Research Article
Serial Changes of Neointimal Tissue after Everolimus-Eluting Stent Implantation in Porcine Coronary Artery: An Optical Coherence Tomography Analysis
Table 2
Optical coherence tomographic findings of the maximum neointima site at 1, 3, and 6 months after stent implantation.
| | | Bare-metal stent () | Everolimus-eluting stent () | | | 1 month | 3 months | 6 months | 1 month | 3 months | 6 months |
| | Quantitative analyses | | | | | | | | Stent volume, mm3 | 24.5 (21.4–27.4) | 24.3 (21.8–26.9) | 23.3 (21.4–26.5) | 25.5 (20.7–27.2) | 25.5 (20.4–27.6) | 24.7 (19.9–27.9) | | Lumen volume, mm3 | 16.7 (14.1–20.2) | 17.5 (15.7–20.6) | 17.6 (14.4–20.8) | 18.7 (16.5–21.4) | 12.6 (11.5–17.6) | 15.5 (13.3–18.3) | | Neointima volume, mm3 | 7.3 (4.7–8.4) | 6.9 (4.6–8.2) | 6.4 (4.3–7.4) | 4.8 (4.1–7.6) | 9.8 (5.7–15.1) | 8.6 (6.0–11.2) | | Qualitative analyses | | | | | | | | Homogeneous, % | 12 (80.0) | 14 (93.3)* | 15 (100) | 11 (73.3) | 5 (33.3) | 12 (80.0) | | Layered, % | 3 (20.0) | 1 (6.7)* | 0 (0) | 4 (26.7) | 10 (66.7) | 3 (20.0) |
|
|
, comparing bare-metal stent with everolimus-eluting stent.
|
