TABLE 3.
Optical coherence tomography entire stent segment findings
| BP‐EES | DP‐EES | p‐value | |
|---|---|---|---|
| Baseline post‐PCI | 38 lesions | 45 lesions | |
| Minimum stent area, mm2 | 6.46 ± 2.53 | 5.82 ± 2.19 | 0.22 |
| Mean stent area, mm2 | 8.04 ± 2.68 | 7.50 ± 2.32 | 0.32 |
| Conventional stent expansion, % | 77.5 ± 14.1 | 71.8 ± 12.9 | 0.06 |
| Minimum H‐K stent expansion, % | 81.2 ± 14.0 | 74.9 ± 12.5 | 0.052 |
| Eccentricity index | 0.81 ± 0.07 | 0.81 ± 0.08 | 0.96 |
| Asymmetry index | 0.28 ± 0.10 | 0.31 ± 0.10 | 0.27 |
| Lipidic plaque behind stent | 35 (92.1) | 41 (91.1) | 1.00 |
| Follow‐up | 40 lesions | 46 lesions | |
| Minimum lumen area, mm2 | 5.92 ± 2.43 | 5.27 ± 2.24 | 0.20 |
| Percent NIH area at MLA site, % | 15.2 ± 11.5 | 13.2 ± 12.2 | 0.45 |
| Percent NIH volume, % | 7.5 ± 4.7 | 7.3 ± 5.3 | 0.85 |
| NIH thickness, μm | 70.0 ± 33.9 | 67.2 ± 33.9 | 0.71a |
Note: Values are n (%), mean ± SD.
Abbreviations: BP‐EES, bioresorbable polymer everolimus‐eluting stent; DP‐EES, durable polymer everolimus‐eluting stent; H‐K, Huo‐Kassab; MLA, minimum lumen area; NIH, neointimal hyperplasia; PCI, percutaneous coronary intervention.
a
Strut level comparison using each individual strut with clustering adjusting.