Patient treatment and results
| Case No. | Number and Type of Coils | Increase in Aneurysm Size | Evidence of Coil Compaction | Evidence of Inflammation by MR Imaging | Steroid Treatmenta | Visual Improvement (Yes/No) |
|---|---|---|---|---|---|---|
| 1 | 21 GDCs | No | No | Not performed | Yes | Yesb |
| 2 | 22 HydroCoils | N/A | N/A | Not performed | Yes | Yes |
| 3c | 8 HydroCoils | No | Yes | Not performed | No | – |
| 4 | 24 Total coils: HydroCoils, Matrix coils, and GDCs | Yes (1–2 mm by catheter angiography) | Yes | Yes | Yes | No |
| 5 | 26 GDCs | No | Yes | Yes | Yes | No |
| 6 | 13 Total coils: 4 Matrix Standard, 2 Matrix Soft, 6 Matrix Ultrasoft, 1 GDC | N/A | N/A | Yes | Yes | Yes |
| 7 | 3 GDCs | Yes (2 mm by catheter angiography) | Yes | Yes | No | Yes |
| 8 | 1st Embolization-18 Coils: 3 Complex Trufill/Orbit,d 9 Matrix Soft, 3 Matrix Ultrasoft, 1 Matrix Standard, 1 Cerecyte,e 1 HydroCoil; 2nd Embolization-15 coils: 2 Trufill/Orbit, 12 Matrix, 1 GDC | No | Yes | Not performed | Yes | Yesb |
Note:—N/A indicates not applicable; –, data not available.
a All patients treated with steroids received several days of intravenous dexamethasone or methylprednisolone followed by at least 1 week of oral dexamethasone or prednisone.
b Vision improved during steroid treatment.
c Patient died shortly after craniotomy and attempted optic nerve decompression.
d Cordis, Miami Lakes, Fla.
e Micrus Endovascular, San Jose, Calif.