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Time-Resolved, Dynamic Computed Tomography Angiography for Characterization of Aortic Endoleaks and Treatment Guidance via 2D-3D Fusion-Imaging
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Time-Resolved, Dynamic Computed Tomography Angiography for Characterization of Aortic Endoleaks and Treatment Guidance via 2D-3D Fusion-Imaging

Article DOI: 10.3791/62958-v • 09:32 min • December 9th, 2021
December 9th, 2021 •
1,2, 1,3, 4, 1
1Department of Cardiovascular Surgery, Houston Methodist Hospital, 2Department of Vascular and Endovascular Surgery, Semmelweis University, 3Advanced Therapies, Siemens Medical Solutions USA Inc., 4Department of Cardiology, Houston Methodist Hospital

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Summary
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Dynamic computed tomography angiography (CTA) imaging provides additional diagnostic value in characterizing aortic endoleaks. This protocol describes a qualitative and quantitative approach using time-attenuation curve analysis to characterize endoleaks. The technique of integrating dynamic CTA imaging with fluoroscopy using 2D-3D image fusion is illustrated for better image guidance during treatment.

Tags

Time-resolved Dynamic Computed Tomography Angiography Aortic Endoleaks Treatment Guidance 2D-3D Fusion Imaging Endovascular Aortic Aneurysm Repair Misdiagnosed Conventional CT Imaging Iodinated Contrast Injection Vessels Contributing To Endoleak Source Of Endoleak EVAR Endoleak Therapy Intravenous Bolus Iodinated Contrast Agent Radiation Exposure Diagnostic Accuracy Triphasic CTA Imaging Diagnostic CTR MR Images Interventional Guidance 2D Angiographic Images C-Arm Angulations Image Fusion Techniques
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