Third section - readings Flashcards
Oral Cavity
Parts:
Lips hard and soft plates, tongue, fat pads of cheeks, upper and lower jaws, and teeth
Function:
Contains the food during drinking and chewing and provides for initial mastication before swallowing
Pharynx
Parts:
Base of tongue, buccinator, oropharynx, tendons and hyoid bone
Function:
Funnels food into the esophagus and allows food and air to share the same space.
Larynx
Parts:
Epiglottis and false and true vocal cords
Function:
Valve to the trachea that closes during swallowing
Trachea
Parts:
Tube below the larynx
Function:
Allows air to flow into bronchi and lungs
Esophagus
Parts: Thin and muscular esophagus
Function:
Carries food from the pharynx, though the diaphragm, and into the stomach; collapses at rest and distends as food passes through it
Cranial Nerve
I (olfactory)
Type:
Sensory
Function:
Sensory fiber for smell
Cranial Nerve
V trigeminal
Type:
Mixed
Function:
Sensory fibers from cheek, nose, upper lip and teeth
Motor fibers to the muscles of mastication
Cranial Nerve
VII Facial
Type:
Mixed
Function:
Sensory fibers from taste receptors to the anterior two-thirds of the tongue
-Motor fibers to the muscles of facial expression a and salivary glands
Cranial Nerve
IX glossopharyngeal
Type:
Mixed
Function:
Sensory fibers from taste receptors on the posterior third of the tongue
-Motor fibers to the muscles used in swallowing and to the salivary glands
Cranial Nerve
X Vagus
Type:
Mixed
Function:
Sensory fibers from the pharynx, larynx, esophagus, and stomach
Motor fibers to the muscles of the pharynx and larynx
Autonomic fibers to the smooth muscles and glands to alter gastric motility, heart rate, respiration, and blood pressure
Cranial Nerve
XII Hypoglossal
Type:
Motor
Function:
Motor fibers to the muscles of the tongue
Test:
Upright Modified Barium Swallow study
videofluoroscopic Swallow study
Indications
- Analyze the swallow mechanism
- Rule out aspiration
- Determine the point of aspiration
- Identify safe food and liquid consistencies
Test:
Upper GI Series
-Diagnose structural abnormalities of the esophagus, stomach, or intestines, such as malrotation or stricture
Test:
Esophageal pH probe
-Qualifies frequency, acidity, and duration of GER
Test:
GI endoscopy, esophago-gastroduodenoscopy (EGD)
-Provides a direct view of GI tract to diagnose inflammation or structural abnormalities
Test:
Fiberoptic endoscopic evaluation of swallowing (FEES)
- Analyze the swallow mechanism rule out aspiration
- Rule out aspiration
- Identify safe and food liquid consistencies
- Visualize anatomic structures during swallowing
Common medical conditions associated with feeding and swallowing disorders include
prematurity, neuromuscular abnormalities, structural malformations (cleft lip and/or palate), gastrointestinal conditions (gastroesophageal reflux; eosinophilic esophagitis), visual impairments, cardiorespiratory disease, tracheotomies, autism spectrum disorders, sensory processing difficulties, genetic conditions, and allergies.
Occupational therapists consider the following essential factors when completing a comprehensive assessment of feeding, eating, and swallowing
- Anatomy and physiology of oral motor and swallowing functions
- Growth and development milestones for oral feeding and self-feeding skills
- Nutrition and medical conditions that influence the assessment and intervention process
- Social, emotional, and behavioural factors that affect feeding and mealtimes
- Sensory processing skills that support feeding transitions
- Inclusion of parents and other primary caregivers
Diagnostic test used with children with feeding and swallowing disorders
- Instrumental Evaluation of Swallowing (VFSS-FEES)
- Upper GI series
- Upper GI endoscopy
The major components of a comprehensive occupational therapy intervention plan to address feeding, eating, or swallowing problems with children include:
- Safety considerations for feeding and swallowing
- Environmental influences and adaptations
- Positioning modifications
- Adaptive equipment and oral motor techniques used in feeding intervention plans
- Behaviour techniques
- Developmental considerations (cognitive, motor, and sensory)
- Interprofessional collaboration between the occupational therapist and other members of the child’s treatment team
- Inclusion of parents and other primary caregivers
Occupational therapy intervention to address feeding and eating difficulties in children and youth include approaches to change the
environment, child’s positioning, and equipment used in feeding. Occupational therapist may modify food and liquid consistencies, may address feeding/eating delays, dysphagia, and sensory processing, Behavioural interventions may be implemented to address food refusal, tactile sensitivity, and reliance on the bottle.
Optimizing Nutrition
Infant characteristics
- Physiological stability with feeding and handling
- Feeding readiness cues
- Coordinated suck/swallow breathing (SSB) throughout breast or bottle feeding
- Endurance to maintain nutritional intake and support growth
Optimizing Nutrition
Goals
Feeding will be sfe, functional, nurturing, and developmentally appropriate
- Optimized nutrition will be enhanced by individualizing all feeding care practices
- Oral aversions will be prevented by ensuring feeding is a positive experience for infant
- First oral feeds will be at the breast for babies whose mothers are pumping their milk
- Infants of breastfeeding mothers will be competent at breastfeeding prior to discharge
Optimizing Nutrition
Neuroprotective Interventions
- Facilitate early, frequent, and prolonged skin-to-skin contact
- Educate, coach, and mentor parents about positive oral stimulation, infant feeding cues, and feeding techniques
- Promote positive oral/olfactory stimulation during early skin-to-skin contact by letting infant lick, nuzzle and smell the nipple if interested
- Minimize negative perioral stimulation (adhesives, suctioning, etc.)
- Utilize indwelling gavage tubes rather than intermittent tubes
- Promote non-nutritive sucking (NNS) at mother’s pumped breast during gavage feeds
- Hold infant and use NNS with appropriate sized pacifier during gavage feeds when mother is not available
- Provide taste and smell of breast milk, if available, with gavage feeding
- utilize validated and reliable Feeding-Readiness and infant-Driven Feeding tools, and involve parents in assessments of feeding readiness and quality of feeds
- Ensure every feeding experience is a positive, pleasant, and nurturing experience
- Educate parents about the medical importance of breast milk for most infants, especially for ELBW infants
- Support and encourage mother’s expressed breast milk (EBM) supply
- Provide donor human milk for ELBW infants (whenever possible) if mother’s milk is not available or is contraindication
- Ensure first oral feeding is at the breast for baby’s whose mothers have been pumping their breast milk
- Support and encourage competent breastfeeding well before discharge
- Promote side-lying position close to parent/caregiver when when bottle-feeding
- Provide guidance to parents on how to provide supportive oral feeding experience for their infant, including positioning and pacing.
Components Necessary for Safe, Comfortable Feeding
1. Anatomic Integrity and Oral/Pharyngeal Competency
- Airway sufficient for air exchange
- Oral/pharyngeal structures (lips, tongue, palate) intact and functional
Components Necessary for Safe, Comfortable Feeding
Regulation of states of arousal
- Sufficient Arousal for:
- Reflexive rooting/sucking response to nipple
- Active engagement in sucking and swallowing
- Sustained active participation in feeding
Components Necessary for Safe, Comfortable Feeding
3. Reflexive and Active Swallow
- Clearance of oral secretions while at rest
- Active swallowing of liquid bolus
Components Necessary for Safe, Comfortable Feeding
4. Airway protection
- Gag reflex and cough reflex
- Epiglottis and vocal fold function
Components Necessary for Safe, Comfortable Feeding
Appropriate Breathing Rate
-Respirations no higher than 60-70 breaths per minute, throughout the feeding, to allow coordinated breathing and swallowing, an additional layer of defense against choking and or aspiration
Components Necessary for Safe, Comfortable Feeding
6. Oral-Motor and postural Tone
-Support for motor and respiratory components of feeding; high or low tone can impact oral-motor competence as well as esophageal and diaphragmatic function
Components Necessary for Safe, Comfortable Feeding
7. Tolerance for positioning and handling
-Ability to tolerate sensory and motor aspects of feeding: neurological immaturity, central nervous system irritability, or neonatal abstinence syndrome may interfere with sustained ability to engage in organized, rhythmic feeding
Components Necessary for Safe, Comfortable Feeding
8. Appropriate timing of sucking, swallowing and breathing
-Management of the liquid bolus successfully during oral and pharyngeal phases of feeding