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  1. 1. High Risk Neonates and Infants 
  2. 2. Who Is an At-Risk Infant?  Risk of morbidity or mortality  Prenatal and intrapartal risk factors  Neonatal factors  Gestational age  Size  Anticipate complications  Assessments at birth - Apgar score
  3. 3. High Risk Infant  Congenital anomalies  Characteristics and potential problems  Preterm & postterm  Small for gestational age & large for gestational age  General concerns  Thermoregulation  Hypoglycemia  Respiratory distress and complications  Hyperbilirubinemia  Psychosocial neonate & family needs
  4. 4. Congenital Anomalies Diaphragmatic Hernia  Abdominal contents herniate through diaphragm  Respirations are compromised  Signs  Barrel shape chest  Asymmetric chest expansion and absent breath sounds on affected side  Respiratory distress and cyanosis  Scaphoid abdomen
  5. 5. Congenital Anomalies: Diaphragmatic Hernia  Interventions  Oxygen  Respiratory support without over inflating  Gastric decompression  Head of bed elevated  Turn to affected side  Surgical repair
  6. 6. Congenital Anomalies: Tracheo-Esophageal Fistula  Connection between the trachea and esophagus  Proximal esophagus ends in blind pouch and distal esophagus joined to trachea  Signs  Increased oral secretions  Coughs and choking  Abdominal distention  Not able to pass nasal or oral gastric tube  Struggles with feeding
  7. 7. Congenital Anomalies: Tracheo-Esophageal Fistula  Interventions  Withhold feedings  Elevate head of bed  Suction to blind pouch to decrease aspiration  Surgery
  8. 8. Congenital Anomalies: Neurotubular Defects  Tissue protruding through vertebral column  Meningocele  Meningomyelocele  Impairment  Location and magnitude of defect determines extent of neuro impairment  Sensory impairment follows motor, affects bladder and anal sphincter, contractures and deformities
  9. 9. Congenital Anomalies: Neurotubular Defects  Intervention  Pregnancy -- Folic acid and Alpha fetal protein  Sterile, moist, normal saline dressing  Prevent infection  Decrease trauma  Monitor for changes in fluid and heat loss  Surgical repair, keep prone with legs flexed, no diaper over incision  Long term: hydrocephalus, wheelchair, braces, catheterization
  10. 10. Congenital Anomalies: Gastrocele and Omphalocele  Gastroschisis  Abdominal contents protrude through wall  No sac covering intestines  Omphalocele  Abdominal contents protrude into umbilical cord  Covered by translucent sac  Associated with other anomalies
  11. 11. Congenital Anomalies: Gastrocele and Omphalocele  Interventions  Warm, moist, sterile dressing and plastic wrap  Maintain hydration and temperature  Position supine or side  Gastric decompression  Surgical repair  Complications
  12. 12. Congenital Anomalies: Choanal Atresia  Occlusion at nasopharnyx  Signs  Snorting respirations  Difficulty breathing with feedings  Cyanosis  Interventions  Assess patency of nares  Maintain airway with oral airway  Position with head of bed elevated
  13. 13. Congenital Anomalies: Cleft Lip and Palate  Fissure involving nares, nasal septum, or connecting oral and nasal cavity  Intervention  Feedings with special nipples  Feed upright and burp frequently  Prevent aspiration  Clean mouth after feedings
  14. 14. Congenital Anomalies: Heart Defects  Signs  Cyanosis  Heart murmur  Heart failure  Most common defects  Patent ductus arteriosus  Ventricular septal defect- most common in Children  Coarctation of the aorta  Hypoplastic left heart  Tetralogy of Fallot  Transposition of the great vessels
  15. 15. Substance-abusing Mother: Fetal Alcohol Syndrome  Facial abnormalities  Behaviors  Difficulty establishing respirations  Sleeplessness - Jittery  Hyperalert states - Hyper reflexes  Inconsolable crying - Poor sucking  Irritability - Lethargy
  16. 16. Substance-abusing Mother: Fetal Alcohol Syndrome  Long-term complications  Hypotonic and poor coordination  Mental retardation or normal intelligence  Speech and learning disabilities  Hyperactivity and impulsivity  Growth retardation  Intervention  Treat respiratory distress  Reduce environmental stimulation  Extra feeding time
  17. 17. Substance-abusing Mother: Drug Dependence  Pregnant woman increased risk of  Abruptio placentae, abortion, preterm labor, precipitous labor  Neonate increased risk of  Intrauterine asphyxia  Respiratory problems  Urogenital malformation  Cerebrovascular complications  Low birth weight and head circumference  Drug withdrawal
  18. 18. Substance-abusing Mother: Drug Dependence  Key assessment findings  Tachypnea - Sensitive to stimuli  High-pitched cry - Low birth weight  Jitteriness - Hyperactive Moro reflex  Poor sleeping - Increased reflexes  Irritability - Diarrhea & vomiting  Interventions  Swaddling - Calm environment  Frequent feeding - Medication  Promote bonding
  19. 19. Inborn Error of Metabolism: Phenyleketonuria (PKU)  Condition affects protein metabolism  No enzyme to convert phenylalanine to tyrosine  Affects development of brain and CNS  Mental retardation if untreated  CNS damage minimized if treatment before age 3 months
  20. 20. Inborn Error of Metabolism: Phenyleketonuria (PKU)  Assessment  Positive Guthrie test – 24 hrs after feedings  Failure to thrive - Microcephaly  Vomiting - Hyperactivity  Skin lesions - Irritability  Repetitive motions  Seizures and tremors  Musty odor from skin and urine  Intervention  Low-phenylalanine formula  Teach parents allowed foods in the diet
  21. 21. Inborn Error of Metabolism: Congenital Hypothyroidism  Enzymatic defect, lack of idodine in maternal diet, or maternal drugs can depress thyroid tissue  Causes growth and mental retardation  Assessment  Large tongue = Prolonged jaundice  Umbilical hernia = Poor feeding  Mottled skin = Low-pitch cry  Large fontanelles = Poor weight gain  Hypotonia = Delayed development  Intervention: Monitor thyroid medication
  22. 22. Identification of At-Risk Newborns  Gestational age  Preterm  Post-term  Size of neonate  Small for gestational age  Large for gestational age
  23. 23. Large for Gestational Age  Birth weight at or above the 90th percentile  Etiology  Large parents  Multiparous women  Males larger than female  Assessment findings  Poor muscle tone and motor skills  Difficult to arouse and maintain an alert state
  24. 24. Large for Gestational Age  Complications  Birth trauma – ceohalopelvic disproportion  Asphyxia  Meconium aspiration  Polycythemia  Hypoglycemia
  25. 25. Infant of Diabetic Mother  Severe diabetes associated with vascular complications may have small babies  Mothers with classes A and C may have LGA  High glucose stimulates fetal insulin increase  Complications  Hypoglycemia  Hypocalcemia  Hyperbilirubinemia  Birth trauma
  26. 26. Infant of a Diabetic Mother  Complications  Polycythemia  Respiratory distress syndrome  Congenital birth defects  Interventions  Test blood glucose  Cord blood; q hr X 4; q 4hr for 24 hrs  If blood glucose is < 40 mg/dl  Feeding  IV fluid of 10% dextrose water
  27. 27. Small for Gestational Age  Birth weight at or below the 10th percentile  Intrauterine growth retardation  Deficiency of nutrients through the placenta  Poor nutrition  Smoking or drug use  Pregnancy induced hypertension  Advanced diabetes  Intrauterine infection
  28. 28. Small for Gestational Age  Physical characteristics  Decreased subcutaneous tissue  Loose skin  Thin/dry umbilical cord  Alert for size  Dubowitz changes  Problems  Hypothermia  Hypoglycemia  Asphyxia  Meconium aspiration
  29. 29. Small for Gestational Age  Problems  Hypocalcemia  Feeding difficulties  Polycythemia  Interventions  Support respirations  Provide neutral thermal environment  Provide appropriate nutrition and hydration  Monitor blood glucose levels  Cluster care  Provide skin care
  30. 30. Post-term Infant  Infant born after 42 weeks gestation  Most continue to be well nourished  Postmaturity syndrome  Calcium deposits decrease placenta function  Results in lack of oxygen and nutrients  Physical characteristics  Absent vernix and decreased lanugo  Dry, cracked, parchment-like skin, peeling  Hard, long nails  Abundant scalp hair
  31. 31. Post-term Infant  Physical characteristics  Loose skin  Decreased subcutaneous fat  Problems  Hypothermia  Hypoglycemia  Asphyxia  Meconium aspiration  Polycythemia  Interventions  Supportive
  32. 32. Premature Infant  Born before the 37th week gestation  Physical characteristics  Skin is thin, smooth, shiny, with visible veins  Minimal subcuatneous fat deposits  Lanugo over body  Minimal sole and palm creases  Large head  Ears have soft cartilage  Genitals  Posture is extended  Reflexes absent or weak -- suck, gag
  33. 33. Premature Infant  Problems  Hypothermia  Hypoglycemia  Respiratory distress syndrome  Apnea and bradycardia  Patent ductus arteriosus  Hyperbilirubinemia  Anemia  Intraventricular hemorrhage  Retinopathy of prematurity  Necrotizing entercolitis
  34. 34. Apnea & Bradycardia  Bradycardia: heart rate less than 100 bpm  Apnea: not breathing for > 15 to20 seconds  Causes of apnea  Obstructed airway  Hypothermia or hyperthermia  Hypoglycemia  Sepsis  Respiratory distress
  35. 35. Apnea and Bradycardia  Causes of apnea  Anemia  Hypercapnea  Sepsis  Hypocalcemia  Seizure  Vagal response  Dehydration  CNS depression  Intraventricular hemorrhage
  36. 36. Apnea and Bradycardia  Interventions  Tactile stimulation  Suction airway  Provide oxygen  Provide mechanical ventilation  Correct underlying cause  Administer CNS stimulants  Caffeine or theophylline
  37. 37. Intraventricular hemorrhage  Hemorrhage in the ventricles of the brain  May cause motor deficits  Hydrocephalus  Sight and hearing loss  Causes  Capillary walls vulnerable to hypoxic events  Hypoxia & high CO2 dilates cerebral vessels  Changes in intravascular pressure
  38. 38. Intraventricular hemorrhage  Signs  May be no signs  Bulging fontanel  Signs of intracranial pressure  Interventions  Keep cerebral blood flow constant  Prevent hypoxia  Prevent increased blood pressure  Elevate head of bed
  39. 39. Anemia  Causes  Iron stored late  Short life of RBC  Blood drawing  Hemorrhage  Interventions  Transfuse Packed red blood cells  Iron suppliments and erythopoientin  Signs  Pallor  Tachypnea  Dyspnea  Tachycardia  Activity intolerance  Feeding difficulty
  40. 40. Retinopathy of Prematurity  Progressive disorder of retina vessels  Scar tissue and retina detachment  Causes  Fragile retinal vessels  Fluctuating oxygen administration levels lead to rapid vasodilation and vasoconstriction  Also occurs with hypoxemia, intraventricular hemorrhage, infection, acidosis, exposure to bright lights
  41. 41. Retinopathy of Prematurity  Interventions  Decrease intracranial pressure  Careful O2 administration  Decrease lighting in NICU  Eye exams  May regress spontaneously  Laser/cryosurgery  Vitamin E
  42. 42. Necrotizing entercolitis  Cause  Bowel eschemia during hypoxia  Gas forming bacteria invade damaged cells of intestinal wall  Cells rupture causing air in surface of bowel  Damages bowel wall and causes bleeding  Milk in bowel provides rich media for bacteria growth
  43. 43. Necrotizing entercolitis  Abdominal signs  Pneumotosis in bowel wall  Free air in abdomen if perforated  Distended and shiny abdomen  Gastric retention  Blood in stools  No bowel sounds  Signs of sepsis
  44. 44. Necrotizing entercolitis  Interventions  NPO  Nasal gastric tube for decompression  X-rays to follow deterioration of bowel  Antibiotics  Surgery – resection of damaged portion  Monitor for abdomen distension  Hematest stools  Long-term IV therapy  Decrease O2 consumption
  45. 45. Nutrition for the Preterm  Inability to nipple feed until 35-36 wks  Gag reflex  Suck/swallow/breathe coordination  Tires easily and worsens respiratory distress  Require different composition of formula  Increased metabolic rate  Difficulty consuming calories  Low iron and glycogen stores  Equipment
  46. 46. Nutrition for the Preterm  IV total parenteral nutrition and lipids  Gavage feedings  Calorie requirement  Fluid requirement  High insensible water loss  Urine output  Signs of feeding intolerance

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