Abstract
ObjectiveWe evaluated the feasibility of angiographic computed tomography (ACT) for visualizing stent material in patients who underwent intracranial or extracranial stent placement to treat atherosclerotic lesions or stent assisted coil embolization.Materials and MethodsWe performed intrarterial and intravenous ACT on biplane angiography system equipped with flat panel detectors (Axiom Arits dBA; Siemens Medical Solutions, Forchheim, Germany). Vistipaque 320 was injected for contrast medium, total 150 mL at flow rate of 5 mL/s through artery and 77 mL at flow rate of 3.5 mL/s through vein.ResultsACT is a new imaging modality that provides a clear visualization of stent strut.ConclusionTherefore this new application has potential to become the noninvasive option for follow-up after endovascular surgery using stents.
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