Pediatric Modified Barium Swallow Studies - · PDF...
Transcript of Pediatric Modified Barium Swallow Studies - · PDF...
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Pediatric Modified Barium Swallow Studies
Presented by Jody Bousquet, MA, CCC-‐SLP Susan Shonbrun, MS, CCC-‐SLP
November 7, 2015
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* Modified Barium Swallow Study * Assesses swallow functions via fluoroscopy not visible
directly * Assesses oral and pharyngeal phases of swallow * Calls for optimal positioning of patient and systematic
presentation of variety of food textures, tastes, temperatures and quantities * Utilizes barium contrast and dynamic recording of the
swallow process
Definition
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* Immediate playback * Attempts to simulate ‘typical’ feeding * Routine in most centers * Storage and practicality
Advantages of MBS
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* Radiation exposure * Inability to assess over course of full meal * Limited sample in brief time period * Requires patient cooperation * Mild constipation: side effect of barium
Disadvantages of MBS
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* Poor control of oral secretions * Frequent coughing/choking, +/-‐ gagging especially during eating or drinking * Respirations are wet/gurgly * Structural/functional problems of oral, pharyngeal mechanism which might result in aspiration (ie cleft)
Criteria for MBS
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* Increased upper airway sounds during po intake * Increased respiratory rate with feedings * Frequent pauses indicative of decreased coordination of respiration and feeding * O2 desaturations during feeds * Diaphoresis, bradycardia, cyanosis/ color changes during feedings
Criteria for MBS, cont
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* Current pulmonary status: pneumonia, recurrent URI’s (frequent/chronic), CXR infiltrates, chronic asthma, frequent bronchitis, bronchiolitis * May find references in literature re: irritability, sleep habits, rigid feeding behaviors, refusing to eat new textures, FTT…refer for clinical feeding eval prior to MBS ? Sensory vs motor issues * Child/infant must be alert, medically stable, be able to ingest enough food (5-‐10 c over 5 min period)
Criteria for MBS, cont
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* Lethargic * Orally defensive * Medically unstable * Unable to feed during Clinical Feeding Evaluation
Not appropriate for MBS if…
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* Max amount of information in min amt of time * Assess swallow structure and movement pattern, using pt’s typical feeding posture and food consistencies * Assess airway protection * Make safe, appropriate feeding recommendations * Determine effectiveness of strategies when possible
Goals of MBS
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* Clinical feeding eval helpful to determine if pt ready for MBS * Radiation Exposure: MUST be minimized ~ no more than 120 sec
(infant), ~ 2-‐3 min infants/toddlers * Aspiration: minimal risk for respiratory complications 2’ to small
amounts of materials aspirated * Interpretation: interpret findings cautiously, children are not
usually fed while crying * Parents/caregiver involvement: present to feed usually
decreases child’s anxiety, provides SLP with additional information (re: feeding techniques), assist w/ feeding, provides food samples
General procedure and considerations
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* Dependent on motor development, cognitive development, medical condition, feeding history and other variables (pt specific)
* Order of presentation varies * Start with least problematic to most problematic *tactile defensive
child ~ start with most problematic as study may be limited * Food that is easiest, safest and/or preferred is first * Subsequent presentations based on: age, typical diet, OM function,
cooperation * Amounts: amount is dependent on child’s typical feeding history.
*fluoro may be turned off while child continues to feed viewed intermittently to assess for fatigue
General Procedures: Presentation
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* Modifications: variables that may be modified include: * Bolus consistencies * Amount of presentation * Rate of presentation * Feeding utensils (nipple, bottle, sippy cup, cup, straw,
spoon) * positioning
General Procedures: presentation
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* Infant: if increased oral or pharyngeal residue, try nipple alternated with pacifier to clear residue * May require syringe/spoon for liquid presentation * Beecher/Alexander recommend 3 swallows/texture, 3 sucking sequences for adequate evaluation * Arvedson recommends 5-‐6 swallows, 3 sequences * Utilization of chin tuck with infants may cause bolus to dump into larynx if it pools in valleculae
Presentation tips
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* Bilabial seal * Bolus expression from nipple/cup/spoon * Munch vs rotary mastication (age specific) * Bolus formation * Bolus control ~ premature spillage * Tongue base retraction * Oral transit time * Coordination of oral-‐pharyngeal phases
Observe swallows for: oral phase
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* V-‐p closure ~ NPR * Laryngeal elevation * Epiglottic retroversion * Swallow initiation level * Pharyngeal residue * Pharyngeal transit time * Laryngeal penetration * Aspiration
Observe swallows for: pharyngeal phase
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* UES relaxation * Cervical esophageal transit time * Structural abnormalities
Observe swallows for: Esophageal Phase
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Normal pedi MBS
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* Susan Shonbrun
Case presentation/s