Table 5.
Optical coherence tomography analysis at 12 months
| Stent type | BiOSS LIM® | Prolim® | Alex® | |
|---|---|---|---|---|
| Parameter | n = 11 (%) | n = 29 (%) | n = 16 (%) | |
| Stent apposition | ||||
| Embedded | 95.8 | 98.6 | 99.2 | 0.00001*,*** |
| Protruding | 2.5 | 1.2 | 0.8 | 0.0054*,*** |
| Uncovered | 1.3 | 0.07 | 0.02 | 0.002*,*** |
| Malapposed | 0.4 | 0.1 | 0 | 0.45 |
| OCT parameters | ||||
| Mean minimal lumen area (mm2) | 3.72 ± 0.57 | 4.82 ± 1.41 | 5.22 ± 1.95 | 0.027*** |
| Mean lumen area (mm2) | 5.76 ± 0.73 | 6.21 ± 1.10 | 6.46 ± 1.8 | 0.35 |
| Mean stent area (mm2) | 8.31 ± 0.4 | 8.39 ± 2.26 | 7.94 ± 1.84 | 0.7 |
| Mean neointima area (mm2) | 2.55 ± 0.41 | 2.17 ± 0.37 | 1.49 ± 0.60 | 0.012*,*** |
| Neointima volume (mm3) | 44.9 ± 4.9 | 28.16 ± 15.10 | 24.51 ± 17.64 | 0.0008*,*** |
| Mean neointima burden (%) | 30.9 ± 6.2 | 24.6 ± 8.6 | 19.27 ± 8.11 | 0.0009*** |
| Neoatherosclerosis assessment | ||||
| Type I (thin cap, lipid-rich) | 1 (9.1) | 1 (3.4) | 0 | 0.92 |
| Type II (thick cap, layered) | 2 (18.2) | 4 (13.8) | 2 (12.5) | 0.97 |
| Type III (peristrut, homogenous) | 6 (54.5) | 10 (34.5) | 3 (18.8) | 0.25 |
| Type IV (preexisting, homogenous) | 2 (18.2) | 14 (48.3) | 11 (68.7) | 0.09 |
*p < 0.05 for Prolim vs. BiOSS LIM; **p < 0.05 Prolim vs. Alex; ***p < 0.05 BiOSS LIM vs. Alex