Table 3. Vessel Characteristics.
Variable | |
---|---|
Vessels studied | |
LAD or diagonal | 41 (68.3) |
Cx or OM | 13 (21.7) |
Ramus intermedius | 1 (1.7) |
RCA, PDA or R-PLV | 5 (8.3) |
QCA | |
Mean diameter stenosis, % | 33.8 ± 12.0 |
Number of vessels with diameter stenosis ≥50% | 6/60 (10.0) |
Number of patients with diameter stenosis ≥50 | 6/39 (15.4 |
Coronary CTA | |
Number of vessels with CTA maximum stenosis ≥50% | 21 (35.0) |
Number of patients with CTA maximum stenosis ≥50% | 16 (41.0) |
Mean FFR | 0.83 ± 0.10 |
Vessels with FFR ≤0.80 | 23/60 (38.3) |
Patients with FFR ≤0.80 | 17/39 (43.6) |
Mean CT-FFR | 0.77 ± 0.14 |
Vessels with CT-FFR ≤0.80 | 25/60 (41.7) |
Patients with CT-FFR ≤0.80 | 18/39 (46.1) |
Values are presented as n (%) or mean ± SD; CTA, CT computed tomography angiography; CT-derived fractional flow reserve; Cx, circumflex; FFR, fractional flow reserve; LAD, left anterior descending; OM, obtuse marginal; PDA, posterior descending artery; QCA, quantitative coronary angiography; RCA, right coronary artery; R-PLV, right posterior left ventricular.