PED alone (n = 34) | PED with coils (n = 17) | P value | PED with coils (n = 17) | LVIS with coils (n = 51) | P value | |
---|---|---|---|---|---|---|
Velocity on the neck plane | ||||||
Pre-operation, m/s | 0.23 ± 0.13 | 0.23 ± 0.16 | 0.542 | 0.23 ± 0.16 | 0.26 ± 0.13 | 0.172 |
Post-operation, m/s | 0.11 ± 0.06 | 0.11 ± 0.06 | 0.865 | 0.11 ± 0.06 | 0.12 ± 0.10 | 0.772 |
Reduction ratio (%) | 50.50 ± 17.57 | 47.03 ± 21.86 | 0.313 | 47.03 ± 21.86 | 55.73 ± 23.28 | 0.071 |
Velocity in the aneurysm | ||||||
Pre-operation, m/s | 0.11 ± 0.14 | 0.07 ± 0.07 | 0.675 | 0.07 ± 0.07 | 0.10 ± 0.09 | 0.226 |
Post-operation, m/s | 0.04 ± 0.10 | 0.02 ± 0.02 | 0.689 | 0.02 ± 0.02 | 0.01 ± 0.01 | 0.069 |
Reduction ratio (%) | 66.75 ± 37.39 | 78.55 ± 16.81 | 0.436 | 78.55 ± 16.81 | 91.53 ± 8.28 | < 0.001* |
WSS on the aneurysm | ||||||
Pre-operation, Pa | 3.99 ± 4.39 | 2.76 ± 2.28 | 0.617 | 2.76 ± 2.28 | 3.56 ± 2.43 | 0.172 |
Post-operation, Pa | 2.73 ± 6.50 | 1.50 ± 1.65 | 0.719 | 1.50 ± 1.65 | 0.33 ± 0.47 | < 0.001* |
Reduction ratio (%) | 41.24 ± 50.30 | 54.17 ± 28.29 | 0.719 | 54.17 ± 28.29 | 91.20 ± 9.82 | < 0.001* |