Lesion characteristics of the study population
| Lesion characteristics | No of lesions (n=118) |
| Vessels treated (%) | |
| Left anterior descending | 31 (26) |
| Left circumflex | 27 (23) |
| Right coronary artery | 60 (51) |
| Type of in-stent restenosis (%) | |
| (1)Focal | 32 (27) |
| (2) Diffuse | 39 (33) |
| (3) Proliferative | 28 (24) |
| (4) Occlusive | 19 (16) |
| More than one scaffold per lesion (%) | 27 (30) |
| Aorto-ostial lesions (%) | 2 (1.7) |
| Chronic total occlusions (%) | 21 (18) |
| Moderate to severe calcification (%) | 61 (52) |
| Type of restenosed stent (%) | |
| BMS | 7 (6) |
| First generation DES | 24 (20) |
| Second generation DES | 87 (74) |
| Layers of stent (%) | |
| One | 86 (73) |
| Two or more | 32 (27) |
| History of DCB treatment (%) | 10 (8.5) |
| OCT guidance (%) | 32 (27) |
| Lesion preparation (mm, mean) | |
| Pre-dilatation balloon diameter | 3.0±0.07 |
| Pre-dilatation pressure | 26.8±1.3 |
| Regular NC balloon (%) | 31 (26) |
| Ultra-high pressure NC balloon (%) | 89 (75) |
| Total scaffolds implanted | 131 |
| Absorb BRS characteristics (mm, mean) | |
| Scaffold diameter | 3.1±0.07 |
| Scaffold length | 24±1 |
| Scaffold deployment pressure (atm, mean) | 14.7±0.4 |
| Post-dilatation (%) | 56 (47) |
| Post-dilatation pressure (atm) | 27.7±1.9 |
Data are mean (SD) or number (percentage), as appropriate.
BMS, bare metal stents; BRS, bioresorbable scaffold; DCB, drug coated balloon; DES, drug eluting stents; NC, non-compliant; OCT, optical coherence tomography.