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Updated: Feb 16, 2026
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Induction and Micro-CT Imaging of Cerebral Cavernous Malformations in Mouse Model
Published on: September 4, 2017
11.4K
Risk Factors for Unfavorable Outcomes in Surgically Treated Brainstem Cavernous Malformations.
Edgar Nathal1, Hernan Mauricio Patiño-Rodriguez2, Antonio Arauz2
1Vascular Neurosurgery, National Institute of Neurology and Neurosurgery, "Manuel Velasco Suarez", Mexico City, Mexico.
World Neurosurgery
|December 31, 2017
Summary
Brainstem cavernous malformations (BSCMs) larger than 15 mm, lower cranial nerve deficits, and prior hemorrhagic recurrence are key risk factors for unfavorable surgical outcomes in patients with BSCMs.
Area of Science:
- Neurosurgery
- Neurology
- Vascular Malformations
Background:
- Brainstem cavernous malformations (BSCMs) constitute a significant portion of intracranial cavernous malformations, posing surgical challenges due to their location.
- Identifying risk factors for adverse outcomes in BSCM surgery is crucial for patient management.
Purpose of the Study:
- To identify predictive factors associated with unfavorable surgical outcomes in patients with brainstem cavernous malformations.
Main Methods:
- Retrospective review of 50 patients who underwent surgical resection of BSCMs between 2000 and 2015.
- Univariate and multivariable logistic regression analyses were employed to determine predictors of unfavorable outcomes (modified Rankin Scale score >2).
Main Results:
- Multivariable analysis revealed that BSCM size >15 mm, lower cranial nerve deficits, and prior hemorrhagic recurrence were significant predictors of unfavorable outcomes.
- While 92% achieved gross total resection and 80% showed clinical improvement or stability, only 58% had a favorable outcome (mRs ≤2).
Conclusions:
- BSCM size, lower cranial nerve involvement, and pre-operative hemorrhagic recurrence are critical risk factors for unfavorable outcomes in surgically treated brainstem cavernous malformations.
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