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Giant cell arteritis (GCA), also called temporal arteritis, is an inflammatory autoimmune disease of large blood vessels. [ 4 ] [ 7 ] Symptoms may include headache , pain over the temples, flu-like symptoms , double vision , and difficulty opening the mouth. [ 3 ]
Giant cell arteritis contains two different types of arteritides that are almost indistinguishable from one another. [2] It includes two types, temporal arteritis and Takayasu arteritis. Both types contain an occupancy of medium- and larger-sized arteries which are categorized based on the infiltration of the giant cells. [2]
Giant cell arteritis is most prevalent in older individuals, with the rate of disease being seen to increase from age 50. Women are 2–3 times more likely to develop the disease than men. Northern Europeans have been observed to have a higher incidence of giant cell arteritis compared to southern European, Hispanic, and Asian populations.
Sudden visual loss is the most common symptom in AAION, [1] and is most often accompanied by other symptoms of temporal arteritis: such as jaw claudication, scalp tenderness, unintentional weight loss, fatigue, myalgias and loss of appetite. [1] A related disease called polymyalgia rheumatica has a 15 percent incidence of giant cell arteritis.
Giant cell arteritis (GCA) is the most common type of systemic vasculitis in adults. Polymyalgia rheumatica (PMR), headache, jaw claudication, and visual symptoms are the classic manifestations; however, 40% of patients present with a variety of occult manifestations. [9]
Giant cell arteritis: Headache, scalp tenderness, jaw claudication, and blindness. [10] Primary medium vessel vasculitis [8] Polyarteritis nodosa:
Giant cell arteritis affects older individuals (>50 years) and women more than men, so a grandmother would be in a high-risk group. Classically, this type of vasculitis causes lots of inflammation and it results in a really high erythrocyte sedimentation rate (or ESR for short) - sometimes over 100!
AAION is due to temporal arteritis (also called giant-cell arteritis), an inflammatory disease of medium-sized blood vessels (Chapel-Hill-Conference) that occurs especially with advancing age. In contrast, NAION results from the coincidence of cardiovascular risk factors in a patient with "crowded" optic discs.