What qualifies as a severe case of vasculitis?

Severity can have many definitions. From an individual patient’s perspective, severity can be viewed impact the vasculitis has on their overall functioning or the functioning of an individual organ system. From the perspective of your treating physician or a researcher involved in vasculitis, severe disease usually is taken to mean involvement with potentially life-threatening or organ-threatening disease. Involvement of the kidneys, brain, eyes, heart and intestines, as well as bleeding into the lung, is typically considered features of “severe” disease.

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