The link between stroke and Arteriovenous Malformations
Posted Dec 14 2011 3:25am
Arteriovenous Malformations' (AVMs) expert and Consultant Neurosurgeon, Mr Christos Tolias describes how AVMs can occur anywhere in the brain and spinal cord. Brain AVMs can occur on the surface (cortical), deep (in the thalamus, basal ganglia, or brainstemThe lowest part of the brain, connecting it with the spinal cord, and responsible for controlling automatic vital functions such as heartbeat, breathing and swallowing.), and within the dura (the tough protective covering of the brain). Spinal AVMs can occur on the surface (extramedullary) or within the spinal cord (intramedullary). These AVMs account for approximately 2% of haemorrhagic strokes annually.
Most AVMs do not show symptoms until a bleed occurs although common signs of brain AVMs include: