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[Arteriovenous malformations in deep cerebral area. Topographic classification. Therapeutic possibilities and results
Insights
This study analyzes deep cerebral arteriovenous malformations (AVMs), finding surgical extirpation effective despite risks. Early intervention and surgical technique are crucial for successful outcomes in AVM patients.
Area of Science:
- Neurosurgery
- Neuroradiology
- Neurology
Background:
- Arteriovenous malformations (AVMs) in the deep cerebral area pose significant clinical challenges.
- Hemorrhagic accidents are a common presentation for these deep cerebral AVMs.
- Accurate radiological classification is essential for understanding AVM characteristics.
Purpose of the Study:
- To classify deep cerebral AVMs based on location and radiological findings.
- To analyze the efficacy of surgical techniques for AVM extirpation.
- To identify factors influencing surgical outcomes and patient prognosis.
Main Methods:
- Radiological classification of 46 deep cerebral AVMs.
- Analysis of surgical techniques employed for complete AVM extirpation.
- Evaluation of postoperative outcomes and influencing factors.
Main Results:
- Complete surgical extirpation was achieved in 26 out of 39 operated patients.
- Excellent outcomes were observed in 19 cases, good in 8, and mediocre in 4.
- Preoperative disturbance of consciousness and AVM complexity were key factors affecting results.
Conclusions:
- Surgical intervention for deep cerebral AVMs is indicated due to the inherent dangers of spontaneous evolution.
- Despite technical difficulties, surgical extirpation offers a viable treatment option.
- Embolization techniques may be considered, but surgery remains crucial if they prove ineffective.
Abstract:
The authors study the clinical dispositions of 46 arteriovenous malformations developed in deep cerebral area and detected in 41 cases by an haemorrhagic accident and after make a radiological classification. They class the M.A.V. of nucleus centralis with the localizations of the nucleus caudate's head, the insula and lentiformis nucleus and the capsulo thalamic area; the ventriculo-cisternalis M.A.V., the corpus callosum M.A.V. and complicated forms. With this classification they analyse the different operative technics that permit to obtain a complete extirpation in 26 cases about 39 operated patients. The results are excellent in 19 cases, good for 8 cases and mediocre in 4 cases. Eight patients are died during post operative time. The most important factors for the final result are the disturbance of consciousness before operative time and the malformations developed about several anatomical area. At last the authors insist on the fact that, if during next years, the embolism technics are not effective, the operation will be indicate in spite of the technical difficulties because the spontaneous evolution is always dangerous.