Demographic data according to imaging method_
| OCT (N = 25) | IVUS (N = 25) | Stat. test | P-value | |
|---|---|---|---|---|
| Age (years) | 63.8 ± 10.01 | 64.4 ± 12.8 | T = 0.16 | 0.874 NS |
| Sex | Male: 14 (56%) | Male: 13 (52%) | X2 = 0.081 | 0.777 NS |
| Female: 11 (44%) | Female: 12 (48%) |
Management according to imaging method_
| Management | OCT (N = 25) | IVUS (N = 25) | X2 | P-value |
|---|---|---|---|---|
| NC | 5 (20%) | 2 (8%) | 1.49 | 0.221 NS |
| DCB | 13 (52%) | 9 (36%) | 1.29 | 0.254 NS |
| DES | 9 (36%) | 14 (56%) | 2.01 | 0.156 NS |
Time since stent implantation_
| OCT (N = 25) | IVUS (N = 25) | P-value | |
|---|---|---|---|
| <1 year | 5 | 6 | 0.8 |
| 1-3 years | 13 | 12 | 0.85 |
| >3 years | 7 | 7 | 0.72 |
MLA and plaque burden according to imaging method_
| OCT (N = 25) | IVUS (N = 25) | T | P-value | |
|---|---|---|---|---|
| MLA | 2.35 ± 0.85 | 2.38 ± 0.77 | 0.12 | 0.904 NS |
| Plaque burden | 78.6 ± 11.6 | 77.7 ± 11.4 | 0.28 | 0.779 NS |
Echocardiographic findings according to imaging method_
| OCT (N = 25) | IVUS (N = 25) | T | P-value | |
|---|---|---|---|---|
| LVEDD (mm) | 51.1 ± 6.8 | 54.1 ± 6.0 | 1.65 | 0.105 NS |
| LVESD (mm) | 36.4 ± 7.7 | 39.7 ± 7.5 | 1.52 | 0.135 NS |
| EF (%) | 54.7 ± 9.8 | 50.6 ± 9.5 | 1.51 | 0.137 NS |
Cause of in-stent restenosis according to imaging method_
| Cause of Stent Failure | OCT (N = 25) | IVUS (N = 25) | X2 | P-value |
|---|---|---|---|---|
| Malapposition | 12 (48%) | 4 (16%) | 5.9 | 0.015 S |
| Under-expansion | 6 (24%) | 12 (48%) | 3.12 | 0.077 NS |
| Edge dissection | 6 (24%) | 3 (12%) | 1.22 | 0.269 NS |
| Neoatherosclerosis | 13 (52%) | 5 (20%) | 5.55 | 0.018 S |
| Neointimal hyperplasia | 4 (16%) | 5 (20%) | 0.13 | 0.713 NS |
Culprit vessel according to imaging method_
| Culprit Vessel | OCT (N = 25) | IVUS (N = 25) | X2 | P-value |
|---|---|---|---|---|
| LM | 2 (8%) | 5 (20%) | 1.49 | 0.221 NS |
| LAD | 15 (60%) | 17 (68%) | 0.34 | 0.556 NS |
| LCX | 8 (32%) | 3 (12%) | 2.9 | 0.088 NS |
| RCA | 2 (8%) | 5 (20%) | 1.49 | 0.221 NS |