Table 2 Findings from interventional and angiographic evaluations.

From: Intravascular ultrasound assessment of stent edge restenosis mechanisms and treatment outcomes following percutaneous coronary intervention

 

n = 126

Multivessel disease*

66(52.4)

Target lesion location

Left main coronary artery

1(0.8)

Left anterior descending coronary artery

69(54.8)

Left circumflex coronary artery

33(26.2)

Right coronary artery

23(18.3)

Bifurcation

23(18.3)

Ostial lesion

11(8.7)

Total occlusion

22(17.5)

Lesion length (mm)

7.3 (5.5, 12.1)

Predilatation

120(95.2)

Scoring/cutting balloon

104(82.5)

Noncompliant balloon

117(92.9)

Minimal lumen diameter (mm)

Pre- PCI

1.2 (0.8, 1.5)

Post- PCI

2.8 (2.6, 3.2)

Reference vessel diameter (mm)

2.68 ± 0.73

Diameter stenosis (%)

Pre- PCI

63.9 (51.1, 72.8)

Post- PCI

12.2 (6.9, 20.0)

Target lesion calcification

Moderate

19(15.1)

Severe

26(20.6)

Radiolucent mass

12(9.5)

SER treatment

New DES implantation

76(60.3)

DCB

50(39.7)

  1. Values are n (%), mean ± SD or median (first quartile, third quartile).
  2. PCI percutaneous coronary intervention, SER stent edge restenosis, DCB drug-coated balloon, DES drug-eluting stents.
  3. *Characterized by a diameter stenosis exceeding 50% in two or more major coronary epicardial arteries.