Abstract
Objective
The article analyzes the clinical features, morphological characteristics, surgical subtleties and long-term outcome of surgery in 89 cases of ‘large’ sized AVMs.
Materials and methods
During the period 2004 to 2022, 89 cases of ‘large’ arteriovenous malformations were operated in the neurosurgery departments of the authors. Large AVMs were defined as those that were more than 4 cm on either lateral or antero-posterior view of digital subtraction angiogram. The factors that determined the extent of surgical difficulties included site and eloquence of the area, number of feeding vascular territories and draining veins, degree and rate of flow, presence of flow-related aneurysms, and the physical nature of the arteriovenous malformation.
Results
There were 59 males and 30 females and the average age was 32 years. Headache, giddiness and convulsions were the common presenting complaints. Six patients were unconscious after surgery. Of these, five patients died in the immediate post-operative period and one patient gradually recovered. Additionally, seven patients developed unilateral limb weakness that included hemiplegia (4 patients) and hemiparesis (3 patients) following surgery. Clinical follow-up ranged from 6 months to 18 years (average 43 months). All surviving patients are leading normal and essentially symptom free life and have recovered from their symptoms of headache, convulsions and giddiness.
Conclusions
Large AVMs are amenable to ‘curative’ surgery with ‘acceptable’ results. The surgery can be challenging and appropriate case selection that is based on the surgeons experience is vital and decisive.
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Data availability
No datasets were generated or analysed during the current study.
Abbreviations
- AVM:
-
Arteriovenous malformation
- ACA:
-
Anterior cerebral artery
- MCA:
-
Middle cerebral artery
- PCA:
-
Posterior cerebral artery
- SCA:
-
Superior cerebellar artery
- AICA:
-
Anterior Inferior cerebellar artery
- PICA:
-
Posterior Inferior cerebellar artery
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A.G.: Conceptualization, Methodology, Validation, Formal analysis, Writing – Original draft, Writing – Review and Editing, Supervision, Project Administration. R.V.: Methodology, Validation, Formal analysis, Writing – Review and Editing. A.S: Conceptualization, Methodology, Validation, Formal analysis, Writing – Original draft, Writing – Review and Editing, Supervision. A.P: Methodology, Validation, Formal analysis, Writing – Review and Editing. K.A: Methodology, Validation, Writing – Review and Editing. A.S: Methodology, Validation, Writing – Review and Editing.
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Goel, A., Vutha, R., Shah, A. et al. Clinical analysis of surgical outcome of 89 patients having large cerebral arteriovenous malformations. Neurosurg Rev 47, 224 (2024). https://doi.org/10.1007/s10143-024-02447-4
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DOI: https://doi.org/10.1007/s10143-024-02447-4