Retreatment of Previously Embolized Cerebral Aneurysms: The Risk of Further Coil Embolization Does Not Negate the Advantage of the Initial Embolization

摘要: BACKGROUND AND PURPOSE: A significant minority of aneurysms treated by endovascular means undergo additional subsequent therapy to treat aneurysm recurrence. Our study was undertaken determine the risk coil embolization recurring following therapy. MATERIALS METHODS: Patients were identified during a 10-year period from prospectively collated data bases at 2 different neuroscience institutions. Patient outcome obtained or patient9s neurosurgical records. Occlusion grade assessed time treatment and follow-up angiography as complete, near-complete, incomplete. RESULTS: Of total 1834 in 1631 patients, 100 99 patients between January 1996 December 2005 required coiling because an enlarging remnant subtotal occlusion. This comprised 6% 8% followed. Thromboembolic events complicated 3 retreatment procedures, but all remain independent. Ninety-five followed for 8–103 months (mean, 42.3 months) conventional MR angiography. CONCLUSION: Coil recurrences has low complication rate leads satisfactory occlusion most cases. The does not negate advantage initial embolization.