Table 1. Baseline and procedural characteristics .
BMS (n = 94) | DES (n = 129) | p value | |
Age (years) | 72.5 ± 10.6 | 70.1 ± 11.6 | 0.11 |
Gender (male) | 81 (86.2%) | 106 (82.2%) | 0.47 |
Diabetes | 41 (43.6%) | 63 (48.8%) | 0.50 |
Hypertension | 79 (84.0%) | 98 (76.0%) | 0.18 |
Hypercholesterolemia | 49 (52.1%) | 68 (52.7%) | 1.00 |
Smoking | 49 (52.1%) | 57 (44.2%) | 0.28 |
Body mass index (Kg/m2) | 25.1 ± 4.2 | 25.0 ± 3.6 | 0.79 |
PAOD | 13 (13.8%) | 15 (11.6%) | 0.68 |
Previous MI | 29 (30.9%) | 40 (31.0%) | 1.00 |
Old stroke | 17 (18.1%) | 11 (8.5%) | 0.04 |
Chronic kidney disease | 44 (46.8%) | 48 (37.2%) | 0.17 |
eGFR | 62.6 ± 30.9 | 69.7 ± 32.0 | 0.10 |
LVEF (%) | 49.9 ± 12.6 | 48.0 ± 12.9 | 0.29 |
Clinical presentation | |||
Stable angina | 48 (51.1%) | 64 (49.6%) | 0.81 |
Unstable angina | 17 (18.1%) | 24 (18.6%) | 1.00 |
Non-ST elevation MI | 29 (30.9%) | 41 (31.8%) | 1.00 |
SYNTAX score (25%-75% range) | 30 (21-39) | 34 (22-45) | 0.05 |
SYNTAX score > 32 | 38 (40.4%) | 67 (51.9%) | 0.10 |
EuroSCORE (25%-75% range) | 8 (4-10) | 7 (3-10) | 0.10 |
EuroSCORE > 6 | 48 (51.1%) | 54 (41.9%) | 0.18 |
Lesion location, n (%) | |||
Ostial/shaft | 39 (42.5%) | 44 (34.1%) | 0.27 |
Bifurcation | 63 (67.0%) | 87 (67.4%) | 1.00 |
Extent of diseased vessel n (%) | |||
LM only | 10 (10.6%) | 7 (5.4%) | 0.20 |
LM plus 1-vessel disease | 18 (19.1%) | 18 (14.0%) | 0.36 |
LM plus 2-vessel disease | 29 (30.9%) | 39 (30.2%) | 1.00 |
LM plus 3-vessel disease | 37 (39.4%) | 65 (50.4%) | 0.13 |
RCA disease n(%) | 45 (47.9%) | 66 (51.2%) | 0.69 |
Stent length in LM (mm) | 17.3 ± 6.6 | 23.0 ± 6.9 | < 0.01 |
Stent diameter (mm) | 3.8 ± 0.7 | 3.6 ± 1.2 | 0.24 |
Bifuncation LM stenting (n = 150) | |||
Cross-over tech with 1 stent | 51 (81.0%) | 64 (73.6%) | 0.33 |
Technique with 2 stent | |||
T-stenting, n (%) | 8 (12.7%) | 12 (13.8%) | 1.00 |
Crush, n (%) | 0 | 4 (4.6%) | 0.14 |
Culottes, n (%) | 3 (4.8%) | 6 (6.9%) | 0.74 |
V stenting, n (%) | 1 (1.6%) | 2 (2.3%) | 1.00 |
Kissing post-dilation | 38 (40.4%) | 66 (51.2%) | 0.14 |
Use of glycoprotein IIb-IIIa inhibitors | 14 (14.9%) | 39 (30.2%) | 0.01 |
Use of IABP | 11 (11.7%) | 15 (11.6%) | 1.00 |
IVUS guidance | 5 (5.3%) | 36 (27.9%) | < 0.01 |
Rotablation | 1 (1.1%) | 13 (10.1%) | < 0.01 |
eGFR, estimated glomerular filtration rate; IABP, intraaortic balloon pump; IVUS, intravascular ultrasound; LM, left main coronary artery; LVEF, left ventricular ejection fraction; MI, myocardial infarction; PAOD, peripheral arterial obstructive disease; RCA, right coronary artery.