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HUN 3403 Wk2 D2a Chapter 9 Infant Nutrition: Conditions and Interventions

HUN 3403 Wk2 D2a Chapter 9 Infant Nutrition: Conditions and Interventions. Introduction. This chapter addresses nutritional needs of infants before or shortly after birth Infants who are sick or small as neonates are likely to have conditions that may change the course of growth or development

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HUN 3403 Wk2 D2a Chapter 9 Infant Nutrition: Conditions and Interventions

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  1. HUN 3403 Wk2 D2aChapter 9 Infant Nutrition:Conditions and Interventions

  2. Introduction • This chapter addresses nutritional needs of infants before or shortly after birth • Infants who are sick or small as neonates are likely to have conditions that may change the course of growth or development • Demonstrates how nutrition assessment, diagnoses, and nutrition interventions are aligned with medical treatment

  3. Infants at Risk • Advances in health care have reduced infant mortality • Advances in neonatal health care have increased survival of infants who were preterm, low birthweight and/or with chronic conditions • Result: more infants requiring specialized nutritional services

  4. Infants at Risk • Key questions regarding infants: • How is the baby growing? • Is the diet providing all required nutrients? • How is the infant being fed?

  5. Infants at Risk • Families of infants with special health care needs should be considered • Emotional impact of having sick newborn may be overwhelming to parents • Healthcare providers must be sensitive to parents’ emotional needs

  6. Energy and Nutrient Needs • Energy Needs • May be the same, more or less depending on the special needs • Increased calories required for • Difficulty breathing • Infections • Temperature regulation • Fever • Recovery from surgery • Decreased calories recommended for spina bifida or Down syndrome

  7. Energy and Nutrient Needs • Energy Needs • AAP suggests 120 cal/kg for preterm infants • The European Society for Gastroenterology and Nutrition gives a caloric range of 110-135 cal/kg • Recovering infants may need as much as 180 cal/kg

  8. Energy and Nutrient Needs • Protein Requirements • 1.52 g/kg adequate if growth or digestion are not affected • 3.0-3.5 g/kg required for preterm or recovery from illness • 4 g/kg may be needed for ELBW • Form of protein • Hydrolyzed protein or single amino acid formulas • Specific amino acid formulas such as for PKU

  9. Energy and Nutrient Needs • Fats • Provide up to 55% calories from fat • Low-fat diet rarely required • Medium-chain triglycerides (MCT) beneficial to VLBW and ELBW infants because of low pancreatic and liver enzymes • Essential fatty acids and DHA and AA important

  10. Energy and Nutrient Needs • Vitamins and Minerals • May need additional vitamins and minerals to support “catch-up” growth or during recovering from illness • Human-milk fortifiers provide additional calories and nutrients • Preterm infant formulas may have higher amounts of vitamins and minerals

  11. Growth • Tracking growth reflects nutritional status for most infants • Additional methods to use if underlying conditions exist include: • Growth charts for specific diagnoses • Biochemical indicators • Body composition • Head circumference • Medications that impact growth

  12. Growth • Growth in Preterm Infants • Variety of growth charts • Olsen Intrauterine Growth charts • Fenton chart • All preterm growth charts show head circumference as main indicator of healthy recovery • Correction for gestational age • 40 - Gestational age at birth /4= months, subtract from current age

  13. Growth • Does Intrauterine Growth Predict Outside Growth? • Depends on: • Intrauterine environment • Fetal-origin errors • Unknown factors such as toxins and air pollution

  14. Growth • Interpretation of Growth • Rate of growth frequently used to measure improvement in preterm or sick infants • Microcephaly or macrocephaly may affect body composition and growth • Great variability in growth of infants

  15. Nutrition for Infants with Special Health Care Needs • Health conditions in infants interfere with growth and development • Nutrition plays an important role in: • Preventing illness • Maintaining health • Treating conditions in infancy

  16. Nutrition for Infants with Special Health Care Needs

  17. Common Nutritional Problems • Nutrition Risks to Development • Developmental delay—range of symptoms reflecting slow development such as: • Slow growth • Feeding problem • Autism – condition of deficits in communication and social interaction • Mealtime behavior and eating problems occur

  18. Common Nutritional Problems • Down syndrome– • Incidence is 13 per 10,000 live births • Developmental delays seen in infancy • Nutrition concerns include: • Weak facial muscles cause feeding difficulty • Overweight common—close monitoring of growth • Low amount of movement resulting in reduced caloric needs

  19. Severe Preterm Birth and Nutrition • Incidence and prognosis • About 60,000 VLBW born in U.S. each year • Survival rate ~ 90% • High metabolic rates • Preterm infants fed by nutrition support • Parenteral—nutrients delivered directly to the bloodstream • Enteral—nutrients delivered directly to GI tract

  20. Severe Preterm Birth and Nutrition • How sick babies are fed • Conditions that require parenteral feeding • Gastrointestinal problems may interfere with oral feeding • Damage or inflammation to GI tract from necrotizing enterocolitis (NEC)

  21. Severe Preterm Birth and Nutrition • Conditions that require enteral feeding • Gastrointestinal reflux, constipation, spitting up, vomiting, etc. • Types of enteral tube feeding • Oral-gastric (OG) • Transpyloric • Gastrostomy • Jejunostomy

  22. Severe Preterm Birth and Nutrition • Food Safety • Vital for preterm infants with immature immune systems

  23. Severe Preterm Birth and Nutrition • What to feed preterm infants • Breastmilk • Human-milk fortifier • Preterm infant formulas • Vary in caloric content • MCT oil • Whey protein

  24. Severe Preterm Birth and Nutrition

  25. Severe Preterm Birth and Nutrition

  26. Severe Preterm Birth and Nutrition • Preterm infants and feeding • Challenges in feeding VLBW or ELBW infants include: • Fatigue • Low tolerance of volume • “Disorganized feeding”

  27. Infants with Congenital Abnormalities and Chronic Illness • GI tract disorders • Diaphragmatic hernia – displacement of the intestines up into the lungs • Tracheoesophageal atresia – incomplete connection between the esophagus and the stomach • Cleft lip and palate – upper lip and roof or mouth are not formed completely

  28. Infants with Congenital Abnormalities and Chronic Illness • Genetic disorders • Small subset of congenital anomalies • Includes: • Galactosemia • Maple syrup urine disease • Urea cycle disorders • Fat-related and carbohydrate disorders • Disorders sensitive to high-dose vitamins • Renal or Bone genetic disorders

  29. Feeding Problems • Seen in 40-45% of VLBW infants • Feeding problems may cause frustration to families • Recommendations for introducing solids and weaning with preterm infants are based on corrected gestational age • Table 9.5 lists Signs of feeding problems in high-risk infants

  30. Nutrition Interventions • Frequent growth assessment • Monitor intake • Adjust feeding frequency/volume • Adjust timing of nursing, snacks or meals • Assess feeding position and support • Nutrient density to facilitate eating • Parent education • Observe parent-infant interactions • Consider developmental abilities

  31. Infant Formulas for Special Needs • Special infant formulas may be used for some conditions

  32. Nutrition Services • Federal disability programs • IDEA, Part C • Early Head Start • WIC • MCH Block Grant

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