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Neurologic Complications in Children with Enterovirus 71 Infection
NEJM 341:936-942, Huang,C-C.,et al, 1999
See this aricle in Pubmed

Article Abstract
The mean age of the patients was 2.5 years (range, 3 months to 8.2 years). Twenty-eight patients had hand-foot-and-mouth disease (68 percent), and six had herpangina (15 percent). The other seven patients had no skin or mucosal lesions. Thre e neurologic syndromes were identified; aseptic meningitis (in 3 patients); brain-stem encephalitis, or rhombencephalitis (in 37); and acute flaccid paralysis (in 4), which followed rhombencephalitis in 3 patients. In 20 patients with rhombencephalitis, t he syndrome was characterized by myoclonic jerks and tremor, ataxia, or both (grade I disease). Ten patients had myoclonus and cranial-nerve involvement (grade II disease). In seven patients the brain-stem infection produced transient myoclonus followed by the rapid onset of respiratory distress, cyanosis, poor peripheral perfusion, shock, coma, loss of the doll's eye reflex, and apnea (grade III disease); five of these patients died within 12 hours after admission. In 17 of the 24 patients with rhombenc ephalitis who underwent MRI, T2-weighted scans showed high-intensity lesions in the brain stem, most commonly in the pontine tegmentum. At follow-up, two of the patients with acute flaccid paralysis had residual limb weakness, and five of the patients wit h rhombencephalitis had persistent neurologic deficits, including myoclonus (in one child), cranial-nerve deficits (in two), and ventilator-dependent apnea (in two). In the 1998 enterovirus 71 epidemic in Taiwan, the chief neurologic complication was rhom bencephalitis, which had a fatality rate of 14 percent. The most common initial symptoms were myoclonic jerks, and MRI usually showed evidence of brainstem involvement.
 
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doll's head maneuver
encephalitis,brainstem
encephalomyelitis
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hand-foot-mouth disease
meningitis
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myoclonic jerks
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viral infection
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