Retrospective Study
Copyright ©The Author(s) 2023.
World J Radiol. Aug 28, 2023; 15(8): 241-249
Published online Aug 28, 2023. doi: 10.4329/wjr.v15.i8.241
Table 1 Maximum standardized uptake value and uptake ratios for aortic graft locations
Location
SUVmax
Uptake ratio
Proximal aortic graft 2.8 ± 0.81.1 ± 0.3
Mid aortic graft2.9 ± 0.81.2 ± 0.3
Distal aortic graft3.0 ± 0.91.2 ± 0.3
Background2.5 ± 0.5-
Table 2 Maximum standardized uptake value for grafts and background (ascending aorta), uptake ratios are listed for grafts
Location
SUVmax
Uptake ratio
Aortic graft2.9 ± 0.81.2 ± 0.3
Left Iliac graft2.7 ± 0.81.1 ± 0.3
Right Iliac graft2.8 ± 0.81.2 ± 0.4
Background2.5 ± 0.5-
Table 3 Graft age and uptake ratios segregated into quartiles by graft age
Graft, age, quartileGraft age (mo)Uptake ratio
Aortic graft
L-Iliac graft
R-Iliac graft
19 ± 41.2 ± 0.21.1 ± 0.2a1.1 ± 0.2a
231 ± 101.1 ± 0.2a1.1 ± 0.2a1.1 ± 0.2a
360 ± 91.1 ± 0.3a1.1 ± 0.3a1.1 ± 0.4a
4107 ± 241.3 ± 0.31.3 ± 0.41.4 ± 0.4
Table 4 Frequency of visual uptake patterns for all grafts and uptake ratios
Visual uptake pattern
n
Uptake ratio
Diffuse3001.1 ± 0.3
Focal61.8 ± 0.7a
Table 5 Frequency of visual uptake patterns and uptake ratios analyzed by graft type
Visual uptake patternPT grafts
PTFE grafts
n
Uptake ratio
n
Uptake ratio
Diffuse851.2 ± 0.3771.1 ± 0.2
Focal21.9 ± 0.7a11.5