Organ system | Severe manifestation |
Central nervous | Cerebral vasculitis |
Cardiac | Coronary vasculitis pericarditis; myocarditis |
Pulmonary | Alveolar hemorrhage; status asthmaticus |
Gastrointestinal | GI bleeding from vasculitis; mesenteric ischemia |
Kidney | Glomerulonephritis |
Peripheral nervous | Progressive cranial or peripheral neuropathy |
Peripheral vascular | Critical limb ischemia; venous thromboembolism |