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A Comparative Regional Analysis of Coronary Atherosclerosis and Calcium Score on Multislice CT Versus Myocardial Perfusion on SPECT

Joanne D. Schuijf1–3,, William Wijns4, J. Wouter Jukema1,3, Isabel DeCramer4, Douwe E. Atsma1, Albert de Roos2, Marcel P.M. Stokkel5, Petra Dibbets-Schneider5, Ernst E. van der Wall1,3 and Jeroen J. Bax1

1 Department of Cardiology, Leiden University Medical Center, Leiden, The Netherlands; 2 Department of Radiology, Leiden University Medical Center, Leiden, The Netherlands; 3 Interuniversity Institute of The Netherlands, Utrecht, The Netherlands; 4 Cardiovascular Center, Aalst, Belgium; and 5 Department of Nuclear Medicine, Leiden University Medical Center, Leiden, The Netherlands


Figure 1
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  		FIGURE 1.  Distribution of coronary calcium score categories (per coronary artery).

 

Figure 2
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  		FIGURE 2.  Results per coronary artery and perfusion territory: average coronary calcium scores (+95% CI) per coronary artery (A), multislice CT results per coronary artery (B), and SPECT results per coronary perfusion territory (C). LAD = left anterior descending coronary artery; LCx = left circumflex coronary artery; RCA = right coronary artery.

 

Figure 3
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  		FIGURE 3.  Distribution of normal (n = 316) and abnormal (n = 67) vessel-based myocardial perfusion on SPECT among coronary calcium score categories.

 

Figure 4
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  		FIGURE 4.  Relationship between calcium and perfusion: prediction of normal perfusion (A) and prediction of abnormal perfusion (B).

 

Figure 5
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  		FIGURE 5.  Relationship between stenosis severity on multislice CT (MSCT) and myocardial perfusion on SPECT.

 

Figure 6
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  		FIGURE 6.  Relationship between multislice CT (MSCT) and SPECT: prediction of normal and abnormal perfusion (A) and prediction of normal and significantly or insignificantly stenosed coronary arteries (B).

 

Figure 7
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  		FIGURE 7.  Relationship between multislice CT (MSCT) and SPECT per coronary artery/vascular territory.

 




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