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  • high diagnostic accuracy, often equivalent to the gold standard of ICA.
    • requires thin detector collimation (detector width of 0.625 or less), thin slice reconstruction (image thickness ?1.0 mm)
    • cardiac gating (often requiring
    • beta blockers for ideal heart rate).
    • Coronary CTA provides unparalleled spatial resolution compared to other non-invasive modalities.
      The accuracy and reliability of corona

References 1- 3 noted stenosis of equal or greater than 50% with high sensitivity (85% to 99%) and high negative predictive value (NPV), ranging between 83% and 99% Meijboom , Budoff,  Miller,

Pundziute G, et al – 16 month follow up and found that the first year rate of MACE in patients with normal coronary arteries on coronary CTA was 0%.

 

  • Links and References

  1. 1. Budoff MJ, et al Diagnostic performance of 64- multidetector row coronary computed tomographic angiography for evaluation of coronary artery stenosis in individuals without known coronary artery disease: results from the prospective multicenter
    ACCURACY (Assessment by Coronary Computed Tomographic Angiography of Individuals Undergoing Invasive Coronary Angiography) trial. J Am Coll Cardiol. 2008;52:1724 ? 1732.2.
  2. Miller JM, et al  Diagnostic performance of coronary angiography by 64-row CT. N Engl J Med. 2008;359: 2324 ? 2336.
  3. 3. Meijboom WB, et al Diagnostic accuracy of 64-slice computed tomography coronary angiography: a prospective, multicenter,
  4. Pundziute G, et al  Prognostic value of multislice computed tomography coronary angiography in patients with
    known or suspected coronary artery disease. JACC 2007; 49: 62-70.