Table 2:

Technical and angiographic outcomesa

All Patients/Treatments (N = 310/352)Patients with Coiling/Treatments (n = 188/223)Patients with Flow Diverters/Treatments (n = 122/129)P Value
Coiling-assist devices
    Balloon9/352 (2.6%)9/223 (4.0%)NA–
    Stent10/352 (2.8%)10/223 (4.5%)NA
Flow diverter used
    Pipeline124/352 (35.2%)NA124/129 (96.1%)–
    Surpassb5/352 (1.4%)NA5/129 (3.9%)
Angiographic occlusion at last follow-up
    Complete165/318 (51.9%)96/196 (49.0%)69/122 (56.6%)<.0001
    Near-complete112/318 (35.2%)86/196 (43.9%)26/122 (21.3%)
    Incomplete41/318 (12.9%)14/196 (7.1%)27/122 (22.1%)
Angiographic follow-up for patients with imaging ≥6 mo posttreatment<.0001
    Complete147/267 (55.1%)80/163 (49.1%)67/104 (64.4%)
    Near-complete92/267 (34.5%)69/163 (42.3%)23/104 (22.1%)
    Incomplete28/267 (10.5%)14/163 (8.6%)14/104 (13.5%)
Mean radiologic follow-up time (mo)20 (0–67)20 (0–67)20 (0–61).46
Retreatment.009
    Recoiling18/318 (5.7%)18/196 (9.2%)0/122 (0.0%)
    Retreatment with FD15/318 (4.7%)8/196 (4.1%)7/122 (5.7%)
    Clipping2/318 (0.6%)2/186 (1.0%)0/122 (0.0%)
Recurrence36/318 (11.3%)29/196 (14.8%)7/122 (5.7%).009

  • Note:—NA indicates not available.

  • ↵a Three hundred ten patients received 352 treatments; 188 patients with coiling received 223 treatments, and 122 patients with flow diverters received 129 treatments.

  • ↵b Stryker Neurovascular, Kalamazoo, Michigan.