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Comprehensive Endovascular and Open Surgical Management of Cerebral Arteriovenous Malformations
Published on: October 20, 2017
Development and testing of a radiosurgery-based arteriovenous malformation grading system
1Department of Neurological Surgery, Mayo Clinic College of Medicine, Rochester, MN 55905, USA. pollock.bruce@mayo.edu
Progress in Neurological Surgery
|December 22, 2012
Summary
The radiosurgery-based AVM score (RBAS) accurately predicts outcomes for arteriovenous malformations (AVMs) treated with radiosurgery. This score aids in choosing the best treatment, like observation, surgery, or radiosurgery, for individual AVM patients.
Area of Science:
- Neurosurgery
- Radiation Oncology
- Medical Imaging
Background:
- Stereotactic radiosurgery is a viable treatment for intracranial arteriovenous malformations (AVMs).
- The Spetzler-Martin scale predicts surgical AVM outcomes but not radiosurgery success.
- A specific scoring system is needed to predict radiosurgery outcomes for AVMs.
Purpose of the Study:
- To introduce and validate the radiosurgery-based AVM score (RBAS).
- To provide a tool for predicting patient outcomes after AVM radiosurgery.
- To guide treatment decisions for intracranial AVMs.
Main Methods:
- Development and refinement of the radiosurgery-based AVM score (RBAS).
- Validation of the RBAS across multiple centers and radiosurgical platforms (Gamma Knife®, LINAC, CyberKnife®).
Main Results:
- The RBAS accurately predicts outcomes for AVM radiosurgery.
- The score has been validated using various technologies and by multiple institutions.
- The RBAS assists in stratifying patients for comparative analyses.
Conclusions:
- The RBAS is a validated tool for predicting AVM radiosurgery outcomes.
- It enables informed decisions regarding observation, surgical resection, or radiosurgery.
- The RBAS should be utilized in future AVM radiosurgery research for patient stratification.
