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Chronic Inflammatory Demyelinating Polyneuropathy Following Natural Influenza A Infection in a Pediatric Patient: A
Emily Grew1, Garrett Gianneschi2, Janet Elgallab2
1Department of Pediatrics, New York University-Langone, New York, New York, USA.
Abstract:
Chronic inflammatory demyelinating polyneuropathy (CIDP) following viral infections and influenza vaccination has been well documented. However, there have been no confirmed natural influenza A infections leading to development of CIDP. Therefore, we present the case of a 6-year-old male who developed CIDP following a confirmed influenza A infection. Initially presenting with typical flu-like symptoms, the patient experienced a gradual onset of gait instability and leg weakness approximately 1 month later. Despite initial improvement with intravenous immunoglobulin therapy following a diagnosis of Guillain-Barré syndrome, his symptoms relapsed, including lower extremity weakness, incontinence, and sensory loss. Electromyography confirmed a demyelinating polyneuropathy, leading to a diagnosis of CIDP.
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