Dural Arteriovenous Fistulas

A dural arteriovenous fistula is an abnormal connection between an artery and a vein within the tough membrane (the dura) that covers the brain and spinal cord.

Signs & Symptoms

Symptoms vary widely depending on location and can include headaches, ringing in the ears that pulses with the heartbeat, vision changes, or, in more serious cases, symptoms of bleeding in the brain.

Causes & Risk Factors

Many dural arteriovenous fistulas develop later in life, sometimes associated with a prior head injury, infection, surgery, or blood clots in the brain’s venous system. Some have no identifiable cause.

Diagnosis

Diagnosis typically involves imaging such as MRI or CT, along with a specialized scan of the blood vessels (angiogram) to map the abnormal connection.

Treatment Options

Treatment options include monitoring for low-risk fistulas, and minimally invasive embolization or surgery for those at higher risk of bleeding.

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This information is for general education and isn’t a diagnosis or medical advice. To find out what’s right for you, request an appointment or call 810-262-7030.