january 15, 2010
DESCRIPTION
January 15, 2010. Questions? Follow up: Nutritive versus non-nutritive suck Suck-swallow Breastfeeding/ breastmilk. Nutritive suck (NS) Non-nutritive suck (NNS) Sucking rhythm Sucking rate Swallowing pattern Sucking pressure. breastfeeding. Hormonally driven at first - PowerPoint PPT PresentationTRANSCRIPT
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JANUARY 15, 2010 Questions? Follow up:
… Nutritive versus non-nutritive suck… Suck-swallow… Breastfeeding/breastmilk
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Nutritive suck (NS) Non-nutritive suck (NNS) Sucking rhythm Sucking rate Swallowing pattern Sucking pressure
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BREASTFEEDING Hormonally driven at first
… Lactogenesis I – colostrum… Lactogenesis II – increase in milk volume after
birth Milk maintenance (supply – demand)
… Lactogenesis III – Milk removal… Empty breast = milk production… Full breast = slower milk production
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BREASTFEEDING PREEMIES Milk production as part of hormones during
pregnancy … Midway through start making colostrum
Delivery of placenta Need to express breastmilk to produce
breastmilk Weak suck, endurance, immature digestive
system NGT delivery Herbs, medications
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RESPIRATORY SYSTEM Maintain a balance of oxygen and carbon
dioxide
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RESPIRATION Respiration
Biochemical definition
Ventilation
Gas transport
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RESPIRATORY SYSTEM
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RESPIRATORY SYSTEM Respiratory rate
Depth of respiration
Work of breathing
Heart function
Airway maintenance
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FACTORS AFFECTING AIRWAY Structural abnormalities
Neck flexion or extension
Overall posture
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ETIOLOGIES OF RESPIRATORY FAILURE IN CHILDREN
Central nervous system Upper airways Lower airways Lung parenchyma The Pleurae Thoracic cage and surroundings
Redding et al. 1987
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AIRWAY DEFENSE MECHANISMAPNEA AND INFANTS
Belly breathers… Immature ribcage … Movement against gravity
Apnea and bradycardia in normal infants… Apneic pauses
Hypoxia and bradycardia… Maladaptive
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SUCKING, SWALLOWING AND BREATHING
Coordination is essential Cessation of respiration with the swallow
… Mean length of respiratory pause = 1 second
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SSB Timing of the swallow Effect of swallowing on breathing rate and
pattern Impact of breathing on sucking Impact of sucking on swallowing Fluid flow through nipple Maturation
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SSB Compromised respiratory system Immaturity
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ASSESSING AIRWAY ISSUES Stridor (videos)
Intubation
Anatomic abnormalities
Overall neurological status
Patterns of respiration
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ASSESSING AIRWAY ISSUES History Stridor; Patterns of respiration Anatomic abnormalities Neurologic/congenital problems Infections/Disease processes Intubation
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ASSESSING AIRWAY ISSUES Level of Obstruction
Pulmonary disease or Infection
Presence of Cough
Respiration at rest and with feeding
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AIRWAY ISSUES AND TREATMENT
Obstruction… Nasal… Tongue
Mandibular hypoplasia
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TRACHEOTOMY IN CHILDREN Alternate pathway for respiration Upper airway obstruction, neurologic
impairment, chronic pulmonary disease Pharyngeal phase most affected by trach
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AIRWAY ISSUES AND TREATMENT Laryngeal anomalies
Obstructive Sleep Apnea
Tracheoesophageal fistula
Congenital diaphragmatic hernia
GER
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A FEW WORDS ABOUT….PNEUMONIA
Community acquired
Nosocomial
Aspiration
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ASPIRATION Penetration of secretions or any foreign
particulate substances beyond the laryngeal inlet into the tracheobronchial tree
Threatens lower airways Frequency, amount and properties of aspirate Red flags Factors that can contribute to aspiration
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GASTROESOPHAGEAL REFLUX The return of gastric contents, either food
alone or mixed with stomach acid, into the esophagus.
Reflux is normal!
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BARRIERS TO REFLUX
LES
Growth
Saliva
Respiratory protective systems
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GER Gastric emptying
Pressure relationships
Respiratory impact
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GER OR GERD? Weight loss or inadequate weight gain (FTT) Persistent irritability Food refusal/selectivity Posture Coughing/choking Pain Apnea Sleep disturbance Recurrent pneumonia
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CAUSES OF GERD Food allergies/intolerance
Immature digestive system
Immature neurological system
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TREATMENT Medications Thickening formula Positioning
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TREATMENT Small, frequent feedings Frequent burping Surgery Percutaneous endoscopic gastrostomy (PEG)
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SHORT BOWL (GUT) SYNDROME
Malabsorbtion and subsequent malnutrition that is induced following a massive small intestinal resection
Necrotizing enterocolitis (NEC) Intestinal malrotation Gastroschisis/Omphalocele Multiple intestinal atresias
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MALNUTRITION Loss of body composition that can be
prevented or reversed by nutritional repletion Multi-factorial Primary and secondary types Vicious cycle Immune system