Table 2. CT evaluation.
FFR CT >0.8 | FFR CT ≤0.8 | |
---|---|---|
Plaque rupture (n, %) | 1 [9] | 10 [91] |
CT anatomical evaluation | ||
Mild stenosis (n, %) | 9 [100] | 0 [0] |
Moderate stenosis (n, %) | 6 [67] | 3 [33] |
Severe stenosis (n, %) | 1 [17] | 8 [83] |
CT high-risk plaque features | ||
Positive remodeling (n, %) | 7 [44] | 9 [56] |
Low attenuation plaque (n, %) | 1 [33] | 2 [67] |
Spotty Calcification (n, %) | 1 [50] | 1 [50] |
Napkin ring sign (n, %) | 0 [0] | 1 [100] |
CT evaluation of plaque rupture, anatomical stenosis and high-risk plaque features stratified according to FFRCT results. A positive FFRCT result was defined as ≤0.8, a negative FFRCT as >0.8. Coronary artery stenosis was subdivided into mild (25–49%), moderate (50–69%) and severe (70–99%).