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Comprehensive Endovascular and Open Surgical Management of Cerebral Arteriovenous Malformations
Published on: October 20, 2017
Repeat endovascular treatment in post-embolization recurrent intracranial aneurysms
Hyun-Seung Kang1, Moon Hee Han, Bae Ju Kwon
1Department of Neurosurgery, Konkuk University School of Medicine, Konkuk University Hospital, Seoul, Korea.
Neurosurgery
|December 31, 2005
Summary
Repeat embolization (RE) is a safe and effective retreatment for intracranial aneurysms that recanalize or recur after initial endovascular coil embolization. Close patient follow-up is crucial after treatment.
Area of Science:
- Neurosurgery
- Interventional Radiology
- Vascular Neurology
Background:
- Intracranial aneurysms pose significant risks, necessitating effective treatment strategies.
- Endovascular coil embolization is a common primary treatment for these aneurysms.
- Recanalization or recurrence can occur after initial embolization, requiring further intervention.
Observation:
- This study reviewed 32 patients who underwent repeat embolization (RE) for intracranial aneurysms previously treated with coil embolization.
- Thirty-nine RE sessions were performed, with the primary indication being asymptomatic aneurysmal recanalization due to coil compaction or loosening.
- Most RE procedures occurred within 12 months of the initial treatment.
Findings:
- Repeat embolization achieved complete or near-complete aneurysm occlusion in all cases.
- No procedure-related morbidity or mortality was observed during RE.
- Radiolucent gaps within coil masses were noted in 17 cases, potentially related to recanalization.
Implications:
- Repeat embolization is a safe and effective option for managing recanalized or recurrent intracranial aneurysms.
- The findings underscore the importance of diligent, long-term surveillance for patients treated with endovascular coil embolization.
- Understanding reasons for recanalization, such as coil compaction, can inform future treatment strategies.
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