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Arq. neuropsiquiatr ; 67(1): 55-57, Mar. 2009. ilus
Article in English | LILACS | ID: lil-509108

ABSTRACT

In two children with near drowning hypoxic encephalopathy and normal-appearing structural MRI, acute proton magnetic resonance spectroscopy (¹H MRS) showed biochemical alterations that correctly indicated prognosis and helped to guide management decisions. Elevation of the lipid-lactate and glutamine-glutamate peaks, on the early (72 hour) ¹H MRS, predicts a poor prognosis. Absence of lipid-lactate and glutamine-glutamate peaks on the early ¹H MRS and reversibility of early mild metabolite abnormalities on follow up examination relates with good outcome.


Em duas criancas vítimas de quase-afogamento com encefalopatia hipóxico-isquêmica, que apresentaram ressonância magnética por imagem normal, a espectroscopia de prótons por ressonância magnética (¹H MRS) na fase aguda mostrou alterações bioquímicas que corretamente indicaram o prognóstico e ajudaram a guiar o manejo terapêutico. Elevação dos picos de lipídeo-lactato e glutamina-glutamato na ¹H MRS precoce realizada com 72 horas previu um mau prognóstico. Relacionaram-se com bom prognóstico; a ausência dos picos de lipídeo-lactato e glutamina-glutamato na ¹H MRS precoce, e a reversibilidade no exame de controle (3 meses) das discretas anormalidades metabólicas encontradas no primeiro exame.


Subject(s)
Child , Child, Preschool , Female , Humans , Male , Glutamic Acid/metabolism , Glutamine/metabolism , Hypoxia-Ischemia, Brain/metabolism , Lactic Acid/metabolism , Magnetic Resonance Spectroscopy/methods , Near Drowning/metabolism , Hypoxia-Ischemia, Brain/diagnosis , Lipid Metabolism , Near Drowning/diagnosis , Prognosis , Protons
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