Avaliação nutricional e níveis séricos de zinco e cobre em crianças portadoras de leucemia linfocítica aguda
Um estudo longitudinal
Palavras-chave:
Leucemia, Criança, Estado nutricional, Zinco, CobreResumo
CONTEXTO E OBJETIVO: Crianças portadoras de leucemia linfóide aguda quando em tratamento quimioterápico e/ou radioterápico podem apresentar comprometimento do estado nutricional devido aos efeitos tóxicos a nível gastrointestinal dos agentes quimioterápicos ou aos efeitos da radioterapia sobre o organismo. Esses pacientes também podem apresentar alterações nas concentrações séricas de zinco e cobre. O objetivo foi acompanhar os parâmetros antropométricos e os níveis séricos de zinco e cobre de crianças em tratamento para leucemia linfóide aguda. TIPO DE ESTUDO E LOCAL: Estudo longitudinal, realizado no Hospital das Clínicas da Faculdade de Medicina de Ribeirão Preto, Ribeirão Preto, São Paulo, Brasil, que envolveu 45 crianças do Serviço de Oncologia pediátrica, portadoras de leucemia linfóide aguda. MÉTODOS: Medidas antropométricas como peso e altura, medidas de consumo alimentar, assim como níveis séricos de zinco e cobre foram avaliados ao diagnóstico e durante o tratamento. RESULTADOS: No início do tratamento, houve aumento na ingestão calórica, acompanhada de ganho de peso, no entanto, nas fases seguintes ao tratamento houve redução na ingestão alimentar, resultando em perda de peso. Diminuição na velocidade de crescimento foi notada nas crianças com leucemia linfóide aguda de alto risco que foram submetidas a radioterapia. Os níveis séricos de zinco não sofreram alterações durante o tratamento, já os níveis séricos de cobre tiveram importante diminuição em relação ao início do tratamento. CONCLUSÕES: Pudemos observar alterações no estado nutricional, assim como alterações nas concentrações séricas de micronutrientes durante o tratamento para leucemia linfóide aguda.
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