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1.
Rev. chil. pediatr ; 79(supl.1): 103-109, nov. 2008.
Article in Spanish | LILACS-Express | LILACS | ID: lil-627462

ABSTRACT

Este artículo pretende entregar información respecto a las características de las evaluaciones psicológicas que se realizan en el Programa de Seguimiento de los niños con Fenilquetonuria e Hipotiroidismo Congénito, en cuanto a periodicidad de los controles, tipo de instrumentos utilizados, ventajas y desventajas de ellos y entregar algunas observaciones a partir de la información que manejo y de la experiencia acumulada en más de doce años de participación en este programa.

2.
Rev. méd. Chile ; 130(3): 259-266, mar. 2002. tab
Article in Spanish | LILACS | ID: lil-314851

ABSTRACT

Background: Propionic aciduria (PA) and Methymalonic aciduria (MMA) result from an inherited abnormality of the enzymes propionyl CoA carboxylase and methylmalonyl CoA mutase respectively. This produces marked increases in the amino acids methionine, threonine, valine and isoleucine (MTVI). Their clinical presentation can be neonatal or late onset forms. Aim: To report 23 children with organic acidurias. Material and methods: Twenty three cases of organic acidurias diagnosed since 1980 (17 PA and 6 MMA) and followed at the Institute of Nutrition and Food Technology, are reported. Results: The average age of diagnosis was 3.9 days for the neonatal form and 8.3 months for the late onset form. The most frequent symptoms were hypotonia, lethargy and vomiting. Neonatal PA had mean ammonemias of 1089ñ678.3 µg/dl. The figure for MMA was 933ñ801.9 µg/dl. Seven children were dialyzed and 30 percent died. 16 children are followed and 81.2 percent have normal weight for age. Seven children required gastrostomy because of anorexia and failure to thrive. The nutritional treatment is based on natural and artificial proteins without MTVI, with periodical controls, amino acid and ammonia quantification. Some patients were submitted to enzyme assays and molecular studies. Conclusions: An early diagnosis and a very strict follow up allows a normal development of children with organic aciduras. There is a relationship between prognosis and the presentation form, the nutritional status and the emergency treatment during acute episodes. The importance of the enzymatic and molecular studies is emphasized because they facilitate treatment, accurate diagnosis and allow an adequate genetic counseling


Subject(s)
Humans , Male , Female , Infant, Newborn , Infant , Child, Preschool , Methylmalonic Acid/urine , Propionates/urine , Amino Acid Metabolism, Inborn Errors/diagnosis , Methylmalonic Acid/metabolism , Propionates/metabolism , Amino Acids/administration & dosage , Energy Intake , Amino Acid Metabolism, Inborn Errors/diet therapy , Amino Acid Metabolism, Inborn Errors/drug therapy , Methylmalonyl-CoA Mutase , Nutritional Status
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