Table 2.
Lesion and procedural characteristics.
| Variable | Value |
|---|---|
| Culprit lesion location | |
| LAD | 41 (44.6%) |
| LCx | 11 (12.0%) |
| RCA | 40 (43.5%) |
|
| |
| Angiographic parameters | |
| Reference diameter (mm) | 2.98 ± 0.51 |
| Lesion length (mm) | 19.0 ± 4.0 |
| Minimal lumen diameter (mm) | 0.15 ± 0.26 |
| Diameter stenosis (%) | 94.6 ± 9.1 |
|
| |
| Initial TIMI flow grade | |
| TIMI 0 | 64 (69.6%) |
| TIMI 1 | 23 (25.0%) |
| TIMI 2 | 5 (5.4%) |
|
| |
| Access site and the size of guide catheter | |
| Transradial (6 Fr) | 84 (91.3%) |
| Transfemoral (6 Fr/8 Fr) | 7/1 (7.6%/1.1%) |
|
| |
| Laser catheter used | |
| 1.4 c | 15 (16.3%) |
| 1.7 c | 74 (80.4%) |
| 1.7 e | 2 (2.2%) |
| 2.0 c | 1 (1.1%) |
| Maximum energy fluency (J) | 56.9 ± 6.2 |
| Maximum repetition rate (Hz) | 27.7 ± 5.7 |
| Laser pulses delivered | 2,338 ± 1,380 |
|
| |
| Final device | |
| DCB | 87 (94.6%) |
| Size of DCB (mm) | 3.28 ± 0.46 |
| Total length of DCB (mm) | 28.8 ± 12.0 |
| DES | 5 (5.4%) |
| Size of DES (mm) | 3.35 ± 0.22 |
| Total length of DES (mm) | 34.8 ± 12.1 |
DCB = drug-coated balloon; DES = drug-eluting stent; LAD = left anterior descending artery; LCx = left circumferential artery; RCA = right coronary artery; TIMI = thrombolysis in myocardial infarction.