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Necrotizing vasculitis

Necrotizing vasculitis is a group of disorders that involve inflammation of the blood vessel walls. The size of the affected blood vessels helps to determine the names of these conditions and how the disorder causes disease.

Causes

Necrotizing vasculitis may be the primary condition such as in people with polyarteritis nodosa or granulomatosis with ANCA associated vasculitis (formerly called Wegener granulomatosis). In other cases, the vasculitis may occur as part of another disorder, such as systemic lupus erythematosus or hepatitis C.

The cause of the inflammation is unknown. It is likely related to autoimmune factors. The wall of the blood vessel may scar and thicken or die (become necrotic). The blood vessel may close, interrupting blood flow to the tissues it supplies. The lack of blood flow will cause the tissues to die. Sometimes the blood vessel may break and bleed (rupture).

Necrotizing vasculitis may affect blood vessels in any part of the body. Therefore, it can cause problems in the skin, brain, lungs, intestines, kidney, brain, joints or any other organ.

Symptoms

Fever, chills, fatigue, arthritis, or weight loss may be the only symptoms at first. However, symptoms may be in almost any part of the body.

Skin:

  • Red or purple colored bumps on the legs, hands or other parts of the body
  • Bluish color to the fingers and toes
  • Signs of tissue death due to lack of oxygen such as pain, redness, and ulcers that do not heal

Muscles and joints:

Brain and nervous system:

  • Pain, numbness, tingling in an arm, leg, or other body area
  • Weakness of an arm, leg, or other body area
  • Pupils that are different sizes
  • Eyelid drooping
  • Swallowing difficulty
  • Speech impairment
  • Movement difficulty

Lungs and respiratory tract:

  • Cough
  • Shortness of breath
  • Sinus congestion and pain
  • Coughing up blood or bleeding from the nose

Other symptoms include:

  • Abdominal pain
  • Blood in the urine or stools
  • Hoarseness or changing voice
  • Chest pain from damage of the arteries that supply the heart (coronary arteries)

Exams and Tests

The health care provider will do a complete physical exam. A nervous system (neurological) exam may show signs of nerve damage.

Tests that may be done include:

  • Complete blood count, comprehensive chemistry panel, and urinalysis
  • Chest x-ray
  • C-reactive protein test
  • Sedimentation rate
  • Hepatitis blood test
  • Blood test for antibodies against neutrophils (ANCA antibodies) or nuclear antigens (ANA)
  • Blood test for cryoglobulins
  • Blood test for complement levels
  • Imaging studies such as angiogram, ultrasound, computed tomography (CT) scan, or magnetic resonance imaging (MRI)
  • Biopsy of the skin, muscle, organ tissue, or nerve

Treatment

Corticosteroids are given in most cases. The dose will depend on how bad the condition is.

Other drugs that suppress the immune system may reduce inflammation of the blood vessels. These include azathioprine, methotrexate, and mycophenolate. These medicines are often used along with corticosteroids. This combination makes it possible to control the disease with a lower dose of corticosteroids.

For severe disease, cyclophosphamide (Cytoxan) has been used for many years. However, rituximab (Rituxan) is equally effective and is less toxic.

Recently, tocilizumab (Actemra) was shown to be effective for giant cell arteritis so the dose of corticosteroids could be reduced.

Outlook (Prognosis)

Necrotizing vasculitis can be serious and life-threatening disease. The outcome depends on the location of the vasculitis and the severity of tissue damage. Complications may occur from the disease and from the medicines. Most forms of necrotizing vasculitis require long-term follow-up and treatment.

Possible Complications

Complications may include:

  • Permanent damage to the structure or function of the affected area
  • Secondary infections of necrotic tissues
  • Side effects from medicines used

When to Contact a Medical Professional

Contact your provider if you have symptoms of necrotizing vasculitis.

Emergency symptoms include:

  • Problems in more than one part of the body such as stroke, arthritis, severe skin rash, abdominal pain or coughing up blood
  • Changes in pupil size
  • Loss of function of an arm, leg, or other body part
  • Speech problems
  • Swallowing difficulty
  • Weakness
  • Severe abdominal pain

Prevention

There is no known way to prevent this disorder.

Open References

References

Dinulos JGH. Hypersensitivity syndromes and vasculitis. In: Dinulos JGH, ed. Habif's Clinical Dermatology. 7th ed. Philadelphia, PA: Elsevier; 2021:chap 18.

Free M, Jennette JC, Falk RJ, Jain K. Renal and systemic vasculitis. In: Johnson RJ, Floege J, Tonelli M, eds. Comprehensive Clinical Nephrology. 7th ed. Philadelphia, PA: Elsevier; 2024:chap 26.

Rhee RL, Hogan SL, Poulton CJ, et al. Trends in long-term outcomes among patients with antineutrophil cytoplasmic antibody-associated vasculitis with renal disease. Arthritis Rheumatol. 2016;68(7):1711-1720. PMID: 26814428 pubmed.ncbi.nlm.nih.gov/26814428/.

Saha MK, Pendergraft WF, Jennette C, Falk RJ. Primaryu glomerular disease. In: Yu ASL, Chertow GM, Luyckx VA, Marsden PA, Skorecki K, Taal MW, eds. Brenner and Rector's The Kidney. 11th ed. Philadelphia, PA: Elsevier; 2020:chap 31.

Stone JH, Klearman M, Collinson N. Trial of tocilizumab in giant-cell arteritis. N Engl J Med. 2017;377(15):1494-1495. PMID: 29020600 pubmed.ncbi.nlm.nih.gov/29020600/.

  • Circulatory system

    Circulatory system - illustration

    Blood used by the body is brought back to the heart and lungs by the veins of the body. Once the blood has gathered more oxygen from the lungs, it is pumped back out to the body through the arteries.

    Circulatory system

    illustration

  • Circulatory system

    Circulatory system - illustration

    Blood used by the body is brought back to the heart and lungs by the veins of the body. Once the blood has gathered more oxygen from the lungs, it is pumped back out to the body through the arteries.

    Circulatory system

    illustration

 

Review Date: 4/30/2023

Reviewed By: Neil J. Gonter, MD, Assistant Professor of Medicine, Columbia University, New York, NY, and private practice specializing in Rheumatology at Rheumatology Associates of North Jersey, Teaneck, NJ. Review provided by VeriMed Healthcare Network. Also reviewed by David C. Dugdale, MD, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.

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