Acute motor axonal neuropathy associated with pandemic H1N1 influenza A infection

Kutleša, Marko and Santini, Marija and Krajinović, Vladimir and Raffanelli, Dinko and Baršić, Bruno (2010) Acute motor axonal neuropathy associated with pandemic H1N1 influenza A infection. Neurocritical Care, 13 (1). pp. 98-100. ISSN 1541-6933

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Abstract

BACKGROUND: Guillain-Barre syndrome (GBS) is a well known entity that has many infectious agents reported as antecedent events. The spectrum of GBS includes acute inflammatory demyelinating polyneuropathy (AIDP), acute motor axonal neuropathy (AMAN), acute motor sensory axonal neuropathy (AMSAN), and some other variants like Miller-Fisher syndrome (MFS). ----- METHODS: Patient with AMAN variant of GBS after severe bilateral pneumonia and ARDS due to the novel pandemic H1N1 influenza A virus is presented. ----- RESULTS: 28-year-old white female was admitted to our Intensive Care Unit during the influenza pandemic because of severe ARDS due to bilateral pneumonia. The course of the disease was complicated with the new onset tetraplegia due to the AMAN variant of GBS. Treatment with plasma exchange was conducted and the patient had satisfactory recovery. ----- CONCLUSION: We report a case of AMAN variant of GBS associated with proven H1N1 influenza A infection. This virus has not been reported previously as the agent of antecedent infection that induced this disorder. Risk factors for other causes of ICU neuromuscular weakness are usually present in the ICU patients and should not be the reason for reluctance in active quest for GBS. Once the diagnosis of GBS is established or suspected the treatment with plasma exchange or intravenous immune globulin is indicated.

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