Table 2

Incidence and risk factors for silent ischemic events on DWI after treatment with PED

StudyNo. of patientsNo. of aneurysmsIncidence of DWI+ lesions (%)Incidence of TIA/stroke (%)Risk factors
This study597062.75.1Age ≥60 years
Heller et al192326520Size ≥10 mm
Iosif et al 14384981.613.2None
Tan et al15745750.96.8Female gender
  • DWI, diffusion-weighted imaging; PED, Pipeline embolization device; TIA, transient ischemic attack.