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  • Title: Pediatric Acute Flaccid Paralysis: Enterovirus D68-Associated Anterior Myelitis.
    Author: Yoder JA, Lloyd M, Zabrocki L, Auten J.
    Journal: J Emerg Med; 2017 Jul; 53(1):e19-e23. PubMed ID: 28412073.
    Abstract:
    BACKGROUND: Enteroviral infections can cause acute flaccid paralysis secondary to anterior myelitis. Magnetic resonance imaging (MRI) is important in the diagnosis of this potentially devastating pediatric disease. Before the 2014 outbreak of Enterovirus D68 (EV-D68), the virus was considered a relatively benign disease. CASE REPORT: A fully immunized 8-year-old boy was brought to the emergency department complaining of a cough, headache, neck pain, and right arm pain and weakness. Deep tendon reflexes in the weak arm could not be elicited. MRI of the brain and cervical spine revealed anterior myelitis of the cervical spine. The patient was given intravenous antibiotics, acyclovir, and methylprednisolone with no initial improvement. He was then given intravenous immunoglobulin over 3 days with improvement in symptoms. Nasal swab polymerase chain reaction revealed EV-D68. Despite medical management, the child was left with long-term motor disability in the effected extremity. WHY SHOULD AN EMERGENCY PHYSICIAN BE AWARE OF THIS?: Acute flaccid paralysis is a potential devastating complication of enteroviral infections. Extremity complaints in the clinical setting of central nervous system infection should raise concern for encephalomyelitis. MRI is extremely helpful in establishing this diagnosis. Prevalence of non-polio enteroviral paralytic events is increasing in the United States. Potential EV-D68 cases should be reported to local health departments. Emergency medicine providers should consider this complication in the child with acute, unexplained significant respiratory illness with new neurologic complaints.
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