Diseases and Conditions

Giant cell arteritis

Complications

Giant cell arteritis can cause serious complications, including:

  • Blindness. Diminished blood flow to your eyes can cause sudden, painless vision loss in one or, rarely, both eyes. Loss of vision is usually permanent.
  • Aortic aneurysm. An aneurysm is a bulge that forms in a weakened blood vessel, usually in the large artery that runs down the center of your chest and abdomen (aorta). An aortic aneurysm might burst, causing life-threatening internal bleeding.

    Because this complication can occur even years after the diagnosis of giant cell arteritis, your doctor might monitor your aorta with annual chest X-rays or other imaging tests, such as ultrasound and CT.

  • Stroke. This is an uncommon complication of giant cell arteritis.