Lesion characteristics and procedural data
Variable | All patients | Stable CAD | ACS | p Value Stable CAD vs ACS |
No of lesions | 3254 | 2031 | 1223 | – |
Target vessel, n (%) | ||||
Left Anterior Descending (LDA) | 1374 (42.2) | 846 (41.7) | 528 (43.2) | 0.835 |
Left Circumflex (LCX) | 863 (26.5) | 543 (26.7) | 320 (26.2) | |
Right Coronary Artery (RCA) | 987 (30.3) | 624 (30.7) | 363 (29.7) | |
Graft | 30 (09.9) | 18 (0.9) | 12 (1.0) | |
Multivessel disease, n (%) | ||||
1-vessel | 2676 (93.0) | 1671 (93.2) | 1005 (92.7) | 0.850 |
2-vessel | 187 (6.5) | 113 (6.3) | 74 (6.8) | |
3-vessel | 14 (0.5) | 9 (0.5) | 5 (0.5) | |
Thrombotic occlusion, n (%) | 373 (11.5) | 73 (3.6) | 300 (24.5) | <0.001 |
Chronic total occlusion, n (%) | 129 (4.0) | 104 (5.1) | 25 (2.0) | <0.001 |
Thrombus burden, n (%) | 463 (14.2) | 155 (7.6) | 308 (25.2) | <0.001 |
Diffuse vessel disease, n (%) | 1520 (46.7) | 954 (47.0) | 566 (46.3) | 0.701 |
Calcification, n (%) | 1020 (31.3) | 657 (32.3) | 363 (29.7) | 0.112 |
Ostial lesion, n (%) | 317 (9.7) | 202 (9.9) | 115 (9.4) | 0.613 |
Bifurcations, n (%) | 446 (13.7) | 284 (14.0) | 162 (13.2) | 0.554 |
In-stent restenosis, n (%) | 108 (3.3) | 83 (4.1) | 25 (2.0) | 0.002 |
Severe tortuosity, n (%) | 346 (10.6) | 226 (11.1) | 120 (9.8) | 0.238 |
Saphenous vein graft, n (%) | 37 (1.1) | 20 (1.0) | 17 (1.4) | 0.291 |
AHA/ACC type B2/C lesion, n (%) | 1819 (55.9) | 1159 (57.1) | 660 (54.0) | 0.085 |
Reference diameter (mm) | 2.83±0.51 | 2.84±0.48 | 2.81±0.54 | 0.118 |
Lesion length (mm) | 20.1±12.1 | 20.5±13.1 | 19.4±10.1 | 0.011 |
Degree of stenosis (%) | 86.9±11.0 | 85.0±10.7 | 89.9±11.0 | <0.001 |
Predilation, n (%) | 1218 (37.4) | 780 (38.4) | 438 (35.8) | 0.139 |
DESs used | 3858 | 2453 | 1405 | – |
DES per patient | 1.33±0.75 | 1.36±0.79 | 1.29±0.67 | 0.031 |
DES diameter (mm) | 2.83±0.49 | 2.83±0.46 | 2.81±0.53 | 0.129 |
DES length (mm) | 21.9±9.9 | 22.1±10.5 | 21.5±8.9 | 0.115 |
DES inflation pressure (atm) | 14.0±3.0 | 13.9±3.1 | 14.1±2.9 | 0.085 |
Final result stenosis (%) | 1.8±6.4 | 1.9±6.4 | 1.7±6.5 | 0.541 |
Overall technical success per stent, n (%) | 3790 (98.2) | 2413 (98.4) | 1377 (98.0) | 0.411 |
ACC, American College of Cardiology; ACS, acute coronary syndrome; AHA, American Heart Association; atm, atmosphere; CAD, coronary artery disease; CX, circumflex; DES, drug-eluting stents; LAD, left anterior descending artery; RCA, right coronary artery.