Evaluation of Electrocardiogram-Gated Computed Tomography Angiography to Quantify Changes in Geometry and Dynamic Behavior during the Cardiac Cycle of the Nellix Endovascular Sealing System
Table 4
Preoperative (PRE) versus postoperative (POST) changes in iliac anatomy.
N = 8
PRE 20%
PRE 78%
Difference
values
POST 20 (%)
POST 78 (%)
Difference
values
values PRE vs POST 20%
values PRE vs POST 78%
RCIA angle
20.0 (11.5–36.5)
28.0 (9.3–36.3)
8.0
0.690
14.5 (6.3–26.0)
12.0 (7.8–24.0)
−2.5
0.682
0.197
0.180
LCIA angle
23.5 (13.3–39.8)
25.5 (21–34.5)
2.0
0.836
12.5 (8.3–17)
13.5 (11.3–27.5)
1.0
0.833
0.263
0.100
Proximal RCIA diameter (mm)
15.8 (12.3–20.9)
17.1 (13.7–21.0)
1.3
0.095
18.6 (16.6–27.4)
17.6 (16.5–25.7)
−1.1
0.166
0.021
0.104
Area on prox. RCIA diameter (mm2)
178.3 (115.1–325.9)
207.8 (132.8–319.1)
29.5
0.232
245.1 (198.4–561.5)
222.6 (206.2–479.3)
−22.6
0.179
0.019
0.235
Proximal LCIA diameter (mm)
17.3 (13.0–27.9)
17.3 (12.8–28.9)
0.1
0.223
18.4 (16.8–22.4)
18.2 (16.2–23.2)
−0.2
0.862
0.646
0.544
Area at prox. LCIA diameter (mm2)
210.1 (126.1–576.2)
203.3 (115.5–615.2)
−6.8
0.257
243.6 (195.9–305.9)
245.6 (193.7–407.4)
2.0
0.259
0.438
0.451
Distal diameter RCIA (mm)
19.7 (14.1–24.7)
19.1 (15.0–23.2)
−0.6
0.497
20.6 (16.0–24.4)
19.3 (15.8–23.0)
−1.3
0.022
0.082
0.706
Area on distal RCIA diameter
290.3 (150.1–430.5)
265.1 (146.4–391.1)
−25.2
0.448
326.3 (173.7–421.0)
271.8 (168.9–374.7)
−54.5
0.027
0.213
0.782
Distal diameter LCIA (mm)
18.6 (14.4–26.7)
18.5 (13.8–26.2)
−0.1
0.341
20.3 (17.1–26.6)
20.3 (17.1–26.6)
−1.2
0.381
0.078
0.027
Area on distal LCIA diameter (mm2)
248.2 (143.0–483.2)
248.1 (138.3–486.5)
−0.1
0.563
293.6 (134.45–452.8)
272.8 (126.0–419.6)
−20.6
0.908
0.027
0.011
Data are displayed as median, followed by interquartile range (IQR). Difference in significance in p values when preimplantation and postimplantation values were compared.
