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Guillain-Barre syndrome - Overview

Alternative Names

Landry-Guillain-Barre syndrome; Acute idiopathic polyneuritis; Infectious polyneuritis; Acute inflammatory polyneuropathy; Acute inflammatory demyelinating polyneuropathy

Definition of Guillain-Barre syndrome :

Guillain-Barre syndrome is a serious disorder that occurs when the body's defense (immune) system mistakenly attacks part of the nervous system. This leads to nerve inflammation that causes muscle weakness.

Causes, incidence, and risk factors:

Guillain-Barre syndrome is an autoimmune disorder (the body's immune system attacks itself). Exactly what triggers Guillain-Barre syndrome is unknown. The syndrome may occur at any age, but is most common in people of both sexes between ages 30 and 50.

It often follows a minor infection, such as a lung infection or gastrointestinal infection. Most of the time, signs of the original infection have disappeared before the symptoms of Guillain-Barre begin.

The swine flu vaccination in 1976 may have caused rare cases of Guillain-Barre syndrome. However, the swine flu and the regular flu vaccines used today have not resulted in more cases of the illness.

Guillain-Barre syndrome damages parts of nerves. This nerve damage causes tingling, muscle weakness, and paralysis. Guillain-Barre syndrome most often affects the nerve's covering (myelin sheath). Such damage is called demyelination, and it causes nerve signals to move more slowly. Damage to other parts of the nerve can cause the nerve to stop working altogether.

Guillain-Barre syndrome may occur along with viral infections such as:

  • AIDS
  • Herpes simplex
  • Mononucleosis

It may also occur with other medical conditions such as systemic lupus erythematosus or Hodgkin's disease.

Some people may get Guillain-Barre syndrome after a bacterial infection. A similar syndrome may occur after surgery, or when someone is critically ill (neuropathy of critical illness).

  • Reviewed last on: 6/15/2010
  • David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine; and Daniel B. Hoch, PhD, MD, Assistant Professor of Neurology, Harvard Medical School, Department of Neurology, Massachusetts General Hospital. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

References

Hughes RA, Raphael JC, Swan AV, van Doorn PA. Intravenous immunoglobulin for Guillain-Barre syndrome. Cochrane Database Syst Rev. 2009;(1):CD002063.

Hughes RA, Wijdicks EF, Barohn R, et al. Practice parameter: immunotherapy for Guillain-Barre syndrome: report of the Quality Standards Subcommittee of the American Academy of Neurology. Neurology. 2003;61(6):736-740.

Shy ME. Peripheral neuropathies. In: Goldman L, Ausiello D, eds. Cecil Medicine. 23rd ed. Philadelphia, Pa: Saunders Elsevier;2007:chap 446.

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