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Updated: Jun 11, 2026
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Comprehensive Endovascular and Open Surgical Management of Cerebral Arteriovenous Malformations
Published on: October 20, 2017
Recurrent or new symptomatic cerebral aneurysm after previous treatment
S Rothemeyer1, D Lefeuvre, A Taylor
1Department of Neurosurgery, University of Cape Town, South Africa.
Summary
New cerebral aneurysms after treatment are more common than recurrence. This study reviewed patients re-presenting with symptomatic aneurysms, finding new aneurysm development is a significant risk post-treatment.
Area of Science:
- Neurosurgery
- Vascular Neurology
- Interventional Neuroradiology
Background:
- Endovascular coiling is a successful treatment for cerebral aneurysms.
- Understanding the durability of cerebral aneurysm treatment is crucial.
- Causes of aneurysm re-presentation after treatment require investigation.
Purpose of the Study:
- To assess the causes of symptomatic cerebral aneurysm presentation after previous treatment.
- To evaluate the durability of endovascular coiling and surgical clipping.
- To differentiate between aneurysm recurrence and new aneurysm formation.
Main Methods:
- Retrospective review of patients re-presenting with symptomatic saccular aneurysms.
- Study period: 2000-2004.
- Identification of seven patients with symptomatic aneurysms post-treatment.
Main Results:
- Three patients had incomplete clipping, presenting within months.
- Four patients presented 5-20 years after treatment with new cerebral aneurysms.
- New aneurysm development at the same location was observed, distinct from recurrence due to morphology.
Conclusions:
- Development of new cerebral aneurysms post-clipping is a greater risk than recurrence.
- Re-presentation after coiling or clipping necessitates careful evaluation.
- Focus should shift towards preventing disease progression over solely addressing treatment failure.
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