Results of quantitative coronary angiography
| Overall (n=67) | In-stent restenosis (n=46) | De novo/restenosis (n=21) | p Value | |
|---|---|---|---|---|
| Data are mean (SD). | ||||
| Lesion length (mm) | 23.56 (20.38) | 26.13 (22.93) | 17.94 (11.77) | 0.058 |
| Pre-intervention | ||||
| Reference lumen diameter (mm) | 4.19 (0.52) | 4.22 (0.52) | 4.15 (0.54) | 0.626 |
| Minimum lumen diameter (mm) | 0.73 (0.62) | 0.75 (0.61) | 0.69 (0.67) | 0.738 |
| Diameter stenosis (%) | 82 (15) | 82 (15) | 84 (15) | 0.617 |
| Postintervention | ||||
| Reference lumen diameter (mm) | 4.21 (0.53) | 4.23 (0.53) | 4.15 (0.54) | 0.560 |
| Minimum lumen diameter (mm) | 3.77 (0.69) | 3.64 (0.68) | 4.05 (0.65) | 0.023 |
| Diameter stenosis (%) | 11 (11) | 14 (11) | 3 (7) | <0.001 |
| At follow up | ||||
| Reference lumen diameter (mm) | 4.20 (0.53) | 4.23 (0.55) | 4.13 (0.51) | 0.510 |
| Minimum lumen diameter (mm) | 2.94 (1.50) | 2.69 (1.42) | 3.53 (1.56) | 0.049 |
| Diameter stenosis (%) | 31 (34) | 37 (32) | 18 (34) | 0.047 |
| Binary restenosis (%) | 18.6 | 21.4 | 11.8 | 0.388 |
| Change in minimum lumen diameter | ||||
| Acute gain (mm) | 3.02 (0.88) | 2.87 (0.90) | 3.35 (0.77) | 0.038 |
| Late loss (mm) | 0.86 (1.25) | 1.02 (1.27) | 0.48 (1.14) | 0.128 |
| Net gain (mm) | 2.15 (1.54) | 1.95 (1.55) | 2.64 (1.45) | 0.094 |