Incidence and risk factors for silent ischemic events on DWI after treatment with PED
| Study | No. of patients | No. of aneurysms | Incidence of DWI+ lesions (%) | Incidence of TIA/stroke (%) | Risk factors |
|---|---|---|---|---|---|
| This study | 59 | 70 | 62.7 | 5.1 | Age ≥60 years |
| Heller et al19 | 23 | 26 | 52 | 0 | Size ≥10 mm |
| Iosif et al 14 | 38 | 49 | 81.6 | 13.2 | None |
| Tan et al15 | 74 | 57 | 50.9 | 6.8 | Female gender |
| Total | 177 | 202 | 61.5 | 6.7 | – |
DWI, diffusion-weighted imaging; PED, Pipeline embolization device; TIA, transient ischemic attack.