Research Article

Efficacy of Low-Pressure Inflation of Oversized Drug-Coated Balloon for Coronary Artery Disease

Table 4

Procedural and follow-up quantitative angiographic characteristics in the matched cohorts.

LP group (n = 125)SP group (n = 125) value

Number of patients108113

At PCI
 Reference diameter (mm)2.50 ± 0.692.55 ± 0.660.58
 Lesion length (mm)10.05 ± 5.1810.63 ± 5.850.40

MLD (mm)
  Preintervention0.96 ± 0.450.94 ± 0.460.76
  Postintervention1.82 ± 0.601.85 ± 0.480.63

Percent diameter stenosis
  Preintervention (%)61.6 ± 14.263.2 ± 14.50.39
  Postintervention (%)26.5 ± 12.024.5 ± 11.10.17

Acute gain (mm)0.86 ± 0.520.91 ± 0.460.41

Type of dissection (NHLBI)0.30
   A16 (12.8)15 (12.0)
   B11 (8.8)16 (12.8)
   C7 (5.6)2 (1.6)

Bailout stenting after DCB0 (0)0 (0)

At follow-up

Number of patients8187

Angiography (%)95 (76.0)99 (79.2)0.65
  MLD (mm)1.85 ± 0.611.87 ± 0.570.82
  % diameter stenosis (%)29.4 ± 15.526.0 ± 15.80.13
  Late lumen loss (mm)−0.00 ± 0.40−0.01 ± 0.420.94
  Restenosis (%)7 (7.4)7 (7.1)1.00

DCB, drug-coated balloon; MLD, minimal lumen diameter; PCI, percutaneous coronary intervention.