Because the first year of life is important for brain development, children who become undernourished during this time may fall permanently behind their peers, even if their physical growth improves. In about half of these children, mental development, especially verbal skills, remains below normal, and these children often have low self esteem and social and emotional problems in adulthood.
Failure to thrive is a diagnosis given to children who are consistently underweight or who do not gain weight for unclear reasons. There are many causes. Most cases involve environmental and social factors that interact to keep the child from getting the nutrition the child needs. Occasionally, medical disorders prevent a child from growing normally.
chaotic family situations in which routine, nutritious meals are insufficiently provided, may all blunt a child's appetite and intake of food.
The amount of money a family has to spend on food and the nutritional value of the food they buy also affect growth. Inadequate intake of food may reflect inadequate parenting and environmental stimulation.
Sometimes it is caused by a medical disorder in the child. The disorder can be as minor as difficulty chewing or swallowing (as with a cleft lip or cleft palate). Medical disorders, such as gastroesophageal reflux, narrowing of the esophagus, or intestinal malabsorption, may also affect a child's ability to retain, absorb, or process food. Infection, tumor, hormonal or metabolic disorders (such as diabetes or cystic fibrosis), heart disease, kidney disease, genetic disorders, and human immunodeficiency virus (HIV) infection are other physical reasons for failure to thrive.
WELL BEING INDICATORS IN U.S. CHILDREN ARE WORRISOME
The percentage of underweight babies born in the U.S. is on the increase, according to a 2008 report that also documents a recent rise in the number of children living in poverty.
The data on low birth weights is worrisome because such babies — those born at less than 5.5 pounds — are at greater risk of dying in infancy or experiencing long-term disabilities.
"Well-being indicators have largely gotten better for teens, and they've gotten worse for babies," says Laura Beavers, coordinator of the Kids Count Project for the Baltimore-based Annie E. Casey Foundation, which annually tracks children's well being indicators in various U.S. states.
The 2008 Report documented that there was no change in the infant mortality rate, while four areas worsened: low-birthweight babies, children living in with jobless or underemployed parents, children in poverty, and children in single-parent families.
Beavers noted that in many categories, the United States compares poorly to other developed countries. A recent study released by UNICEF ranked the U.S. second worst out of 33 industrialized nations in a composite index on child well-being, and it was 29th in regard to the percentage of babies with low birth weights.
IS MY CHILD THRIVING?
Doctors diagnose failure to thrive when a child's weight or rate of growth is well below what it should be when compared with past measurements or standard height-weight charts (see Height and Weight Charts for Boys and Girls ). If the rate of growth is adequate, the child may be small for his or her age but still growing normally.
To determine why a child may be failing, doctors ask parents specific questions about feeding; bowel habits; social, emotional, and financial stability of the family, which might affect the child's access to food; and illnesses that the child has had or that run in the family. The doctor examines the child, looking for signs of conditions that could explain the child's growth delay. The doctor makes decisions about blood and urine tests and x-rays based on this evaluation. More extensive testing is performed only if the doctor suspects an underlying disease.
TREATMENT AND PROGNOSIS
Treatment depends on the cause. If a medical disorder is found, specific treatment is given. Otherwise, treatment depends on how far below normal the child's weight is. Mild to moderate failure is treated with nutritious, high-calorie feedings given on a regular schedule.
Parents may be counseled about family interactions that are damaging to the child and about financial and social resources available to them. Severe failure to thrive is treated in the hospital where social workers, nutritionists, feeding specialists, psychiatrists, and other specialists work together to determine the most likely causes and the best approach to feeding.
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