Clinical Outcomes of Self-Made Polyurethane-Covered Stent Implantation for the Treatment of Coronary Artery Perforations
Table 2
Lesion and procedural characteristics.
Patients (n = 24)
Perforation site
Main vessel perforation
LAD (%)
10 (41.7%)
LCX (%)
5 (20.8%)
RCA (%)
5 (20.8%)
Distal artery wire perforation (%)
2 (8.3%)
Collateral vessel perforation (%)
2 (8.3%)
Perforation grade (Ellis grade)
II (%)
7 (29.2%)
III (%)
17 (70.8%)
Lesion complexity
Types B2 and C (%)
22 (91.7%)
Chronic total occlusion (%)
14 (58.3%)
Calcification lesion (%)
10 (41.7%)
Bifurcation lesion (%)
8 (33.3%)
Torturous lesion (%)
3 (12.5%)
Device causing perforation
Balloon postdilatation (%)
8 (33.3%)
Stent (%)
5 (20.8%)
Balloon predilatation (%)
4 (16.7%)
Rotational atherectomy (%)
4 (16.7%)
Guide wire (%)
3 (12.5%)
IVUS (%)
3 (12.5%)
Guide extension catheter (%)
4 (16.7%)
Successful perforation sealing (%)
19 (79.2%)
Self-made CS details (n=31 stents)
Average number of CS implanted
1.3 ± 0.5
CS diameter (mm)
2.7 ± 0.4
CS length (mm)
21.1 ± 6.8
Data are shown as absolute numbers and percentage (%) or mean ± standard deviation. LAD: left anterior descending coronary artery; LCX: left circumflex coronary artery; RCA: right coronary artery; CS: covered stent; IVUS: intravascular ultrasound.
