Search results for "Stent-graft infolding"

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An In Vitro Phantom Study on the Role of the Bird-Beak Configuration in Endograft Infolding in the Aortic Arch.

2015

Purpose: To assess endograft infolding for excessive bird-beak configurations in the aortic arch in relation to hemodynamic variables by quantifying device displacement and rotation of oversized stent-grafts deployed in a phantom model. Methods: A patient-specific, compliant, phantom pulsatile flow model was reconstructed from a patient who presented with collapse of a Gore TAG thoracic endoprosthesis. Device infolding was measured under different flow and pressure conditions for 3 protrusion extensions (13, 19, and 24 mm) of the bird-beak configuration resulting from 2 TAG endografts with oversizing of 11% and 45%, respectively. Results: The bird-beak configuration with the greatest protr…

Aortic archModels AnatomicRadiology Nuclear Medicine and ImagingTime FactorsFlow modelPulsatile flowEndograftStent-graft oversizingAorta Thoracic030204 cardiovascular system & hematologyRotation0302 clinical medicineForeign-Body MigrationStentThoracic aortaBird-beak configurationmedicine.diagnostic_testEndovascular ProceduresGraft Occlusion VascularModels CardiovascularAnatomyIn vitro experimentProsthesis FailureBlood Vessel ProsthesiTreatment OutcomePulsatile FlowPatient-specific modelStentsCardiology and Cardiovascular MedicineHumanAortographyTime FactorThoracic endovascular aortic repairProsthesis DesignAortographyImaging phantom03 medical and health sciencesBlood Vessel Prosthesis ImplantationBlood vessel prosthesismedicine.arterymedicineHumansDisplacement (orthopedic surgery)HemodynamicEndovascular Procedurebusiness.industryHemodynamicsDisplacementStent-graft infoldingBlood Vessel ProsthesisSurgerybusinessTomography X-Ray Computed030217 neurology & neurosurgeryStent-graft collapseJournal of endovascular therapy : an official journal of the International Society of Endovascular Specialists
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