Coil embolization was performed in 86 cerebral aneurysm patients using two types of detachable platinum coils, IDC (Interlocking detachable coil) and GDC (Guglielmi electrical detachable coil). Results of IDC and GDC were compared. The occlusion rate of the aneurysm sac was similar. Coil compaction occurred frequent and early in cases with GDC. As clinical outcome, 94% of the patients in both group obtained good results. No bleeding or rebleeding occurred in the follow-up with IDC or GDC.
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