Table 2.
Lesion and Procedural Characteristics
| n=334 | |
|---|---|
| Diagnosis at the time of PCI | |
| Acute coronary syndrome | 38 (11.4) |
| Acute myocardial infarction | 14 (4.2) |
| Unstable angina | 24 (7.2) |
| Chronic coronary syndrome | 296 (88.6) |
| Target vessel | |
| Left anterior descending artery | 197 (59.0) |
| Left circumflex artery | 35 (10.5) |
| Right coronary artery | 87 (26.0) |
| Left main trunk | 15 (4.5) |
| Bifurcation | 199 (59.6) |
| Chronic total occlusion | 16 (4.8) |
| Maximum pre-dilatation balloon diameter (mm) | 2.9±0.43 |
| Maximum stent diameter (mm) | 3.2±0.42 |
| Total stent length (mm) | 38.4±16.5 |
| Pre-lesion length (mm) | 38.4±19.7 |
| Pre-diameter stenosis (%) | 70.9±12.2 |
| Post-diameter stenosis (%) | 16.9±13.9 |
| Scoring or cutting balloon | 212 (63.5) |
| Maximum burr size (mm) | |
| 1.25 | 33 (9.9) |
| 1.50 | 135 (40.4) |
| 1.75 | 100 (29.9) |
| 2.00 | 62 (18.6) |
| 2.25 | 4 (1.2) |
| Slow flow/no reflow | 37 (11.1) |
| Atrioventricular block during PCI | 45 (13.5) |
| Troponin I after PCI (ng/mL) | 0.94±3.32 |
| CK after PCI (U/L) | 221±342 |
| CK-MB after PCI (ng/mL) | 22.9±45.4 |
| Type of stent | |
| Second- and third-generation DES | 283 (84.7) |
| DCS | 30 (9.0) |
| DCB | 21 (6.3) |
| Second- and third-generation DES+DCS | 1 (0.3) |
| Imaging device | |
| IVUS | 237 (70.9) |
| OCT | 74 (22.2) |
| IVUS+OCT | 23 (6.9) |
Data are presented as mean±SD, or n (%). CK, creatine kinase; DCB, drug-coated balloon; DCS, drug-coated stent; DES, drug-eluting stent; IVUS, intravascular ultrasound; OCT, optical coherence tomography; PCI, percutaneous coronary intervention.