Table 3.
Plaque characteristics a NWI = normalized wall index
| Symptomatic side | Asymptomatic side | P-value | |
|---|---|---|---|
| Vessel Stenosis | |||
| < 50% [N(%)] | 0 | 10 (50%) | <0.001 |
| 50 – 69% [N(%)] | 8 (40%) | 3 (15%) | 0.16 |
| 70 – 99% [N(%)] | 12 (60%) | 7 (35%) | 0.21 |
| Qualitative CMR Plaque Characteristics | |||
| AHA Lesion Type VI [N(%)] | 16 (80%) | 4 (20%) | <0.001 |
| Thin/ruptured fibrous cap [N(%)] | 12 (60%) | 1 (5%) | <0.001 |
| Intraplaque hemorrhage [N(%)] | 9 (45%) | 4 (20%) | n.s. |
| Juxtaluminal hemorrhage / thrombus [N(%)] | 6 (30%) | 1 (5%) | n.s. |
| Quantitative CMR Plaque Characteristics | |||
| Mean lumen area [mm2] | 6.5 ± 4.3 | 10.8 ± 7.5 | 0.05 |
| Mean wall area [mm2] | 72.2 ± 28.3 | 64.6 ± 20.9 | 0.17 |
| Mean total vessel area [mm2] | 111.1 ± 43.4 | 102.3 ± 36.4 | 0.27 |
| NWIa | 0.88 ± 0.07 | 0.78 ± 0.11 | 0.008 |
| Lipid rich necrotic core [%] | 24.5 ± 12.9 | 14.5 ± 14 | 0.08 |
| Calcification [%] | 3.6 ± 5.2 | 7.3 ± 6.3 | 0.03 |
| Intraplaque hemorrhage [%] | 11.4 ± 17 | 2.1 ± 4.5 | 0.03 |
| MDCTA b Characteristics | |||
| Plaque Type | |||
| Non-calcified [N(%)] | 12 (60%) | 7 (35%) | n.s. |
| Mixed [N(%)] | 5 (25%) | 10 (50%) | n.s. |
| Calcified [N(%)] | 3 (15%) | 3 (15%) | n.s. |
| CT Calcification Volume [mm3] | 0.082 | 0.0735 | n.s. |
b MDCTA = multi detector computed tomography angiography.