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In Vivo Quantitative Assessment of Myocardial Structure, Function, Perfusion and Viability Using Cardiac Micro-computed Tomography
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Myocardial CT perfusion for the prediction of obstructive coronary artery disease, valuable or not?

Alexander R van Rosendael1, Michiel A de Graaf1, Arthur J Scholte1

  • 11 Department of Cardiology, Leiden University Medical Center, Leiden, The Netherlands ; 2 The Interuniversity Cardiology Institute of The Netherlands, Utrecht, The Netherlands.

Cardiovascular Diagnosis and Therapy
|March 17, 2015
PubMed

Insights

Adenosine stress myocardial computed tomography perfusion (CTP) offers valuable insights into coronary artery disease (CAD). This technique, combined with coronary CT angiography (CTA), aids in diagnosing significant blockages, rivaling traditional methods like SPECT MPI.

Area of Science:

  • Cardiovascular imaging
  • Radiology
  • Medical diagnostics

Background:

  • Adenosine stress myocardial computed tomography perfusion (CTP) is an emerging technique.
  • CTP, alongside coronary CT angiography (CTA), provides both anatomical and functional data for coronary artery disease (CAD).
  • Previous research indicates the combined approach is effective in identifying hemodynamically significant stenoses.

Purpose of the Study:

  • To evaluate the diagnostic performance of CTP compared to single positron emission computed tomography (SPECT) myocardial perfusion imaging (MPI).
  • To assess the ability of CTP to diagnose obstructive coronary artery disease (CAD), defined as ≥50% luminal stenosis.
  • To discuss the results, limitations, and future opportunities of CTP in CAD assessment.

Main Methods:

  • Secondary analysis of the CORE320 study data.
  • Comparison of diagnostic performance between CTP and SPECT MPI.
  • Utilized coronary CT angiography (CTA) for anatomical assessment.

Main Results:

  • The study compared the diagnostic accuracy of CTP against SPECT MPI.
  • Obstructive CAD was defined as a ≥50% luminal stenosis.
  • Results from the CORE320 study secondary analysis were discussed.

Conclusions:

  • Adenosine stress CTP, in conjunction with CTA, shows promise for diagnosing significant CAD.
  • CTP offers a potentially valuable alternative to SPECT MPI for evaluating myocardial perfusion.
  • Further research and clinical integration of CTP are warranted.

Keywords:
Coronary artery diseaseimagingischemiamyocardial CT perfusion

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