Spinal cord disorders:Arteriovenous malformations

Definition

common spinal vascular malformations

Symptoms

gradually progressive neurologic deficits

radicular pain

sudden back pain

Pathophysiology

AVM are small and localized

affect up to half the cord

may compress or replace spinal cord parenchyma

may rupture causing focal or hemorrhage

Diagnostic test

MRI

Treatment

surgery

stereotactic radiosurgery

angiographic embolization

Causes

Nursing care

unknown

maintain patent airway

administer oxygen