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Patients with C9 deficiency are often asymptomatic but some present systemic meningococcal infections. In Japan C9 deficiency is relatively common. Patients with C9 deficiency have the ability to kill Neisseria but at a slower rate.
Diagnosis
Diagnostic recommendations
Additional Information
Therapeutic options
- Fresh frozen plasma is used for emergent replacement of complements components. Supportive therapy is used for complement deficiencies. Prophylactic antibiotics for the infections. Specific treatment of autoimmune disease is followed.
- Complement deficiency, eMedicine
- Complement deficiency, eMedicine