Table 2

Lesion and procedural characteristics

Totally treated lesions
Pre-NC
OPRENBIS
NCB cohort n=54
n=31
n=23
SCB cohort n=56
n=34
n=22
P value
AHA lesion classification0.17
 Type A1 (2%)0 (0%)
 Type B115 (28%)9 (16%)
 Type B219 (35%)18 (32%)
 Type C19 (35%)29 (52%)
Baseline calcification0.99
 None45 (83%)43 (77%)
 Moderate9 (17%)11 (20%)
 Severe0 (0%)2 (4%)
Bifurcation lesion3 (6%)14 (25%)0.16
Thrombus1 (2%)0 (0%)0.49
Lesion length (mm)19.3 (±10.1)21.1 (±9.4)0.25
Direct stenting0 (0.0%)2 (3.6%)0.50
Predilatations—number of balloons7263
Predilatation balloon diameter (mm)2.8 (±0.5)2.8 (±0.4)0.19
 1.53 (4%)0 (0%)
 2.08 (11%)4 (6%)
 2.522 (31%)29 (46%)
 3.027 (38%)24 (38%)
 3.511 (15%)6 (10%)
 4.01 (1%)0 (0%)
Predilatation pressure (atm)24.2 (±6.6)14 (±3.3)<0.0001
Implanted stents72740.72
 Drug-eluting stents30 (42%)33 (45%)
 Bioresorbable vascular scaffolds42 (58%)41 (55%)
Stent diameter (mm)3.1 (±0.4)3.2 (±0.5)0.38
 2.00 (0%)1 (1%)
 2.252 (3%)0 (0%)
 2.57 (9%)11 (15%)
 2.751 (1%)3 (4%)
 3.035 (49%)23 (31%)
 3.525 (35%)30 (41%)
 4.02 (3%)6 (8%)
Stent length (mm)22.1 (±7.0)24.4 (±8.3)0.07
Stent implantation pressure (atm)13.2 (±2.5)13.2 (±2.6)
Postdilatations—number of lesions41 (76%)46 (82%)0.57
Postdilatations—number of balloons6068
Postdilatation balloon diameter (mm)3.3 (±0.5)3.6 (±0.5)0.95
 2.01 (2%)1 (1%)
 2.55 (9%)3 (4%)
 3.016 (28%)18 (27%)
 3.527 (47%)29 (43%)
 4.09 (10%)14 (21%)
 4.51 (2%)2 (3%)
 5.01 (2%)1 (1%)
Postdilatation pressure (atm)22.8 (±8.3)23.5 (±8.6)0.82
  • AHA, American Heart Association; NCB, non-compliant balloon; SCB, semi-compliant balloon.