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Diet therapy in severe clinical expression of debrancher deficiency



Diet therapy in severe clinical expression of debrancher deficiency



Archivos de Investigacion Medica 22(3-4): 285-288



An eleven year old boy was referred because of sudden loss of consciousness, muscular weakness, poor general health, severe hypoglycemia with seizures and hepatomegaly. Response to oral glucose and galactose increased blood lactic acid and glucose at different times. Fasting values of blood lactic was normal, but glucose was found at 33 mg/dl. Similar test made up two hours after feeding revealed hyperlactatemia (35-50 mg/dL) and hyperglycemia (129 mg/dL). Glucagon did not result in a rise of glucose at fasting or feeding. Hepatic glycogen content was found 15 gm/100 mg of tissue. The enzyme activities revealed a deficiency of the liver debranching enzyme while leukocytes had normal enzyme activity. Hepatic biopsy showed liver fibrosis. The present case had the clinical characteristics of severe form of glycogen storage disease. A low carbohydrate and high protein diet was indicated in order to increase the gluconeogenic precursors. Although debranching enzyme deficiency is almost always benign a high carbohydrate diet induced a more severe expression of the disease.

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Accession: 039816810

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PMID: 1844114


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