Table 1:

Patient demographics and aneurysm characteristics

Demographics/CharacteristicsOverall PopulationPatients Who Underwent FPV-CTA
No. of patients8368
Age (mean ± SD)51 ± 1251 ± 12
Female (no., %)62 (75)51 (75)
No. of aneurysms8770
Direct CC fistula (no.)11
No. of procedures8470
Aneurysm locations
    Anterior circulation (no., %)76 (87.4)63 (90)
        Paraclinoid ICA (no., %)36 (41.4)28 (40)
        Cavernous ICA (no., %)20 (23)17 (24)
        ACA/AComA (no., %)7 (8)6 (8.6)
        ICA terminus (no., %)4 (4.6)4 (5.7)
        AChoA/PComA (no., %)4 (4.6)4 (5.7)
        MCA (no., %)4 (4.6)3 (4.3)
        Petrous ICA (no., %)1 (1.1)1 (1.4)
    Posterior circulation11 (12.6)7 (10)
        Vertebral artery (no., %)5 (5.7)3 (4.3)
        BA (no., %)3 (3.4)1 (1.4)
        PCA (no., %)2 (2.3)2 (2.9)
        SCA (no., %)1 (1.1)1 (1.45)
Aneurysm maximum diameter (mean ± SD)9.2 ± 6.59.8 ± 6.5
Aneurysm neck (mean ± SD)5.4 ± 35.4 ± 3
Acutely ruptured aneurysms (no., %)5 (5.7)3 (4.3)
Recanalized aneurysms (no., %)16 (18.4)13 (18.6)
        Previously clipped (no., %)2 (2.3)2 (2.9)
        Previously coiled (no., %)14 (16.1)11 (15.7)
  • Note:—ACA indicates anterior cerebral artery; AChoA, anterior choroidal artery; AComA, anterior communicating artery; BA, basilar artery; CC, carotid cavernous; PCA, posterior cerebral artery; PComA, posterior communicating artery; SCA, superior cerebellar artery.