Table 2 Morphological characteristics on preoperative CTA
Aneurysm | All patients (n = 158) | Patients with primary endoleak (n = 46) | Patients without endoleak (n = 99) | p-value1 |
|---|---|---|---|---|
Length (mm) | 122 [52, 191] | 166.0 [85.2, 198.5] | 103.0 [42.5, 185.0] | 0.045 |
Maximal diameter (mm) | 63.9 [58.7, 74.1] | 65.7 [58.9, 78.8] | 63.4 [58.5, 72.6] | 0.14 |
Total volume (cm3) | 283 [110, 485] | 375.0 [233.0, 551.0] | 259.0 [74.7, 430.5] | 0.025 |
Thrombosed part of aneurysm (%) | 48.7 [33.3, 60.5] | 46.0 [38.4, 59.8] | 48.0 [28.6, 60.5] | 0.62 |
Thoracic aorta tortuosity | 3.5 [3.0, 4.0] | 3.55 [3.17, 4.09] | 3.48 [2.91, 3.91] | 0.22 |
Proximal landing zone | All patients | Patients with type Ia endoleak (n = 8) | Patients without typ Ia endoleak (n = 138) | p-value1 |
|---|---|---|---|---|
Length on centerline (mm) | 30.0 [20.5, 62.1] | 26.5 [19.8, 50.3] | 30.1 [20.0, 59.9] | 0.59 |
Length on inner curvature (mm) | 22.5 [13.9, 42.4] | 19.6 [11.3, 32.2] | 22.6 [13.9, 41.5] | 0.47 |
Length on outer curvature (mm) | 44.8 [29.6, 76.4] | 32.2 [24.9, 62.9] | 44.7 [28.6, 76.0] | 0.37 |
Curvature | 0.26 [0.18, 0.39] | 0.34 [0.21, 0.49] | 0.25 [0.17, 0.38] | 0.31 |
Cllipticity index of aorta | 1.19 [1.12, 1.30] | 1.16 [1.11, 1.19] | 1.20 [1.12, 1.30] | 0.24 |
Oversizing (diameter) (%) | 20.6 [14.1; 26.8] | 13.5 [11.6, 18.6] | 20.8 [14.6, 26.9] | 0.11 |
Oversizing (area) (%) | 54.5 [41.6, 70.1] | 42.9 [37.0, 47.6] | 54.8 [41.7, 72.3] | 0.066 |
Distal landing zone | All patients | Patients with typ Ib endoleak (n = 4) | Patients without typ Ib endoleak (n = 140) | p-value1 |
|---|---|---|---|---|
Length on centerline (mm) | 94.3 [57.2, 170.3] | 101.6 [76.8, 131.5] | 91.9 [54.9, 166.8] | 0.94 |
Curvature | 0.19 [0.10, 0.32] | 0.30 [0.20, 0.39] | 0.19 [0.11, 0.32] | 0.51 |
Ellipticity index of aorta | 1.16 [1.11, 1.26] | 1.21 [1.14, 1.29] | 1.16 [1.11, 1.26] | 0.62 |
Oversizing (diameter) (%) | 20.0 [11.9, 28.1] | 9.0 [5.13, 12.5] | 20.5 [12.3, 28.3] | 0.026 |
Oversizing (area) (%) | 107.3 [67.9, 148.9] | 58.1 [39.3, 74.1] | 112.5 [68.7, 150.3] | 0.035 |