Academic Radiology
Volume 17, Issue 2 , Pages 201-206 , February 2010

Usefulness of Additional Coronary Calcium Scoring in Low-dose CT Coronary Angiography with Prospective ECG-Triggering: Impact on Total Effective Radiation Dose and Diagnostic Accuracy

  • Lars Husmann, MD

      Affiliations

    • Cardiac Imaging, University Hospital Zurich, Ramistrasse 100, CH-8091 Zurich, Switzerland
    • ,
  • Bernhard A. Herzog, MD

      Affiliations

    • Cardiac Imaging, University Hospital Zurich, Ramistrasse 100, CH-8091 Zurich, Switzerland
    • ,
  • Irene A. Burger, MD

      Affiliations

    • Cardiac Imaging, University Hospital Zurich, Ramistrasse 100, CH-8091 Zurich, Switzerland
    • ,
  • Ronny R. Buechel, MD

      Affiliations

    • Cardiac Imaging, University Hospital Zurich, Ramistrasse 100, CH-8091 Zurich, Switzerland
    • ,
  • Aju P. Pazhenkottil, MD

      Affiliations

    • Cardiac Imaging, University Hospital Zurich, Ramistrasse 100, CH-8091 Zurich, Switzerland
    • ,
  • Patrick von Schulthess

      Affiliations

    • Cardiac Imaging, University Hospital Zurich, Ramistrasse 100, CH-8091 Zurich, Switzerland
    • ,
  • Christophe A. Wyss, MD

      Affiliations

    • Cardiac Imaging, University Hospital Zurich, Ramistrasse 100, CH-8091 Zurich, Switzerland
    • ,
  • Oliver Gaemperli, MD

      Affiliations

    • Cardiac Imaging, University Hospital Zurich, Ramistrasse 100, CH-8091 Zurich, Switzerland
    • ,
  • Ulf Landmesser, MD

      Affiliations

    • Cardiac Imaging, University Hospital Zurich, Ramistrasse 100, CH-8091 Zurich, Switzerland
    • ,
  • Philipp A. Kaufmann, MD

      Affiliations

    • Cardiac Imaging, University Hospital Zurich, Ramistrasse 100, CH-8091 Zurich, Switzerland
    • Zurich Center for Integrative Human Physiology (ZIHP), University of Zurich, Switzerland
    • Corresponding Author InformationAddress correspondence to: P.A.K.

Received 17 June 2009 ,Accepted 5 September 2009.

References 

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  2. Husmann L, Valenta I, Gaemperli O, et al. Feasibility of low-dose coronary CT angiography: first experience with prospective ECG-gating. Eur Heart J. 2008;29:191–197
  3. Earls JP, Berman EL, Urban BA, et al. Prospectively gated transverse coronary CT angiography versus retrospectively gated helical technique: improved image quality and reduced radiation dose. Radiology. 2008;246:742–753
  4. Shuman WP, Branch KR, May JM, et al. Prospective versus retrospective ECG gating for 64-detector CT of the coronary arteries: comparison of image quality and patient radiation dose. Radiology. 2008;248:431–437
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  6. Herzog BA, Husmann L, Valenta I, et al. Determinants of vessel contrast in BMI-adapted low dose CT coronary angiography with prospective ECG-triggering. Int J Cardiovasc Imaging. 2009;
  7. Scheffel H, Alkadhi H, Leschka S, et al. Low-dose CT coronary angiography in the step-and-shoot mode: diagnostic performance. Heart. 2008;94:1132–1137
  8. Maruyama T, Takada M, Hasuike T, et al. Radiation dose reduction and coronary assessability of prospective electrocardiogram-gated computed tomography coronary angiography: comparison with retrospective electrocardiogram-gated helical scan. J Am Coll Cardiol. 2008;52:1450–1455
  9. Herzog BA, Husmann L, Burkhard N, et al. Accuracy of low-dose computed tomography coronary angiography using prospective electrocardiogram-triggering: first clinical experience. Eur Heart J. 2008;29:3037–3042
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  16. Einstein AJ, Moser KW, Thompson RC, et al. Radiation dose to patients from cardiac diagnostic imaging. Circulation. 2007;116:1290–1305
  17. Austen WG, Edwards JE, Frye RL, et al. A reporting system on patients evaluated for coronary artery disease. Report of the Ad Hoc Committee for Grading of Coronary Artery Disease, Council on Cardiovascular Surgery, American Heart Association. Circulation. 1975;51:5–40
  18. Garcia MJ, Lessick J, Hoffmann MH. Accuracy of 16-row multidetector computed tomography for the assessment of coronary artery stenosis. JAMA. 2006;296:403–411
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  20. Greenland P, Bonow RO. How low-risk is a coronary calcium score of zero? The importance of conditional probability. Circulation. 2008;117:1627–1629
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  22. van Werkhoven JM, Schuijf JD, Gaemperli O, et al. Incremental prognostic value of multi-slice computed tomography coronary angiography over coronary artery calcium scoring in patients with suspected coronary artery disease. Eur Heart J. 2009 June 29;[Epub ahead of print]

 Supported by a grant from the Swiss National Science Foundation and by the ZIHP (Zurich Center for Integrative Human Physiology, University of Zurich, Switzerland).

PII: S1076-6332(09)00499-1

doi: 10.1016/j.acra.2009.09.007

Academic Radiology
Volume 17, Issue 2 , Pages 201-206 , February 2010

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