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Myocardial CT Viability

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Dual-Energy CT in Cardiovascular Imaging

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Abstract

Myocardial viability assessment can be a key factor in determining the direction of care in a patient with coronary artery disease. Many imaging modalities can be utilized for this purpose, including echocardiography, nuclear medicine perfusion scans, and cardiac magnetic resonance imaging. Cardiac computed tomography (CCTA) provides an alluring options given this modality possesses the ability to evaluate both the coronary anatomy as well as myocardial perfusion and scar burden. While CCTA is well accepted as a method to evaluate the coronary arteries for atherosclerosis, the role of this modality when it comes to viability assessment is less clear. Some of this uncertainty may be derived from the contrast limitations that standard CCTA faces when attempting to evaluate the myocardium. The addition of dual energy imaging to CCTA allows a number of avenues to improve contrast resolution and reduce artifact, including material decomposition images (iodine maps) and virtual monochromatic energy image creation. It is possible that dual energy CCTA will afford the ability to confirm not only whether or not a patient has coronary disease, but also if they may benefit from revascularization in a single 20 min exam.

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Author information

Authors and Affiliations

  1. Department of Radiology, St. Paul’s Hospital, University of British Columbia, 2750 Waterloo Street, Vancouver, BC, V6R 3H9, Canada

    Cameron Hague MD & Rekha Raju MD

  2. Department of Diagnostic and Interventional Radiology, University Hospital Frankfurt, Frankfurt, Germany

    Julian Winchman MD

Authors
  1. Cameron Hague MD
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  2. Rekha Raju MD
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  3. Julian Winchman MD
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Corresponding author

Correspondence to Cameron Hague MD .

Editor information

Editors and Affiliations

  1. Diagnostico Maipú, Buenos Aires, Argentina

    Patricia M. Carrascosa

  2. Miami Cardiac and Vascular Institute and Baptist Health South Florida, Miami, Florida, USA

    Ricardo C. Cury

  3. Montefiore Einstein Center for Heart and Vascular Care Center, New York, New York, USA

    Mario J. García

  4. Providence Health Care, Vancouver, British Columbia, Canada

    Jonathon A. Leipsic

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© 2015 Springer International Publishing Switzerland

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Hague, C., Raju, R., Winchman, J. (2015). Myocardial CT Viability. In: Carrascosa, P., Cury, R., García, M., Leipsic, J. (eds) Dual-Energy CT in Cardiovascular Imaging. Springer, Cham. https://doi.org/10.1007/978-3-319-21227-2_13

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  • DOI: https://doi.org/10.1007/978-3-319-21227-2_13

  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-319-21226-5

  • Online ISBN: 978-3-319-21227-2

  • eBook Packages: MedicineMedicine (R0)

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