Article Figures & Data
Figures
- Fig 1.
A, Angiogram after deployment of a PED extending from the proximal superior division of the M2 segment to the mid-M1 segment. B, Angiogram showing complete MCA occlusion 5 months later with distal PED migration.
- Fig 2.
A, Angiogram showing a PED that was deployed from the mid-M1 segment to the proximal cavernous ICA. B, DSA showing proximal PED migration. Note the new rupture site on the aneurysmal dome facing the displaced PED. C, Noncontrast head CT scan on postoperative day 3 showing an extensive subarachnoid hemorrhage, with displacement of the distal limb of the device now located centrally within the aneurysmal sac.
- Fig 3.
A, A PED is deployed across 2 aneurysms extending from the petrous segment to the paraclinoid segment of the ICA. B, Follow-up angiography 4 months later showing that the distal portion of the PED had migrated slightly proximally, with the neck of the SHA aneurysm no longer covered by the device.
- Fig 4.
A, Angiogram showing the initial position of the PED; the distal end is at the clinoid segment. B, Angiogram showing proximal migration of the PED; the distal end of the device is now within the aneurysmal sac.
Tables
PED migration characteristics
Patient No. Length of PED Extending to Aneurysm (mm) Migration Distance (mm) Migration of Proximal or Distal End of PED? Proximal to Aneurysm Distal to Aneurysm 1 7 6 9 Proximal 2 10 15 20 Distal 3 15 3 5 Distal 4 10 7 >10 Distal and proximal 5 13 3.5 7.5 Distal
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