In AAV, testing positive for C-ANCA raises risk of lung bleeding 5 times
People with ANCA-associated vasculitis (AAV) who test positive for a staining pattern of self-reactive antibodies called cytoplasmic ANCA (C-ANCAs) are nearly five times more likely to have bleeding into the lungs’ air sacs, known as alveolar hemorrhage, a study found. C-ANCA is marked by the presence of ANCAs —…