Article Figures & Data
Figures
- Fig 1.
Group 1 subject (low balloon position).
A, Anteroposterior (AP) spot film obtained during aneurysm creation surgery. The right common carotid artery (RCCA) is opacified with the elastase/iodinated contrast mixture. The RCCA is denoted by the black arrow. Note that the inflated balloon is completely in the right subclavian artery and brachiocephalic artery (white arrow).
B, Same subject as in A. Intra-arterial digital subtraction angiogram, right anterior oblique view, demonstrating a wide-neck aneurysm (black arrow). Neck size is 5.3 mm.
- Fig 2.
Group 2 subject (intermediate balloon position).
A, Anteroposterior (AP) spot film obtained during aneurysm creation surgery. The right common carotid artery (RCCA) is opacified with the elastase/iodinated contrast mixture. The RCCA is denoted by the black arrow. Note that a small portion of the inflated balloon has herniated into the proximal RCCA (white arrow).
B, Same subject as in A. Intra-arterial digital subtraction angiogram, right anterior oblique view, demonstrating a narrow-neck aneurysm (black arrow). Neck size is 2.5 mm.
- Fig 3.
Group 3 subject (high balloon position).
A, Anteroposterior (AP) spot film obtained during aneurysm creation surgery. The right common carotid artery (RCCA) is opacified with the elastase/iodinated contrast mixture. The RCCA is denoted by the black arrow. Note that the inflated balloon is completely in RCCA (white arrow).
B, Same subject as in A. Intraarterial digital subtraction angiogram, right anterior oblique view, demonstrating a remnant of RCCA (black arrow). The maximum diameter of RCCA is 1.5 mm.
Tables
Aneurysm sizes in groups 1 and 2
Group 1 (n = 35) Group 2 (n = 32) P Value Aneurysm width, mm (mean ± SD) 4.12 ± 1.02 3.85 ± 0.80 .43 Aneurysm height, mm (mean ± SD) 8.64 ± 2.26 8.08 ± 1.92 .1 Neck width, mm (mean ± SD) 3.93 ± 0.91 2.89 ± 0.76 < .0001 Dome:neck ratio (mean ± SD) 1.32 ± 0.40 1.79 ± 0.99 .0031 Parent artery dilation present 18 12 .25
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