Academic Radiology
Volume 16, Issue 10 , Pages 1241-1250 , October 2009

Is Coronary Stent Assessment Improved with Spectral Analysis of Dual Energy CT?

  • Ethan J. Halpern, MD

      Affiliations

    • Department of Radiology, Thomas Jefferson University, 132 S 10th Street, Philadelphia, PA 19107-5244
    • Corresponding Author InformationAddress correspondence to: E.J.H.
    • ,
  • David J. Halpern

      Affiliations

    • Department of Radiology, Thomas Jefferson University, 132 S 10th Street, Philadelphia, PA 19107-5244
    • ,
  • Jeffrey H. Yanof, PhD

      Affiliations

    • Philips Medical Systems, Cleveland, OH
    • ,
  • Sigal Amin-Spector, PhD

      Affiliations

    • Philips Medical Systems, Cleveland, OH
    • ,
  • David Fischman, MD

      Affiliations

    • Division of Cardiology, Department of Internal Medicine, Thomas Jefferson University, 132 S 10th Street, Philadelphia, PA 19107-5244
    • ,
  • Galit Aviram, MD

      Affiliations

    • Department of Radiology, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel
    • ,
  • Jacob Sosna, MD

      Affiliations

    • Department of Radiology, Hadassah Hebrew University Hospital, Jerusalem, Israel

Received 24 March 2009 ,Accepted 21 April 2009.

References 

  1. Nieman K, Cademartiri F, Raaijmakers R, Pattynama P, de Feyter P. Noninvasive angiographic evaluation of coronary stents with multi-slice spiral computed tomography. Herz. 2003;28:136–142
  2. Maintz D, Juergens K, Wichter T, Grude M, Heindel W, Fischbach R. Imaging of coronary artery stents using multislice computed tomography: in vitro evaluation. Eur Radiol. 2003;13:830–835
  3. Mahnken A, Muhlenbruch G, Seyfarth T, et al. 64-slice computed tomography assessment of coronary artery stents: a phantom study. Acta Radiol. 2006;47:36–42
  4. Seifarth H, Ozgun M, Raupach R, et al. 64- versus 16-slice CT angiography for coronary artery stent assessment: in vitro experience. Invest Radiol. 2006;41:22–27
  5. Graser A, Johnson TR, Chandarana H, Macari M. Dual energy CT: preliminary observations and potential clinical applications in the abdomen. Eur Radiol. 2009;19:13–23
  6. Boll DT, Hoffmann MH, Huber N, Bossert AS, Aschoff AJ, Fleiter TR. Spectral coronary multidetector computed tomography angiography: dual benefit by facilitating plaque characterization and enhancing lumen depiction. J Comput Assist Tomogr. 2006;30:804–811
  7. Boll DT, Merkle EM, Paulson EK, Mirza RA, Fleiter TR. Calcified vascular plaque specimens: assessment with cardiac dual-energy multidetector CT in anthropomorphically moving heart phantom. Radiology. 2008;249:119–126
  8. Boll DT, Merkle EM, Paulson EK, Fleiter TR. Coronary stent patency: dual-energy multidetector CT assessment in a pilot study with anthropomorphic phantom. Radiology. 2008;247:687–695
  9. Carmi R, Naveh G, Altman A. Material separation with dual-layer CT. In: Proceedings of IEEE Nuclear Science Symposium 2005. New York: IEEE; 2005;p. 1876–1878
  10. Halpern EJ. Coronary stents. In:  Halpern EJ editors. Clinical cardiac CT: anatomy and function. New York: Thieme; 2008;p. 115–129
  11. Joseph PM, Spital RD. The exponential edge-gradient effect in x-ray computed tomography. Phys Med Biol. 1981;26:473–487
  12. Hong C, Chrysant GS, Woodard PK, Bae K. Coronary artery stent patency assessed with in-stent contrast enhancement measured at multi-detector row CT angiography: initial experience. Radiology. 2004;233:286–291
  13. Mahnken A, Seyfarth T, Flohr T, et al. Flat-panel detector computed tomography for the assessment of coronary artery stents: phantom study in comparison with 16-slice spiral computed tomography. Invest Radiol. 2005;40:8–13

PII: S1076-6332(09)00266-9

doi: 10.1016/j.acra.2009.04.011

Academic Radiology
Volume 16, Issue 10 , Pages 1241-1250 , October 2009

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