Disease Information for Vasculitis: Definition

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  • Inflammation of a blood vessel; Vasculitis; Angiitis;

    Vasculitis is inflammation of blood vessels; In individuals with vasculitis, inflammation damages the lining of affected blood vessels, causing narrowing, the formation of blood clots (thrombosis), and/or blockage; As a result, there may be restriction of oxygenated blood supply to certain tissues (ischemia), potentially resulting in pain, tissue damage, and, in some cases, malfunction of certain affected organs; Vasculitis may affect veins and arteries of any type or size; may involve a single organ or many organs and tissues of the body; and may be a primary disease process or occur due to or in association with a number of different underlying disorders; Therefore, the range and severity of symptoms and findings associated with vasculitis may vary greatly; The specific underlying cause of vasculitis is not fully understood; However, in most cases, it is thought to be due to disturbances of the body’s immune system---------[NORD 2005]--------------

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