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Nutrition Interventions for Children with Special Health Care Needs

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Chapter 21 - <strong>Nutrition</strong> <strong>Interventions</strong> <strong>for</strong> Metabolic Disorders<br />

Adjunct<br />

treatment<br />

Biochemical features <strong>Nutrition</strong>al<br />

treatment<br />

Disorder Enzyme: missing<br />

or inactive<br />

Organic Acid Disorders<br />

L-carnitine, vitamin B12<br />

Food: low protein<br />

Metabolic acidosis; vomiting;<br />

seizures; coma; often death, �<br />

organic acid, ammonia levels<br />

Methylmalonic aciduria Methylmalonyl-CoA<br />

mutase, or similar<br />

IV fluids, bicarbonate<br />

during acute episodes<br />

<strong>Special</strong>ized <strong>for</strong>mula: lower<br />

protein <strong>with</strong>out isoleucine,<br />

methionine, threonine,<br />

valine<br />

L-carnitine, biotin<br />

Food: low protein<br />

Metabolic acidosis; �<br />

ammonia, propionic acid; �<br />

methylcitric acid in urine<br />

Propionic aciduria Propionyl-CoA<br />

carboxylase, or similar<br />

IV fluids, bicarbonate<br />

during acute episodes<br />

<strong>Special</strong>ized <strong>for</strong>mula: lower<br />

protein <strong>with</strong>out isoleucine,<br />

methionine, threonine,<br />

valine<br />

L-carnitine, L-glycine<br />

Food: low protein<br />

Poor feeding; lethargy;<br />

seizures; metabolic<br />

ketoacidosis; hyperammonemia<br />

Isovaleric acidemia Isovaleryl-CoA<br />

dehydrogenase<br />

242 <strong>Nutrition</strong> <strong>Interventions</strong> <strong>for</strong> <strong>Children</strong> With <strong>Special</strong> <strong>Health</strong> <strong>Care</strong> <strong>Needs</strong><br />

<strong>Special</strong>ized <strong>for</strong>mula:<br />

<strong>with</strong>out leucine<br />

L-carnitine, bicitra<br />

Food: low protein<br />

Vomiting; dehydration;<br />

metabolic ketoacidosis<br />

Ketone utilization disorder 2-methylacetoacetyl-CoAthiolase,<br />

or similar<br />

<strong>Special</strong>ized <strong>for</strong>mula:<br />

<strong>with</strong>out isoleucine<br />

Avoid fasting,<br />

emphasize high complex<br />

carbohydrates<br />

Supplemental oral biotin<br />

Biotinidase deficiency Biotinidase, or similar In infancy, seizures, hypotonia,<br />

rash, stridor apnea; in older<br />

children, also alopecia, ataxia,<br />

developmental delay, hearing<br />

loss

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