Table 1

Baseline clinical and radiographic data of 65 patients with distal aneurysms treated with the pipeline embolization device

Characteristic
Age (years) (mean±SD)54.7±15.2
Female sex (n (%))42 (64.6)
Aneurysm size (mm) (median)7
Parent vessel diameter (mm) (median)2.4
Cases with parent vessel <2.5 mm (n (%))31 (55.4)
Last radiographic follow-up (months) (median, mean±SD)6, 11.7±1.91
Aneurysm location (n (%))
  A28 (12.3)
  A316 (24.6)
  M228 (43.1)
  M31 (1.5)
  P29 (13.8)
  P33 (4.6)
Aneurysm morphology (n (%))
  Saccula38 (58.5)
  Fusiform19 (29.2)
  Dissecting8 (12.3)
Presentation (n (%))
  Incidental/asymptomatic51 (78)
  Unruptured symptomatic5 (8)
  Ruptured 9 (14)
  Hunt–Hess grades I–III6 (75)
  Hunt–Hess grades IV–V2 (25)
  Onset to treatment (days) (median)1