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

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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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.

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Keywords: Time-resolved CT Angiography Dynamic CT Angiography Aortic Endoleak EVAR Endoleak Diagnosis Endoleak Treatment 2D-3D Fusion Imaging Radiation Exposure Contrast Usage Timing Bolus
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