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Comprehensive Endovascular and Open Surgical Management of Cerebral Arteriovenous Malformations
Published on: October 20, 2017
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Stereotactic radiosurgery for thalamus arteriovenous malformations
Mohameth Faye1,2, Moussa Diallo2, Manal Sghiouar3
1Service de Neurochirurgie Fonctionnelle et Stéréotaxique, Hôpital de la Timone, 249, rue Saint-Pierre, F-13005 Marseille, France.
Journal of Radiosurgery and SBRT
|March 19, 2020
Summary
Radiosurgery effectively treats thalamic arteriovenous malformations (AVMs), achieving a 66.7% obliteration rate. This treatment is crucial for managing AVMs, even with bleeding risks, leading to patient recovery.
Area of Science:
- Neurology
- Neurosurgery
- Radiology
Background:
- Cerebral arteriovenous malformations (AVMs) are congenital vascular anomalies characterized by abnormal arteriovenous shunts.
- Thalamic AVMs represent a specific subset requiring targeted treatment strategies.
Purpose of the Study:
- To evaluate the efficacy and safety of radiosurgery for treating thalamic arteriovenous malformations.
- To determine the obliteration rates and complication profiles associated with radiosurgery in this patient cohort.
Main Methods:
- A retrospective study was conducted on 1557 patients treated with radiosurgery for AVMs, with a focus on 53 cases of thalamic AVMs.
- Data collected included patient demographics, pre-radiosurgical interventions, AVM characteristics, treatment parameters (volume, RBAS score, radiation dose), and outcomes.
- Follow-up averaged 56.7 months to assess obliteration rates and complications.
Main Results:
- The mean age of patients was 35.8 years; 88.7% presented with hemorrhage.
- The global obliteration rate after one or two procedures was 66.7%.
- Complications included 3.9% mortality, 5.9% post-procedure bleeding, and 3.9% radio-induced neurological deficit.
Conclusions:
- Radiosurgery is an indispensable treatment for thalamic AVMs.
- It offers a viable option even in the presence of persistent hemorrhage risk, facilitating patient recovery.
