Table 1:

Patient and aneurysm characteristics

All CasesPatients in RCTsOthers
Patients (No.)351421
    Male/female14/214/1010/11
    Mean age (yr)52.4 ± 14.549.6 ± 18.054.3 ± 11.3
Aneurysms
    Mean size (range) (mm)23.5 ± 12.9 (3–55)22.6 ± 9.5 (5–40)24.1 ± 14.8 (3–55)
    Anterior circulation26 (74%)12 (86%)14 (67%)
        Extradural carotid10 (29%)5 (36%)5 (24%)
        Intradural carotid15 (43%)7 (50%)8 (38%)
    Posterior circulation9 (26%)2 (14%)7 (33%)
        Intradural vertebral6 (17%)1 (7%)5 (24%)
        Basilar3 (9%)1 (7%)2 (10%)
    Proximala aneurysms23 (66%)9 (64%)14 (66%)
    Proximala aneurysms, passed TBO11 (48%)3 (33%)8 (38%)
    Sidewall aneurysm17 (49%)5 (36%)12 (57%)
    Recurrent aneurysms5 (14%)2 (14%)3 (14%)
    Ruptured (recent SAH)4 (11%)1 (7%)3 (14%)
    Symptomatic aneurysms20 (57%)6 (43%)14 (67%)
  • Note:—TBO indicates test balloon occlusion.

  • a Proximal indicates cavernous, ophthalmic, and intradural vertebral locations.