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262 CLINICAL MANAGEMENT OF SWALLOWING DISORDERS
FIGURE 11–9. Cranial nerves involved in swallowing.
A child’s age and medical history will dictate what textures are observed during a swallowing evaluation. For infants less than 6 months of age, clinicians will observe breast- or bottle-feeding. Concerning patterns include choking, disengage­ment, crying, stridor, and aerophagia. Consider the evaluation a platform for diagnostic treatment. As symptoms emerge, work on altering flow and posi­tioning to see if the offered modifications improve physiological stability. Older children may con­verse freely about what is challenging for them and can demonstrate what is problematic. Textures are represented on the International Dysphagia Diet Standardisation Initiative.
61
This standardization
improves consistency among clinicians and deliv­ers regulated information to families who will be modifying foods and beverages at home.
The order in which the textures are offered should be case dependent. Starting with a less chal­lenging food can permit observation of patterns they may consider normal when there are, in fact, signs of dysfunction. Ask the child to describe what they feel while swallowing. The parents can also provide a historical account of what reactions occur with spe­cific textures. In the case of profound dysphagia, it may only be safe to work on secretion management and taking small ice chips or sips of water without audible vocal wetness or involuntary coughing.
11. PEDIATRIC DYSPHAGIA: ASSESSMENT OF DISORDERS OF SWALLOWING AND FEEDING 263
FIGURE 11–10. Neurological assessment.
Instrumental Evaluations
Not all pediatric dysphagia consultations will require an instrumental evaluation. It is particularly important to ensure functional information will be gleaned from the exam, which may be distressing or expose them to radiation. If a child does not have pulmonary concerns, modifying textures and behaviors while eating may be the intervention
with future utility of a fluoroscopic or endoscopic swallowing study as needed. An exception to this is a young infant who is consuming only breast milk or formula. If all efforts were made to reduce aspiration symptoms with unaltered milk by chang­ing pacing, nipple flow, and positioning, a thicken­ing agent may be warranted. To verify the safety and utility of the thickener, an instrumental exam is advised.
264 CLINICAL MANAGEMENT OF SWALLOWING DISORDERS
Flexible endoscopic swallowing studies (FEES) are conducted with a small camera that is passed through the nose while the child is observed drink­ing and eating. This can be performed by an SLP independently or in a collaborative multidisci­plinary clinic. The latter is preferred so a laryngolo­gist can evaluate potential anatomical anomalies interfering with breathing, talking, or swallowing. An advantage of FEES is the ability to visualize soft tissue and vocal fold mobility. It is the preferred means of assessing dysphagia in a breastfeeding
62
infant.
FEES does not pose exposure to radiation like a fluoroscopic swallowing study. It allows for longer exams as tolerated by the child. The utility of a longer exam is trialing multiple textures, pos­tures, learned techniques, and stamina throughout a meal.
Videofluoroscopic swallowing studies (VFSS) are performed by an SLP and a radiologist. The view follows material from the lips to the stomach. Advan­tages of a VFSS include visualization of the oral and esophageal phases. Additionally, when a child aspi­rates during a swallow, it is poorly appreciated on a FEES. Some children may ultimately tolerate VFSS better than FEES for developmental, intellectual, and sensory issues. Some cases are complex and may require both FEES and VFSS for diagnosis.
Infants with sucking dysfunction do not readily undergo instrumental exams to quantify their oral phase. Though there is vast subjectivity, the gold standard is a digital suck exam where a clinician places a gloved finger in the baby’s mouth to feel for suck vacuum and organization. There is emerging technology quantifying sucking parameters to deter­mine oral-motor competence.
63,64
Ultrasound pro­vides a view of the tongue base as it approximates a breast or bottle nipple. This instrumental examina­tion is typically performed in an academic setting to answer questions of the lingual/nipple juncture as it relates to milk removal. Interpretation of the data can be challenging to extrapolate functional cor­relations. Until a widely adopted quantification of nonnutritive and nutritive suckling is implemented, measures used to manage cases are indirect.
ISDDI can be found by scanning the accompanying QR code.
Thickening agents (GelMix) can be found by scan-
ning the accompanying QR code.

INTELLECTUAL DEVELOPMENT

When patients participate in and understand their care, they will ultimately have better outcomes. Even newborns have ways of engaging that communicate if they are tolerating oral nutrition while their care­giver mediates and executes strategies. As children become verbal, they may be able to describe their experience swallowing in a manner their parents cannot from observation. Promoting their involve­ment builds trust and improves engagement as treat­ment plans are formed. If a child has an intellectual delay or disorder, seek connection through concepts that are tangible and motivating. This may be bio­feedback during an endoscopic swallowing assess­ment or reviewing videos of healthful swallowing patterns. If the problem is associated with feeding impulsivity posing choking risk, creative support using a meal coach, smaller utensils, and pacing techniques may be helpful.
Family Support
When children have dysphagia, the family will be a cornerstone of support. Tempering recommenda­tions to their dynamic will enable compliance. It can be overwhelming for a parent to integrate fam­ily meal disruptions as they accommodate a child’s dysphagia. Conversely, swallowing strategies may be embarrassing or overwhelming to a child. Each family unit will have their own circumstances and preferences for how to support their child’s needs. If there are multiple coexisting medical conditions, prescribing a litany of exercises and intricate swal­lowing strategies may not be reasonable. Consoli­date tasks whenever possible. During evaluations, it is valuable to gauge caregiver and parental support as recommendations are made to improve feeding and swallowing. Extended support systems not pres­ent for the evaluation may be a resource to further expand therapeutic options. Multiple individuals
11. PEDIATRIC DYSPHAGIA: ASSESSMENT OF DISORDERS OF SWALLOWING AND FEEDING 265
could ultimately help a child to thrive by delivering home interventions as they are prescribed. When­ever possible, involve these key players during treat­ment to replicate exercises and meal strategies.

SUMMARY

Caring for children with feeding and swallowing disorders is a clinical specialty. Pediatric condi­tions are unique from adult situations as they may be a congenital structural anomaly, neurological, developmental, or behavioral. The underpinning of dysphagia can be an early sign of a more wide­spread disorder or syndrome that is not yet diag­nosed. Depending on the child’s age and cognitive status, clinicians will interact heavily with parents and caregivers. Integrating children into the care plans will ultimately enhance their motivation. Cre­ate therapy goals collaboratively that include realis­tic goals, have distinct rationale, and are inherently motivating. For medically complex children, they will have numerous providers. Often, care delivery for children, especially those who are critically ill, is provided in a multidisciplinary model. Aim to avoid redundancies in prescribed exercise regimens as they may have numerous care plans implemented at home. Maintaining fluid conversation among cli­nicians improves outcomes and can be intellectually stimulating as elements of a child’s care will inevita­bly cross over into other specialty domains. Bear in mind the potential for serial instrumental exams and use them sparingly in younger children who may become sensitized or fearful of objective studies. Observation of feeding and swallowing behavior, medical history, and family reports are key elements to diagnostic interactions and developing effective care plans.

DISCUSSION QUESTIONS

1. Describe the interactive nature of a feeding and swallowing disorder for an infant with pathological gastroesophageal reflux.
2. What mealtime preferences and behaviors
can arise in individuals with autism spectrum disorder?
3. Name clinical specialty team members that
would care for an extremely preterm infant approaching 32 weeks’ postmenstrual age who is ready to initiate oral feeding trials.

STUDY QUESTIONS

1. Traits that improve the likelihood of safe oral nutrition include
A. Volitional cough B. Independent implementation of swallowing
strategies
C. Head and trunk control D. All of the above
2. How can you support children with tracheos-
tomy and chronic mechanical ventilation to eat and drink by mouth?
A. It is unsafe to offer oral intake B. Teach airway clearance techniques C. Apply a speaking valve to provide upper
airway sensation and pressures
D. b and c
3. What feeding features may complicate oral
nutrition in a child who has bilateral vocal fold paralysis from intubation trauma?
A. Ineffective airway clearance B. Incomplete glottic protection while
swallowing
C. Pharyngeal residuals due to reduced
pressure
D. All of the above
4. A child with Down syndrome exhibits poor
weight gain on a diet of regular solids and thin liquids. What might you expect to find during an assessment?
A. Meal fatigue resulting from hypotonia B. Gastroesophageal reflux disease C. Tongue tie D. Vocal cord paralysis
266 CLINICAL MANAGEMENT OF SWALLOWING DISORDERS
5. How would you support a parent who wants to breastfeed their infant who has a cleft lip and cleft palate?
A. It is contraindicated to breastfeed a baby
with cleft palate and lip
B. Wait until the cleft is surgically repaired C. Propose using an obturator D. Determine milk transfer volume, efficiency,
and overall weight gain patterns

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Treatment of Feeding and Swallowing Disorders in Infants and Children
CHAPTER OUTLINE
Introduction
Swallowing Phases
Collaborative Goal Setting
Partnering With Pediatricians Multidisciplinary Feeding Teams Utility of Liquid Thickeners Aspiration Versus Sensory Etiologies Swallowing Safety With Intellectual
Impairment
Growth Faltering
Nonoral Feeding
Case Illustrations Within Diagnoses
Support for Families
Summary
Discussion Questions
Study Questions
References
Chapter
12
269
270 CLINICAL MANAGEMENT OF SWALLOWING DISORDERS
A Look at the Chapter
Caring for a child whose feeding and swallowing are impaired is addressed by multifaceted interventions. Some children began their lives with feeding tubes due to prematurity or medical complexity. Others acquire nutritional barriers from illness, injury, neurodegeneration, or neoplastic changes. This chapter provides essential tenets of treatment targeting individual phases of nourishment, including feeding, oral preparation, pharyngeal function, and esopha­geal motility. Pediatric care is distinct from adult care as they are reliant on family and caregivers to participate in treatment. Depending on age, intellect, and comorbidities, children can provide the most informative perspective of their barriers to eating and drinking. Even a preverbal child, such as an infant struggling with oral nutrition, communicates with actions and physiology; disengagement, elevated respiratory rate, bradycardia, and fatigue are signs of distress. Understanding these age-appropriate signals helps clinicians formulate therapy plans that are effective, safe, and respect signs from the child that they are ready. Not all nutritional concerns are rooted in mechanical problems. Some chil­dren’s nervous systems are hypersensitive and lead to maladaptive experiences while eating. Instrumental swallowing evaluations are invalu­able to understand etiologies, provide patient/ family education, and conduct interventions that are effective.

INTRODUCTION

One of the earliest purposeful sensorimotor acts a child performs is swallowing. In the womb, feed­ing and swallowing behaviors emerge during the first trimester. It is subsequently refined for eventual coordination with breathing after birth. Early-term delivery intercepts benchmarks of the central pro­cessing generator that makes this transition seam­less in most healthy term children. Postmenstrual age and medical status will determine whether a
neonate can consume nutrition orally. Neonatal and infant feeding interventions involve observation of physiological stability, pacing at breast and with bottles, milk flow modifications, and altering milk viscosity using thickening agents. Establishing safe intake requires verification with instrumental exams and extensive caregiver training to execute the mod­ifications independently at home. Older children may be seasoned in dysphagia interventions from congenital maladies. If their condition is acquired, overall health prognosis will be relevant in the ther­apy that is conducted. In each situation, treatment should be specific to the condition, targeting inter­ventions that are expected to improve within a rea­sonable time frame. Working with children creates opportunities to understand family dynamics and support systems. Care coordination and treatment execution will ultimately rest on these individuals; therefore, rapport with the entire family and the multidisciplinary medical team is critical.

SWALLOWING PHASES

Preswallowing or feeding is the act of bringing food into the mouth. In infants, the act relies on reflexes to latch onto a breast or bottle and then begin reflexively swallowing. Once children near 6 months of age, they exhibit intentional feeding by bringing foods to their mouth independently. They may also grasp their liquid in a similar man­ner, ranging from tugging on the parent’s shirt for latching to picking up a bottle or cup for drinking. The motor and cognitive skills involved in these processes are complex. Any complication that pro­hibits early oral reflexes for latch, hand-to-mouth coordination, or intellectual limitation to concep­tualize this process constitutes a feeding disorder. Trunk stabilization, therapeutic utensils, and coor­dination of hand-to-mouth movement are targets of feeding therapy. Whenever children exhibit poten­tial for hand-to-mouth coordination, and they are safe for oral intake, create an environment that pro­motes nutritional autonomy. Allowing children to be messy and learn from self-administration promotes healthy mealtime behaviors. likelihood of oral aversion when a child willingly initiates intake. Mealtime skills are acquired from
1,2
It also reduces the
12. TREATMENT OF FEEDING AND SWALLOWING DISORDERS IN INFANTS AND CHILDREN 271
observation. Shared mealtimes are key opportu­nities for children to witness self-feeding, pacing, texture and taste variety. This is of particular impor­tance for children with intellectual impairment and autism spectrum who benefit from explicit, rather than implicit, learning.
Supporting independence prefeeding and feeding.
Figure 12–1 provides examples of some feeding
assistive devices.
The oral phase of swallowing is impacted by muscles of the mouth, tongue, and palate, as indi­cated and discussed in Chapter 2. Anatomical differ­ences, such as cleft lip and palate, impact oral skills. Some infants can compensate for vacuum loss at breast using strategic latching. Others may require special bottles that do not rely on the child to create and sustain negative pressure, as seen in Figure12–2. Neuromuscular weakness or idiopathic oral-motor dysfunction can benefit from similar adaptive bottles to streamline feeding efficiency. Feeding is the pri­mary job of infants and can monopolize their energy if the process is too cumbersome. Common inter­ventions involve finding an appropriate fit latching and bottle-feeding, so intake is complete in less than about 30 minutes. No standardized algorithm exists for the breadth of feeding devices. Brands and labels vary widely
3,4
; therefore, the onus is on clinicians to remain familiar with new products entering the market. Addressing oral fit intrinsically relates to the pharyngeal swallow because vacuum affects flow. As oral fit is optimized, the flow will increase. Each variable should be tested to assure infants exhibit stable oral mechanics while simultaneously assessing the safety of flow. When an oral seal is achieved, it may be helpful to downgrade flow rate so a child has sufficient time to synchronize pharyngeal transit and breathing. In premature infants, or those who exhibit concerning aspiration patterns, their therapy target may be enhancing organization during nonnutritive suckling.
5–7
There are wide varieties of pacifiers on the market to explore, each potentially eliciting a different motor response. In older children with oral weakness, they may be able to participate in range­of-motion and strengthening tasks that optimize oral containment and chewing. Using a sugar-free lollipop or licks of a popsicle may be a starting point for a child who primarily uses a feeding tube. For children with chewing difficulty, gum or supervised intake of a soft solid may be options. With the accessibility of smartphones, videos of the exercises and swallowing patterns can improve the accuracy of home practice.
Once material approaches the vallecula, pharyn­geal swallowing begins. The tongue base retracts, palate and larynx elevate, and pharyngeal constric­tors sequentially propel material through a patient’s upper esophageal sphincter. Abnormalities that can