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Magnetic Particle Imaging: Artifact-Free Metallic Stent Lumen Imaging in a Phantom Study.
Wegner, Franz; Friedrich, Thomas; von Gladiss, Anselm; Grzyska, Ulrike; Sieren, Malte M; Lüdtke-Buzug, Kerstin; Frydrychowicz, Alex; Buzug, Thorsten M; Barkhausen, Jörg; Haegele, Julian.
Afiliación
  • Wegner F; Department of Radiology and Nuclear Medicine, University Hospital Schleswig-Holstein, Campus Lübeck, Ratzeburger Allee 160, 23562, Lübeck, Germany. franz.wegner@uksh.de.
  • Friedrich T; Institute of Medical Engineering, University of Lübeck, Ratzeburger Allee 160, 23562, Lübeck, Germany.
  • von Gladiss A; Institute of Medical Engineering, University of Lübeck, Ratzeburger Allee 160, 23562, Lübeck, Germany.
  • Grzyska U; Department of Radiology and Nuclear Medicine, University Hospital Schleswig-Holstein, Campus Lübeck, Ratzeburger Allee 160, 23562, Lübeck, Germany.
  • Sieren MM; Department of Radiology and Nuclear Medicine, University Hospital Schleswig-Holstein, Campus Lübeck, Ratzeburger Allee 160, 23562, Lübeck, Germany.
  • Lüdtke-Buzug K; Institute of Medical Engineering, University of Lübeck, Ratzeburger Allee 160, 23562, Lübeck, Germany.
  • Frydrychowicz A; Department of Radiology and Nuclear Medicine, University Hospital Schleswig-Holstein, Campus Lübeck, Ratzeburger Allee 160, 23562, Lübeck, Germany.
  • Buzug TM; Institute of Medical Engineering, University of Lübeck, Ratzeburger Allee 160, 23562, Lübeck, Germany.
  • Barkhausen J; Department of Radiology and Nuclear Medicine, University Hospital Schleswig-Holstein, Campus Lübeck, Ratzeburger Allee 160, 23562, Lübeck, Germany.
  • Haegele J; Zentrum für Radiologie und Nuklearmedizin, Von-Werth-Straße 5, 41515, Grevenbroich, Germany.
Cardiovasc Intervent Radiol ; 43(2): 331-338, 2020 Feb.
Article en En | MEDLINE | ID: mdl-31578634
PURPOSE: To illustrate the potential of magnetic particle imaging (MPI) for stent lumen imaging in comparison with clinical computed tomography (CT) and magnetic resonance imaging (MRI). MATERIALS AND METHODS: Imaging of eight tracer-filled, stented vessel phantoms and a tracer-filled, non-stented reference phantom for each diameter was performed on a preclinical MPI scanner: eight commercially available coronary stents of different dimensions (diameter: 3-4 mm; length: 11-38 mm) and materials (stainless steel, platinum-chromium) were implanted into silicone vessel phantoms. For comparison, all vessel phantoms were also visualized by MRI and CT. Two radiologists assessed the images regarding stent-induced artifacts using a 5-point grading scale. RESULTS: The visualization of all stented vessel phantoms was achieved without stent-induced artifacts with MPI. In contrast, MRI and CT images revealed multiform stent-induced artifacts. CONCLUSION: Given its clinical introduction, MPI has the potential to overcome the disadvantages of MRI and CT concerning the visualization of the stent lumen.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Procesamiento de Imagen Asistido por Computador / Tomografía / Stents / Artefactos / Fantasmas de Imagen / Nanopartículas de Magnetita Idioma: En Revista: Cardiovasc Intervent Radiol Año: 2020 Tipo del documento: Article País de afiliación: Alemania Pais de publicación: Estados Unidos
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Procesamiento de Imagen Asistido por Computador / Tomografía / Stents / Artefactos / Fantasmas de Imagen / Nanopartículas de Magnetita Idioma: En Revista: Cardiovasc Intervent Radiol Año: 2020 Tipo del documento: Article País de afiliación: Alemania Pais de publicación: Estados Unidos