Table 2

Procedural Characteristics

All DCB Population, Native Vessels
(N = 156)
No Dissection Cohort
(n = 104)
Dissection Cohort
(n = 52)
p Value
Radial approach144 (92.3)96 (92.3)48 (92.3)0.95
Total occlusion18 (11.5)9 (8.7)9 (17.3)0.47
Reference vessel diameter, mm2.83 (2.12–3.01)2.87 (2.15–3.0)2.80 (2.07–2.97)0.21
Minimal lumen diameter, mm0.4 (0.0–0.73)0.37 (0.03–0.65)0.41 (0.00–0.79)0.11
Stenosis severity, %83 (72–100)82 (71–100)84 (70–100)0.18
Lesion length, mm21 (10–33)19 (10–28)22 (12–33)0.10
Severe-moderate calcification (visual estimation)100 (64.1)60 (57.7)40 (76.9)0.01
Pre-dilation balloon diameter, mm2.45 (2.0–3.0)2.35 (2.0–3.0)2.5 (2.0–3.0)0.04
DCB diameter, mm2.55 (2.0–3.0)2.50 (2.0–3.0)2.60 (2.0–3.0)0.035
DCB length, mm25 (15–30)24 (15–30)25 (15–30)0.37
Max pressure during DCB angioplasty, atm12 (8–14)11 (9–14)12 (8–15)0.49
DCB inflation duration, s35 (30–45)37 (32–45)34 (30–42)0.33
OCT/IVUS guidance15 (9.6)11 (10.6)4 (7.7)0.13
Minimal lumen diameter after PCI, mm2.21 (1.75–2.67)2.17 (1.75–2.58)2.24 (1.84–2.67)0.22
Procedural success156 (100)104 (100)52 (100)0.87
Periprocedural myocardial infarction21 (13.5)13 (12.5)8 (15.4)0.42
Bivalirudin15 (9.6)9 (8.7)6 (11.5)0.23
Dual antiplatelet therapy
 ASA + clopidogrel130 (83.3)85 (81.7)45 (86.5)0.24
 ASA + ticagrelor/prasugrel26 (16.7)19 (18.3)7 (13.5)0.36

Values are n (%) or median (interquartile range). Values in bold have reached statistical significance.

ASA = acetylsalicylic acid; DCB = drug-coated balloon; IVUS = intravascular ultrasound; OCT = optical coherence tomography; PCI = percutaneous coronary intervention.