Table 2 Lesions and procedural characteristics
From: The role of optical coherence tomography guidance in scaffold versus stent optimization
Variable | Lesion based | ||
|---|---|---|---|
Absorb scaffold (N = 179) | Everolimus-DES (N = 65) | p value | |
Target vessel: | |||
 LM | 4 (2.2%) | 15 (23.1%) | < 0.001 |
 LAD | 100 (55.9%) | 40 (61.5%) | 0.428 |
 LCX | 35 (19.6%) | 12 (18.4%) | 0.863 |
 RCA | 43 (24.0%) | 10 (15.4%) | 0.148 |
 SVG | 1 (0.6%) | 1 (1.5%) | 0.463 |
ACC/AHA lesion class B2/C | 116 (64.8%) | 46 (70.8%) | 0.383 |
| Â | Scaffold/stent based | ||
| Â | Absorb scaffold (n = 245) | Everolimus-DES (n = 82) | p value |
Bifurcation stenting | 18 (7.3%) | 17 (20.7%) | < 0.001 |
Moderate/severe calcification | 86 (35.1%) | 38 (46.3%) | 0.069 |
Thrombus | 24 (9.8%) | 5 (6.1%) | 0.308 |
Overlap | 141 (57.6%) | 59 (72.0%) | 0.020 |
In-stent implantation | 15 (6.1%) | 28 (34.1%) | < 0.001 |
Chronic total occlusion | 11 (4.5%) | 3 (3.7%) | 0.74 |
Pre-dilatation | 231 (94.3%) | 71 (86.6%) | 0.023 |
Pre-dilatation NC-balloon | 161 (65.7%) | 37 (45.1%) | 0.001 |
Pre-dilatation cutting balloon | 24 (9.8%) | 19 (23.2%) | 0.002 |
Pre-dilatation balloon/device diameter-ratio | 0.96 ± 0.11 | 0.90 ± 0.13 | < 0.001 |
Pre-dilatation inflation pressure/atm | 14.38 ± 3.92 | 13.79 ± 3.64 | 0.464 |
Stent inflation pressure/atm | 11.95 ± 2.67 | 12.70 ± 2.87 | 0.099 |
Stent inflation time/sec | 76.66 ± 18.00 | 16.50 ± 5.57 | < 0.001 |
Post-dilatation NC-balloon | 235(95.9%) | 81 (98.8%) | 0.303 |
Post-dilatation balloon/device diameter ratio | 1.10 ± 0.09 | 1.08 ± 0.12 | 0.025 |
Post-dilatation balloon-device diameter/mm | 0.34 ± 0.25 | 0.29 ± 0.34 | 0.04 |
Post-dilatation inflation pressure/atm | 17.89 ± 4.04 | 16.84 ± 4.03 | 0.028 |
Post-dilatation inflation time/sec | 15.88 ± 6.22 | 13.70 ± 3.44 | 0.004 |
Device success | 239 (97.6%) | 81 (98.8%) | 0.685 |
Use of bailout device | 25 (10.2%) | 1 (1.2%) | 0.009 |