Table 2 Quantitative IVUS image analysis in patients
Recurrent angina or restenosis | ||
|---|---|---|
Yes | No | |
Before PTCA | ||
EEM CSA (mm 2 ) | 16.4 (10.5-25.7) | 16. (12.5-18.9) |
Lumen CSA (mm 2 ) | 4.23 (3.10-6.40) | 4.95 (3.4-6.4) |
Luminal diameter (mm) | 2.1 (1.8-2.8) | 2.3 (2.0-2.6) |
CSN (%) | 76.65 (57.4-83.8) | 64.6 (54.3-77) |
Lesion length (mm) | 19.5 (15.1-22.2) | 19.1 (12.7-21.9) |
After PTCA | ||
EEM CSA (mm 2 ) | 17.1 (10.2-25.7) | 16.6 (12.8-21.4) |
Lumen CSA (mm 2 ) | 8.9 (5.8-16.5) | 8.95 (6.3-11.5) |
Luminal diameter (mm) | 3.15 (2.8-4.5) | 3.25 (2.8-3.7) |
CSN (%) | 45.4 (36.10-62.3) | 48.13 (43.7-62.7) |
Lumen area gain (mm 2 ) | 5.05 (1-10) | 3.75 (2.8) |
Lumen diameter gain (mm) | 1.10 (0-2) | 0.91 (0-2) |
6 months | ||
Outward remodeling | 5 pac. | 4 pac. |
ATV (mm 2 ) | 16.80 (10.5-24) | 14.9 (10.0-23.5) |
LUMEN CSA (mm 2 ) | 5.95 (3.9-9.1) | 8.6 (6.0-12.0) |
Luminal diameter (mm) | 2.55 (2.1-3.2) | 3.0 (2.5-3.9) |
CSN (%) | 60.83 (50.9-70.6)** | 48.25 (42.8-60)** |
Lumen CSA lost (mm 2 ) | -1.40 (-0.2 a -3.2) | -0.55 (-0.2 a -6.6) |
CSN gain | 8.48 (-11.8 a 19.60) | 4.25 (-3.2 a 23.9) |