Nutrition management guideline for maple syrup urine disease. The urine of these infants smelled like maple syrup or burned sugar, whence the disease got its name of maple syrup urine disease or msud. Maple syrup urine disease in adults what doctors want. Fruits and vegetables including potatoes are and will remain the foundation of your childs diet. Patients are prescribed a protein restricted diet to prevent elevated levels of leu, ile and val, and thus preventing brain damage. Amino acids are what remain after your body digests protein from the food you eat.
Tailoring of the diet for the individual in maple syrup urine disease. When the condition is diagnosed, and during acute episodes, treatment involves eating a proteinfree diet. Dietary therapy of msud thus consists of a combination of. Even babies in a treatment plan can experience incidents of extreme. The nutrition management guideline for individuals with maple syrup urine disease msud is part of a larger project undertaken by the southeast newborn screening and genetics collaborative serc hrsa region 3 and genetic and metabolic dietitians international gmdi to develop nutrition management guidelines for inherited metabolic disorders imd. The disorder can be successfully managed through a specialized diet. Most proteinrich foods, such as meat, dairy products, and eggs, however, contain high levels of bcaas. Typically, special medical formulas and a low protein diet are necessary. Pmc free article dancis j, levitz m, miller s, westall rg. Msud, or maple syrup urine disease, named for the maple syrup smell of the urine in the.
Msud results from a defect in chromosome 19 in one if. Maple syrup urine disease msud is a genetic disorder caused by a deficiency in alphaketoacid dehydrogenase, an enzyme needed to break down branch chain amino acids. Movement disorders in adult surviving patients with maple syrup. How maple syrup urine disease in one girl saved another. The diet for babies includes a manmade formula with low levels of the amino acids leucine, isoleucine, and valine also known as the branchedchain amino acids. An inborn defect in the metabolism of tyrosine in infants on a normal diet. Having such defective genes may result in either nonproduction or malfunctioning of the related enzymes. We assessed 17 adult patients with maple syrup urine disease. An effective treatment, however, had to await further biochemical analysis of the metabolic dysfunction underlying the disease. Such fears also drove andrea scott, of temple hills, md.
However, even with treatment, both affected children and adults patients with msud remain. Guidelines for the nutritional management of maple syrup urine. Nutrition management guidelines for msud southeast. Accueil your diet maple syrup urine disease msud diet for your msud. Maple syrup urine disease msud is a genetic disorder and is caused by changes or mutations in some genes that signal the body to produce certain enzymes necessary for digestion and metabolism. Dietary treatment of a child with maple syrup urine. The purpose of the diet is to provide just enough leucine, isoleucine and valine for proper growth, but avoid excess intake of these amino acids. The sooner he or she tries new flavours, textures and colours, the sooner he or she will accept different foods and the easier it will be for your child to accept and enjoy the diet.
Maple syrup urine disease nord national organization for rare. The disease prevents your body from breaking down certain amino acids. Maple syrup urine disease msud is a rare, inherited metabolic disorder. The clinical appearance of maple syrup urine disease msud is due to reduced.
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