Abstract
Abstract The aim was to study the feasibility of syntax score calculation with Multislice Computed Tomographic Angiography (MSCTA). Methods Syntax score was calculated and compared for 91 consecutive patients underwent MSCTA and Invasive coronary angiography (ICA). Results MSCTA for the diagnosis of >50 % stenosis per coronary artery showed that MSCTA had a specificity, sensitivity, specificity, negative predictive value and accuracy of 92.2% (217/235), 97.1% (125/129), 98.2% (217/221), and 94.3% (364/386) respectively. Agreement between modalities was high with a kappa of 0.74. There was a positive correlation between MSCTA and ICA Syntax scores ( r = 0.73, p = 0.000). The mean Syntax score was 15.8 ± 7.16 for ICA versus 16.3 ± 7.6 for MSCTA (Kappa of Cohen 0.66, p = 0.000). The Bland–Altman plot revealed that the estimated bias was 1.9 ± 3.4 and the most bias occurred with a higher syntax score. Lesions per patient were more identified with MSCTA than ICA (2.5 ± 1.4 vs. 1.9 ± 1.1, p p p Conclusion MSCTA showed a good level of agreement with ICA in syntax score calculation.
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