Table 1:

Characteristics of the enrolled patients and anterior choroidal artery aneurysms

VariableCoilClipP
No. of patients (aneurysms)37 (38)35 (35)
Mean age ± SE (range), y54 ± 13 (23–78)45 ± 12 (25–63).005
Sex,n (%)NS
    Male14 (37.8)15 (42.9)
    Female23 (62.2)20 (57.1)
No. of aneurysms38*35
Size of aneurysm, mean ± SE (range), mm6.6 ± 3.7 (2.8–18)5.8 ± 2.1 (3.0–12.2)NS
Diameter of aneurysm neck (range), mm3.2 ± 1.8 (1.4–10)3.2 ± 1.0 (2–6)NS
Presentations, n (%)NS
    SAH from AchoA aneurysms23 (60.5)30 (85.7)
    SAH from other aneurysms5 (13.2)
    Third-nerve palsy3 (7.9)
    Third-nerve palsy after AchoA territory infarction1 (2.6)
    Incidental6 (15.8)5 (14.3)
Hunt and Hess grade, n (%)NS
    No SAH10 (27.0)5 (14.3)
    1–320 (54.1)27 (77.2)
    4 or 57 (18.9)3 (8.1)
  • Note:—NS indicates not significant; AchoA, anterior choroidal artery; SAH, subarachnoid hemorrhage.

  • * One patient had bilateral AchoA aneurysms.