Abstract:
OBJECTIVE:The purpose of this study was to describe clinical situations requiring repeat embolization in patients previously treated by endovascular coil embolization for intracranial aneurysms, and to report on our experiences of repeat embolization (RE). METHODS:A total of 466 patients harboring 522 intracranial aneurysms were treated by endovascular coil embolization at our institution during the period between December 1992 and August 2004. We studied 32 patients who underwent repeat coil embolization (RE) owing to recanalization or aneurysm recurrence. Radiological and clinical data were reviewed to determine the reasons, results, and technical problems of RE. RESULTS:Thirty-nine sessions of RE were performed in 32 patients; four patients underwent RE twice and another patient three times. The major reason for RE was asymptomatic aneurysmal recanalization owing to coil compaction and/or loosening. The time interval between RE and the previous embolization was 12 months or less in 27 sessions. Complete or near complete occlusion of the aneurysm was achieved in all cases without procedure-related morbidity or mortality. Radiolucent gaps between the coil masses were observed in 17 cases. CONCLUSION:RE is a safe and effective treatment option in cases of recanalized or recurrent aneurysms. Close follow-up evaluation is essential in patients with intracranial aneurysms after coil embolization.
journal_name
Neurosurgeryjournal_title
Neurosurgeryauthors
Kang HS,Han MH,Kwon BJ,Kwon OK,Kim SHdoi
10.1227/01.neu.0000194188.51731.13subject
Has Abstractpub_date
2006-01-01 00:00:00pages
60-70; discussion 60-70issue
1eissn
0148-396Xissn
1524-4040pii
00006123-200601000-00007journal_volume
58pub_type
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