Women are about two times more likely to develop the condition than men are. Most people with this condition develop signs and symptoms between the ages of 70 and 80. Giant cell arteritis affects adults only, and rarely those under 50. Several factors can increase your risk of developing giant cell arteritis, including: Certain genes and environmental factors might increase your susceptibility to the condition. What causes these arteries to become inflamed isn't known, but it's thought to involve abnormal attacks on artery walls by the immune system. These are just in front of your ears and continue up into your scalp. This swelling narrows your blood vessels, reducing the amount of blood - and, therefore, oxygen and vital nutrients - that reaches your body's tissues.Īlmost any large or medium-sized artery can be affected, but swelling most often occurs in the arteries in the temples. With giant cell arteritis, the lining of arteries becomes inflamed, causing them to swell. If you're diagnosed with giant cell arteritis, starting treatment as soon as possible can usually help prevent vision loss. If you develop a new, persistent headache or any of the signs and symptoms listed above, see your doctor without delay. About 50 percent of people with giant cell arteritis also have polymyalgia rheumatica. Pain and stiffness in the neck, shoulders or hips are common symptoms of a related disorder, polymyalgia rheumatica. Sudden, permanent loss of vision in one eye.
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