Journal of child neurology
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Bickerstaff brainstem encephalitis is a clinical syndrome of ophthalmoplegia, cerebellar ataxia, and central nervous system signs and is associated with the presence of anti-GQ1b antibodies. There is a clinical continuum between Bickerstaff brainstem encephalitis and Miller Fisher syndrome. We describe the case of an 11-year-old boy with encephalopathy, external ophthalmoplegia, brainstem signs, and ataxia with raised titers of anti-GQ1b antibodies. ⋯ M pneumoniae infection has been associated with both Bickerstaff brainstem encephalitis and Miller Fisher syndrome. This is only the second case in the literature of Bickerstaff brainstem encephalitis with raised titers of anti-GQ1b antibodies described in association with M pneumoniae infection. The patient responded to intravenous immunoglobulin administration.
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Intravenous ketamine, often administered concomitantly with midazolam, is one of the most commonly used drugs for procedural sedation in children. Although it is considered safe for use in children, ketamine can increase intracranial pressure. Hence, this study was carried out to determine whether adding ketamine to midazolam prior to performing lumbar puncture would be associated with a higher cerebrospinal fluid opening pressure in children with suspected aseptic meningitis. ⋯ Mean cerebrospinal fluid opening pressure in group A was 24.4 cm H2O (median 23 cm H2O) compared with 20 cm H2O (median 19.8 cm H2O) in group B (P = .011). Intravenous ketamine prior to performing lumbar puncture is associated with a significantly higher lumbar cerebrospinal fluid opening pressure in children with aseptic meningitis. However, no outcome differences have been found between the two groups.