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Table 2: 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 Treatment^a Visual Improvement (Yes/No)
1 21 GDCs No No Not performed Yes Yes^b
2 22 HydroCoils N/A N/A Not performed Yes Yes
3^c 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 Yes^b
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.