When a child dwells in an environment which does not supply enough high biological value (HBV) protein (essential amino acid building blocks), yet supplies enough non protein energy building blocks (carbs and fat), nutritional imbalance arises, surfacing in their bodies and minds as symptoms and signs typical of the disease known as kwashiorkor.[1]
Kwashiorkor is usually seen in children aged 1 to 3 years, and in developing countries, although it may occur anywhere children are exposed to diets deficient in protein but not short on calories (carbs). Occasionally this disorder has been encountered in the US and Europe, where it is associated with poverty and young children fed adequate carbs and fat, but insufficient amounts of protein. Most commonly it is seen in developing African and Asian and some Latin American countries.
Kwashiorkor” comes from the Ga language of coastal Ghana and means “the sickness of the weaning” or “the disease of the displaced (from the mother’s breast) child.” In developing countries, in regions where protein sources are scarce, breast feeding is maintained as long as possible, for its nutritive value, yet as the mother’s breast milk wanes and as the child grows, weaning is accomplished to the local starchy diet.
Etiology of kwashiorkor:
Energy imbalance. Children suffering from kwashiorkor lack adequate dietary intake of protein building blocks, especially daily intake of adequate amounts of the 8 essential amino acids. Their intake of carbs and fat is typically not significantly lacking. Hence, on physical examination they will be found to have intact stores of subcutaneous fat, unlike marasmus, where children are starved and have lost their subcutaneous.
Other deficiencies. Lesions of the lips and mouth characteristic of various B vitamin deficiencies may occur. Eye findings (dry eyes) due to vitamin A deficiency may be present.
Laboratory findings-A reduction in serum protein is typically seen.
Treatment:
Severe cases of kwashiorkor should be admitted to a hospital for treatment, if possible. Severity is judged by:
Dried skimmed milk is a satisfactory basis for treatment, but other protein-rich foods are effective as well. A mixture of dried skim milk, vegetable oil, and casein is ideal, and if necessary the child can be given the mixture through a feeding tube.
This mixture should provide about 120 Calories and 7 gm. of protein per kg body wt. per day.
Antibiotics should be given to combat infection.[1,2] Severe dehydration calls for IV electrolyte solutions. Vitamin administration as indicated. Severe cases of kwashiorkor are expected to favorably respond to the above regimen, with disappearance of edema, increased appetite, and change in mood to wearing a smile.
The mother is brought into therapy, with nutritional education given to her, so vital is her role in the child’s nutritional and physical health.
References:
[1] Scope Manual on Nutrition; 1972:pp 31-33.
[2] N.Engl.J.Med. 2013;368:425-35.
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