unsuitable for “traditional ...
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Endovascular Parent Artery Occlusion for the Treatment of Wide Neck A1 Segment Aneurysms: A Single Center Experience
... with parent vessel ...series, parent artery occlusion was effective in treating wide-necked aneurysms arising from the A1 segment in patients with adequate collateral ...
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Aneurysmal Parent Artery–Specific Inflow Conditions for Complete and Incomplete Circle of Willis Configurations
... The Kruskal-Wallis test was performed to determine whether flow parameters were different between aneurysmal parent arteries. Sub- sequently, the Tukey honestly significant difference was performed to analyze ...
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The Success of Flow Diversion in Large and Giant Sidewall Aneurysms May Depend on the Size of the Defect in the Parent Artery
... and parent artery surfaces, leaving visible holes within the metal struts, which were occasionally par- tially covered with unorganized thrombus where leaks presum- ably ...
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Superficial Temporal Artery to Middle Cerebral Artery Bypass and Endovascular Parent Artery Occlusion in the Treatment of Giant Intracranial Aneurysms
... DOI: 10.4236/ojmn.2018.82013 157 Open Journal of Modern Neurosurgery master all aspects of the different treatment modalities [5]. Some authors [9] [14] had suggested that PAO could be the treatment of choice for GIAs ...
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Computational Simulation of Therapeutic Parent Artery Occlusion to Treat Giant Vertebrobasilar Aneurysm
... An Advantx UNV system (GE Medical Systems, Milwaukee, WI) is used at our institution. A workstation (Advantage Work- station 3.1, GE Medical Systems) with data from rotational angiography was used to perform 3D digital ...
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Coil Occlusion of the Parent Artery for Treatment of Symptomatic Peripheral Intracranial Aneurysms
... femoral artery and then passed up into the aortic arch, and selective catheterization of either the vertebral or common carotid artery was ...axillary artery was used as an access site because the ...
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Treatment of Intracranial Aneurysms Using the Pipeline Flow Diverter Embolization Device: A Single Center Experience with Long Term Follow Up Results
... cerebral artery was jailed by 1 PED, despite additional thrombolytic and platelet glycoprotein IIb-IIIa inhibitor drug ...series. Parent artery occlusion was reported more frequently in Silk series ...
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Low Wall Shear Stress Is Associated with Local Aneurysm Wall Enhancement on High Resolution MR Vessel Wall Imaging
... men of the aneurysm wall from a patient intraoperatively, which had exhibited local wall enhancement on the high-resolution MRI, and the following histologic study revealed phagocyte and lymphocyte invasion. In our ...
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Giant Serpentine Cerebral Aneurysm of the Middle Cerebral Artery: Case Report
... the parent artery without sufficient col- lateral filling of the distal vasculature which necessitates a functional bypass procedure to improve the blood supply to the affected hemisphere before per- ...
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Evaluation of intraaneurysmal blood velocity by time density curve analysis and digital subtraction angiography
... In vitro experiments have shown various relation- ships between hemodynamic forces and cerebral an- eurysms. In glass models, a correlation between an- eurysmal shape and flow pattern has been reported (5, 18, 19). ...
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Effects of Perianeurysmal Environment during the Growth of Cerebral Aneurysms: A Case Study
... The results of the current work suggest the following inter- esting observations. It is not possible to claim that this partic- ular aneurysm grew in the region persistently subjected to low WSS. If that were the case, ...
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MR angiography of saccular aneurysms after treatment with Guglielmi detachable coils: preliminary experience
... The aneurysms were treated with coils of various diam- eters and lengths depending on the clinical situation, the size and anatomy of the aneurysm, and the condition of the parent artery. The FDA’s GDC ...
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Bailout Stent Deployment during Coil Embolization of Intracranial Aneurysms
... All aneurysms treated by bailout stent placement in this study were wide-neck. Fortunately, we did not experience any bailout stent placement situations during treatment of small- neck aneurysms. Although we believe that ...
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