Table 3 Morphological and quantitative coronary ultrasound results.
| All (n = 134) | AMI (n = 103) | |||||
|---|---|---|---|---|---|---|
| PR (n = 83) | IR/NR (n = 51) | p Value | PR (n = 68) | IR/NR (n = 35) | p Value | |
| Pre‐intervention | ||||||
| Plaque type | NS | NS | ||||
| Fibrous, n (%) | 50 (60) | 27 (53) | 46 (68) | 17 (49) | ||
| Fibrofatty, n (%) | 28 (34) | 17 (33) | 20 (29) | 14 (40) | ||
| Calcified, n (%) | 5 (6) | 7 (14) | 2 (3) | 4 (11) | ||
| Thrombus, n (%) | 29 (35) | 16 (31) | NS | 27 (40) | 15 (43) | NS |
| Plaque rupture, n (%) | 22 (27) | 11 (22) | NS | 21 (31) | 11 (31) | NS |
| Lesion EEM CSA, mm2 | 18.6 (6.0) | 14.5 (4.5) | 0.002 | 19.2 (5.3) | 15.2 (4.2) | 0.002 |
| Lesion P+M CSA, mm2 | 16.2 (5.8) | 12.4 (4.5) | 0.003 | 16.7 (5.4) | 12.9 (4.4) | 0.006 |
| Lesion lumen CSA, mm2 | 2.2 (0.4) | 2.1 (0.6) | NS | 2.2 (0.6) | 2.1 (0.6) | NS |
| Proximal EEM CSA, mm2 | 15.7 (4.3) | 17.5 (5.4) | NS | 16.2 (3.9) | 18.6 (5.5) | 0.01 |
| Proximal P+M CSA, mm2 | 8.7 (2.6) | 8.9 (3.0) | NS | 8.9 (2.8) | 9.5 (3.6) | NS |
| Proximal lumen CSA, mm2 | 7.0 (2.5) | 8.6 (3.8) | 0.02 | 7.3 (2.3) | 9.1 (3.6) | 0.0002 |
| Distal EEM CSA, mm2 | 12.9 (4.6) | 12.3 (3.9) | NS | 13.3 (4.4) | 13.2 (3.8) | NS |
| Distal P+M CSA, mm2 | 6.3 (3.1) | 5.9 (2.6) | NS | 6.7 (3.5) | 6.3 (2.6) | NS |
| Distal lumen CSA, mm2 | 6.3 (2.8) | 6.3 (2.2) | NS | 6.4 (2.3) | 6.8 (2.2) | NS |
| Post‐intervention | ||||||
| Minimal stent area, mm2 | 8.1 (2.5) | 8.0 (2.6) | NS | 8.2 (2.2) | 8.3 (2.0) | NS |
AMI, acute myocardial infarction; CSA, cross‐sectional area; EEM, external elastic membrane; IR, intermediate remodelling; MSA, minimal stent area; NR, negative remodelling; P+M, plaque plus media; PR, positive remodelling.
Values are represented as mean (SD) unless otherwise specified.