Disability Awareness Hub: ANCA-Associated Vasculitis

June 27, 2025

What is ANCA-Associated Vasculitis?

ANCA stands for Anti-Neutrophil Cytoplasmic Antibodies, which are autoantibodies that mistakenly target and attack the body's own cells. 


ANCA-associated vasculitis (AAV) is a rare but serious autoimmune condition that causes inflammation of small blood vessels. This inflammation can lead to damage in various organs, including the kidneys, lungs, and skin. Understanding AAV and its impact is crucial for early diagnosis and effective management.


AAV encompasses several types of vasculitis, including:

  • Microscopic Polyangiitis (MPA): Causes inflammation of small blood vessels, often affecting the kidneys and lungs 
  • Granulomatosis with Polyangiitis (GPA): Previously known as Wegener's granulomatosis, this type involves granuloma formation and inflammation in the respiratory tract and kidneys 
  • Eosinophilic Granulomatosis with Polyangiitis (EGPA): Formerly Churg-Strauss syndrome, EGPA involves inflammation with high levels of eosinophils, affecting the lungs and other organs

Symptoms and Diagnosis


AAV can present with a wide range of symptoms, making it challenging to diagnose. Common symptoms include:

  • Fatigue and Fever: Persistent tiredness and unexplained fever 
  • Respiratory Issues: Chronic cough, shortness of breath, and haemoptysis (coughing up blood)
  • Kidney Problems: Blood in the urine, proteinuria, and renal impairment
  • Skin Manifestations: Purpuric rash and skin ulcers


Diagnosis typically involves blood tests to detect ANCA antibodies, urinalysis, imaging studies, and sometimes a biopsy of affected tissues. 


Treatment and Management


Early diagnosis and treatment are essential to prevent organ damage and improve outcomes.

Treatment usually involves:

  • Immunosuppressive Medications: Drugs like corticosteroids and cyclophosphamide to reduce inflammation and suppress the immune system
  • Biologic Therapies: Medications such as rituximab that target specific components of the immune system 
  • Supportive Care: Managing symptoms and monitoring organ function


Living with AAV can be challenging, but with proper management, individuals can lead fulfilling lives. Regular follow-ups with healthcare providers, adherence to treatment plans, and lifestyle adjustments are crucial. Support groups and educational resources can also provide valuable assistance and community support.

Raising awareness about ANCA-associated vasculitis is vital for early detection and effective management. By understanding the symptoms, diagnosis, and treatment options, we can support those affected by this condition and improve their quality of life.


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