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Spinal cord arteriovenous malformations with significant intramedullary components
Journal of Neurosurgery
|September 1, 1983
Summary
Intramedullary spinal arteriovenous malformations (AVMs) can cause severe neurological deficits. Microsurgical techniques offer safe and effective resection, leading to gratifying neurological improvement in patients.
Area of Science:
- Neurosurgery
- Neurology
- Vascular Surgery
Background:
- Intramedullary spinal arteriovenous malformations (AVMs) are infrequently discussed regarding their clinical presentation and surgical outcomes.
- A significant portion of operable spinal AVMs can involve major intramedullary components.
Purpose of the Study:
- To detail the occurrence, clinical manifestations, and resectability of intramedullary spinal AVMs.
- To evaluate the effectiveness of microsurgical techniques for these lesions.
Main Methods:
- Review of a series of 17 operable spinal AVM patients.
- Analysis of radiographic procedures for identifying intramedullary AVM components.
- Microsurgical resection of AVMs with intramedullary components.
Main Results:
- Six of 17 patients had AVMs with major intramedullary components.
- Hemorrhage from venous varices or thrombosis within varices caused neurological deficits.
- All patients showed gradual neurological improvement after microsurgical resection.
Conclusions:
- Intramedullary spinal AVMs can present with subarachnoid hemorrhage or sudden neurological deficits.
- Radiographic methods are crucial for identifying these complex lesions.
- Microsurgical resection is a safe and effective treatment for intramedullary spinal AVMs, yielding positive neurological outcomes.