Research Article

In-Hospital and 1-Year Clinical Results from the French Registry Using Polymer-Free Sirolimus-Eluting Stents in Acute Coronary Syndrome and Stable Coronary Artery Disease

Table 2

Lesion and procedural characteristics.

VariableAll patientsStable CADACSvalue

Lesion morphologies
Number of patients1456895561
205 STEMI
Number of lesions20791302777
Number of DES used21101323787
Target vessel lesions
 LAD921 (44.3%)579 (44.5%)342 (44.0%)0.057
 CX521 (25.1%)339 (26.0%)182 (23.4%)
 RCA634 (30.5%)384 (29.5%)250 (32.2%)
 Graft3 (0.1%)0 (0.0%)3 (0.4%)
Thrombus burden138 (6.6%)13 (1.0%)125 (16.1%)<0.001
Total occlusion276 (13.3%)77 (5.9%)199 (25.6%)<0.001
Chronic total occlusion45 (2.2%)36 (2.8%)9(1.2%)0.015
Diffuse vessel disease640 (30.8%)416 (32.0%)224 (28.8%)0.136
Calcification364 (17.5%)234 (18.0%)130 (16.7%)0.471
Ostial lesion164 (7.9%)104 (8.0%)60 (7.7%)0.828
Bifurcations341 (16.4%)221(17.0%)120 (15.4%)0.362
Severe tortuosity87 (4.2%)55 (4.2%)32 (4.1%)0.907
De novo2027 (97.5%)1269 (97.5%)758 (97.6%)0.605
BMS-ISR14 (0.7%)10 (0.8%)4 (0.5%)
DES-ISR22 (1.1%)15 (1.2%)7 (0.9%)
Unknown stent ISR16 (0.8%)8 (0.6%)8 (1.0%)

AHA/ACC type lesions
 A197 (9.5%)144 (11.1%)53 (6.8%)<0.001
 B11169 (56.2%)749 (57.5%)420 (54.1%)
 B2409 (19.7%)228 (17.5%)181 (23.3%)
 C304 (14.6%)181 (13.9%)123 (15.8%)
Reference diameter (mm)2.88 ± 0.472.84 ± 0.452.93 ± 0.48<0.001
Lesion length17.3 ± 7.517.3 ± 7.617.3 ± 7.50.915
Degree of stenosis (%)83.4 ± 12.580.9 ± 12.587.7 ± 11.3<0.001

Procedural data
Radial access1349 (92.7%)825 (92.3%)524 (93.4%)0.423
Predilation per lesion1221 (58.7%)766 (58.8%)455 (58.6%)0.902
DES per patient1.40 ± 0.661.41 ± 0.671.38 ± 0.660.461
DES diameter (mm)2.87 ± 0.462.83 ± 0.452.81 ± 0.47<0.001
DES length (mm)20.6 ± 8.020.4 ± 8.021.0 ± 8.00.083
DES inflation pressure (atm)14.4 ± 2.414.3 ± 2.414.7 ± 2.50.001
Overall technical success per stent2094 (99.2%)1308 (98.9%)787 (99.9%)0.010