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Walk the Even Hospital Database by book and chapter — the raw source passages that ground Ask, DDx, and the rest.
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Giant Cell Arteritis. Giant cell arteritis is a relapsing large-vessel vasculitis affecting the aorta and its branches. It is the most common vasculitis in persons 50 years of age and older. Vision loss occurs in 18% of patients and is preventable with prompt recognition, evaluation, and treatment. Large-artery complications include stenosis, aortic aneurysms, or dissections. Glucocorticoid therapy is effective, but nearly 50% of patients experience relapse. Tocilizumab and upadacitinib are efficacious glucocorticoid-sparing therapies. Patients require long-term monitoring for aortic aneurysms, a late disease complication, even after therapy is discontinued.