Table 3. Follow-up Imaging Outcomes after Pipeline Implantation.

Follow-up vascular imaging evaluated (n=47)	29 (64.7%)
Complete or near-complete occlusion (n=22, 75.9%)	1-3 months (n=14), 6 months (n=4), 12-24 months (n=4)
Decreased sac size (n=7, 24.1%)	1-3 months (n=7)
Follow-up cross-sectional imaging evaluated (n=47)	35 (74.5%)*
Aneurysm disappearance (n=5, 14.3%)	6 month (n=4), 12-24 months (n=1)
Decreased size (n=24, 68.6%)	1-3 month (n=9), 6 months (n=11), 12-24 months (n=4)
No change (n=6, 17.1%)	1-3 month (n=6)

^*Evaluation of the change in the treated aneurysm size, including the thrombosed portion on follow-up CT or MR.