Table 2.
Lesion characteristics grouped according to outcomes during follow-up.
|
No. lesions (n = 101) |
No DoCE (n = 87) |
DoCE (n = 14) |
P -value† | |
|---|---|---|---|---|
| Vessels treated, n (%) | 0.80 | |||
| Left anterior descending | 49 (49) | 45 (49) | 6 (43) | |
| Left circumflex | 23 (24) | 19 (22) | 4 (29) | |
| Right coronary artery | 27 (27) | 23 (26) | 4 (29) | |
| Lesion types, n (%) | 0.96 | |||
| A | 25 (25) | 21 (24) | 4 (29) | |
| B1 | 41 (41) | 35 (40) | 6 (43) | |
| B2 | 30 (30) | 26 (30) | 4 (29) | |
| C | 5 (5) | 5 (2.8) | 0 (0) | |
| ISR, n (%) | 8 (8) | 6 (6.9) | 2 (14) | 0.34 |
| Bifurcation lesions, n (%) | 16 (16) | 13 (15) | 3 (21) | 0.54 |
| Aorto-ostial lesions, n (%) | 0 (0.0) | 0 (0) | 0 (0) | - |
| CTO, n (%) | 3 (3) | 3 (3.4) | 0 (0) | - |
| Degree of calcification, n (%) | 0.92 | |||
| None | 45 (38.3) | 39 (45) | 6 (43) | |
| Mild-to-moderate | 51 (50) | 44 (51) | 7 (50) | |
| Severe | 5 (5) | 4 (4.6) | 1 (7.1) | |
| Initial TIMI flow, n (%) | 0.28 | |||
| 0 | 30 (30) | 27 (31) | 3 (21) | |
| 1 | 2 (2) | 1 (1.1) | 1 (7.1) | |
| 2 | 5 (5) | 5 (5.7) | 0 (0.0) | |
| 3 | 64 (63) | 54 (62) | 10 (71) | |
| Final TIMI flow, n (%) | - | |||
| 2 | 2 (2.0) | 2 (2.3) | 0 (0.0) | |
| 3 | 99 (98) | 85 (98) | 14 (100) | |
| No. of Mg-BRS per lesions, n (%) | 1.2 ± 0.4 | 1.72 ± 0.38 | 1.21 ± 0.41 | 0.35 |
| Mean device diameter (mm ± SD) | 3.25 ± 0.25 | 3.25 ± 0.25 | 3.21 ± 0.25 | 0.30 |
| Mean device length (mm ± SD) | 22.1 ± 3.3 | 22.2 ± 3.3 | 21.7 ± 3.5 | 0.29 |
| Deployment pressure (mm ± SD) | 13.7 ± 2.5 | 13.5 ± 2.5 | 14.6 ± 2.2 | 0.07 |
| Hybrid lesion treatment, n (%) | 28 (8) | 24 (28) | 4 (20) | 0.94 |
| Pre-dilatation, n (%) | 101 (100.0) | 87 (100.0) | 14 (100.0) | - |
| Pre-dilatation device, n (%) | 0.35 | |||
| SC-balloon | 10 (10) | 10 (12) | 0 (0.0) | |
| NC- balloon | 91 (90) | 77 (89) | 14 (100) | |
| Post-dilatation, n (%) | 98 (97) | 84 (97) | 14 (100) | 1 |
| Post-dilatation device, n (%) | 0.20 | |||
| SC- balloon | 5 (5.1) | 5 (6) | 0 (0.0) | |
| NC- balloon | 41 (42) | 37 (44) | 4 (29) | |
| Super-NC balloon | 52 (53) | 42 (50) | 10 (71) | |
| Maximal mean postdilatation pressure (atm ± SD) | 24.2 ± 7.3 | 24.0 ± 7.1 | 25.4 ± 8.2 | 0.27 |
| Fenestration of side branch, n (%) | 11 (11) | 11 (10.2) | 0 (0.0) | - |
| Intravascular imaging guidance, n (%) | 8 (7) | 8 (9.2) | 0 (0.0) | 0.6 |
Data are mean (standard deviation) or number (percentage), as appropriate.
CTO, chronic total occlusion; DoCE, device-oriented composite endpoint; ISR, in-stent restenosis; Mg-BRS, Magnesium bioresorbable scaffolds; NC, non-compliant balloon; No., Number; SC, semi-compliant balloon; TIMI, Thrombolysis in Myocardial Infarction.
†
P-values were based on student's t-tests, Mann-Whitney U- tests, or Chi-square tests, as appropriate.