Table 4:

Immediate and follow-up results of unruptured aneurysmsa

Immediate3-Month Follow-Up12-Month Follow-Up
Total61 (100%)56 (91.8%)37 (60.7%)
Grade
    13 (4.9%)22 (39.4%)15 (40.5%)
    25 (8.2%)12 (21.4%)7 (18.9%)
    30 (0.0%)12 (21.4%)7 (18.9%)
    453 (86.9%)5 (8.9%)3 (8.2%)
    50 (0.0%)5 (8.9%)5 (13.5%)
Complete occlusion (grades 1 and 2)34 (60.8%)22 (59.4%)
Sufficient occlusion (grades 1–3)46 (82.2%)29 (78.3%)
  • a 1 indicates no residual flow in aneurysm/WEB; 2, opacification of the proximal recess of the WEB; 3, neck remnant; 4, residual flow inside the WEB; 5, aneurysm remnant.