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[Cerebral arteriovenous malformations. Diagnosis, clinical aspects and therapy]
P Berlit1, E Berg-Dammer, H C Nahser
1Neurologische Klinik mit klinischer Neurophysiologie, Alfried-Krupp-Krankenhaus Essen.
Insights
Cerebral arteriovenous malformations (AVMs) are congenital brain lesions presenting with hemorrhage or seizures, typically before age 40. Optimal treatment combines interventional neuroradiology, radiosurgery, and microsurgery tailored to each patient.
Area of Science:
- Neurology
- Neurosurgery
- Radiology
Context:
- Cerebral arteriovenous malformations (AVMs) are complex congenital vascular anomalies.
- These lesions are characterized by abnormal connections between arteries and veins in the brain.
- AVMs can lead to significant neurological deficits and life-threatening complications.
Purpose:
- To provide a comprehensive overview of cerebral arteriovenous malformations.
- To detail the classification, clinical manifestations, and diagnostic methods for AVMs.
- To outline current treatment strategies for AVMs.
Summary:
- AVMs are classified by volume, feeding arteries, venous drainage, and location.
- Clinical presentations include intracerebral/subarachnoidal hemorrhage and epileptic seizures, often before age 40.
- Diagnosis relies on MRI and selective angiography, with treatment involving a multimodal approach.
Impact:
- This overview aids clinicians in understanding and managing AVMs.
- It highlights the importance of individualized treatment plans for optimal patient outcomes.
- Enhanced diagnostic and therapeutic strategies contribute to improved AVM patient care.
Abstract:
An overview of cerebral arteriovenous malformations is presented. These congenital lesions are classified according to volume, number of feeding arteries, type of venous drainage, and localization. Clinical manifestations are intracerebral or subarachnoidal hemorrhages, or symptomatic epileptic seizures. Most patients with AVM exhibit their first symptoms before the age of 40. Migraine-like headaches and "steal" phenomena are rarely the main symptoms. Diagnosis is obtained by means of MRI and selective angiography; the treatment of choice is a combination of interventional neuroradiological therapy, radiosurgery and/or microsurgery which is adjusted to the individual case.