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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.

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Circulatory system

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Causes

Necrotizing vasculitis may be the primary condition such as polyarteritis nodosa or granulomatosis with polyangiitis (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.

Necrotizing vasculitis may affect any blood vessel in the body. Therefore, it can cause problems in the skin 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:

Muscles and joints:

Brain and nervous system:

Lungs and respiratory tract:

Other symptoms include:

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:

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. 

For severe disease, rituximab (Rituxan) may be used. Another choice for severe disease is cyclophosphamide (Cytoxan).

Outlook (Prognosis)

The outcome depends on the location of the vasculitis and the severity of tissue damage.

Possible Complications

Complications may include:

When to Contact a Medical Professional

Call your provider if you have symptoms of necrotizing vasculitis.

Emergency symptoms include:

Prevention

There is no known way to prevent this disorder.

Related Information

Proliferation
Rheumatoid arthritis
Systemic lupus erythematosus
Polyarteritis nodosa
Scleroderma
Necrosis
Secondary infections

References

Habif TP. Hypersensitivity syndromes and vasculitis. In: Habif TP, ed. Clinical Dermatology. 6th ed. St Louis, MO: Elsevier; 2016:chap 18.

Hoffman GS. L52. Vasculitis treatment: is it time to change the standard of care for ANCA-associated vasculitis? Presse Med. 2013;42(4 Pt 2):643-650. PMID: 23474045 www.ncbi.nlm.nih.gov/pubmed/23474045.

Jennette JC, Falk RJ, Bacon PA, et al. 2012 revised international Chapel Hill consensus conference nomenclature of vasculitides. Arthritis Rheum. 2013;65(1):1-11. PMID: 23045170 www.ncbi.nlm.nih.gov/pubmed/23045170.

Jennette JC, Weimer ET, Kidd J. Vasculitis. In: McPherson RA, Pincus MR, eds. Henry's Clinical Diagnosis and Management by Laboratory Methods. 23th ed. St Louis, MO: Elsevier; 2017:chap 53.

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Review Date: 4/24/2017  

Reviewed By: Gordon A. Starkebaum, MD, Professor of Medicine, Division of Rheumatology, University of Washington School of Medicine, Seattle, WA. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.

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