Feeding in the NICU and Beyond Jennifer D’Attilio, M.S., CCC Director, Speech and Language Services Central Coast Language and Learning Center Monterey, California Roles and Responsibilities Developmentally Supportive Care Team Member of Interdisciplinary Team Family priorities Cultural Factors Family in Crisis Neurodevelopmental Care Philosophy of Care Supports Infant/Parent Relationships Supports Neuromaturation Minimizes Adverse Stimuli Goals Developmentally Supportive Care Vulnerability to sensory overload Sensory overload is seen in physiologic, motor, state, and attention behaviors Caregivers must watch, recognize and respond to the cues to help the infant maintain and or/ regain self-regulation Caregiver can help the infant maintain regulation and learn self-regulation Fundamentals of Developmental Care Providers of direct hands-on care must be free of perfumes, colognes, oils, lotions, etc. Caregiving based on infant cues Provide two-person care giving with procedures whenever possible, promoting self-regulation. Provide developmentally supportive positioning (midline positioning, flexion, containment, comfort) Developmentally Supportive Care Modifying the environment Modifying the caregiving Responding contingently to infants' behavioral cues which can signal stress versus stability The Synactive Theory of Infant Development; Heidi Als, Phd provides a framework for understanding the behavior of premature infants. The infant's behaviors are grouped according to five "subsystems of functioning." The Synactive Theory of Infant Development MOTOR - Infant's motor tone, movement, activity and posture. AUTONOMIC - The basic physiologic functioning of our body necessary for survival. The easily observable indicators of this subsystem are skin color, tremors/startles, heat rate and respiratory rate. STATES -A way of categorizing our level of central nervous system arousal - sleepy/drowsy, awake/alert and fussing/crying. ATTENTION/INTERACTION - The availability of the infant for interacting, alertness and the quality of the interaction. SELF-REGULATORY - This is the presence and success of the infant's efforts to achieve and maintain a balance of the other four subsystems. Interaction among subsystems • • • • Each subsystem can be described independently, yet functions in relation to the other subsystems. The autonomic system has to be functioning (the baby breathing and has a heat rate) to be able to assess an infant's ability to look at something and engage How the five subsystems work together or influence each other is key to the theory We as providers attempt to view the infant's continuous interaction with the environment and educate caregivers Timing is everything in developmentally supportive care • • • The basic concept underlying this approach is that the infant will defend him/herself against stimulation if it is inappropriately timed or is inappropriate in complexity or intensity. If an inappropriate stimuli persists the infant will no longer be able to maintain a stable balance of subsystems (e.g., decrease or increase in heart or respirations may be observed or skin color may change, or muscle tone decrease, shutting down). When properly timed and appropriate in complexity and intensity, stimulation will cause the infant to search and move toward the stimuli, while maintaining him/herself in a stable balance (e.g., appropriate color, even heart and respiratory rate and/or good muscle tone). Developmentally Supportive Care The earlier the gestation the less self-regulatory behaviors the infant has available, and the more the infant has to rely on outside help in regulation Signs of Stability • • • Autonomic: heart rate, blood pressure, respiratory rate, oxygen saturation, skin color Motor: smooth motor movements, flexion, grasping, hands to face/mouth, foot bracing State: nice transitions between deep sleep, light sleep, drowsy, quiet alert, active awake, crying Flexion, hands to mouth, quiet alert What we see in the Preterm In the preterm infant these systems are not fully developed or ready to function. Therefore, the preterm infant's behaviors are generally characterized by disorganization and signs of stress. The preterm infant is more dependent, than the full term infant, on its environment to help support and maintain balanced equilibrium. Necessary technology focuses care on the autonomic system (respiratory, cardiac, digestive etc.), yet comes at the expense of the motor, state, and self-regulatory systems, which are dependent on environment. Autonomic Signs of Stress Color changes, flushing (turning red), and cyanosis (turning blue) Changes in vital signs (heart rate, respiratory rate, blood pressure (BP), pulse ox rate) Visceral responses (vomiting, gagging, hiccups, passing gas) Sneezing Yawning Tremor and Startle Motor Signs of Stress • • • • Generalized hypotonia (limp, decreased resistance to moving of the infant's extremities) Frantic flailing movements Finger splaying (holding fingers spread wide apart) Hyperextension of extremities (arms or legs extended straight out almost in a locked position) State Signs of Stress • • • • • Irregular sleep states (lots of twitching, grimacing, not resting peacefully) Gaze aversion (moves eyes to the side trying not to look at what is in front of them) Staring (a locked gaze, usually wide open eyes) Panicked look Irritability (hard to comfort) Gaze aversion Attention/Interaction Signs of Stress Inability to integrate with other sensory input (can't look and face, listen to talking and suck a bottle at the same time) Will not appear to want to engage with caregiver Supporting Strategies when signs of Stress are seen Grouping care activities - This should enable infants to have longer periods of quiet. Appropriate Timing of Care - Use swaddling, prone or side lying supported positioning to help a infant Supporting Strategies when signs of Stress are seen • • • • Separating feeding and socializing: Coordinating sucking, swallowing and breathing may take all the energy and concentration the infant Feeding should be quiet and calm Slow the pace of what you are doing or give the infant a break if signs of stress are noted. Use of positioning and containment devices, dandelion, swaddling and other supports to help keep the infant in a comfortable flexed position Kangaroo care seeks to provide restored closeness of the newborn with mother or father by placing the infant in direct skin-to-skin contact with one of them. This ensures physiological and psychological warmth and bonding. The kangaroo position provides ready access to nourishment. The parent's stable body temperature helps to regulate the neonate's temperature more smoothly than an incubator, and allows for readily accessible breastfeeding Kangaroo care Parent/Family Interaction • • • Allowing the parent more involvement in care Allowing the parent and child to interact and communicate for pre-feeding and feeding activities Relationship based feeding experience Infants Predisposed to sensory based feeding disorders • • • • • Infants with chronic lung disease/bronchopulmonary dysplasia Infants with cardiac defects Drug exposure Gastrointestinal needs: reflux, TE fistula, esophageal atresia, pyloric stenosis Infants who have been intubated, prolonged NG tube Medical Conditions and Impact on Feeding The total number of medical complications and co-morbidities correlates significantly with length of transition time from gavage to full nipple feedings (Medoff-Cooper, 1983; Ross 2008) Respiratory and cardiac co-morbidities significantly predict transition time: negatively impact ability to coordinate SSB (Gewoib and Vice, 2008) Nutritional and Gastrointestinal Issues Emesis Irritability Arching Dry swallowing, coughing/choking Reluctance to feed Apnea and/or bradycardia Developmentally Supportive Care Signs of stability during feeding ( Shaker 1999) ◦ Smooth regular respirations ◦ Hands active in midline, hands near face, good postural control ◦ Organized and calm ◦ Focused and alert ◦ Good coordination of suck-swallow-breathe Developmentally Supportive Care Signs of stress during feeding (Shaker, 1999) ◦ ◦ ◦ ◦ ◦ Change in state of alertness Change in color Change in breathing Change in postural control Disruptions in swallowing Infant Cue-Based Feeding Main goals ◦ ◦ ◦ ◦ ◦ Medically safe Functional Relationship-based Individualized Steering away from volume driven feeding cultures Goals Attempt to support the infant as a successful feeder, not a successful feeding ( Shaker, 1989) Recognize and respond contingently to the infants communication during feeding and communicate that to parent/caregiver Use a Gentle Feeding Approach ( Thoyre) based on continuous feedback from the infant Feeding Assessment and Swallowing Taking a History Gestational Age: ( GA) –more predictive of feeding success than PCA (Amizu et al, 2007) Post Conceptional Age ( PCA) Birthweight Birth Circumstances Apgar Scores ( cry, color, tone, respiratory rate, heart rate) Before Feeding • • • • Medically predisposed to feeding disorders Family Environment Sound, light, support staff Sensory Based Feeding Disorder Infants predisposed to the above include ◦ Chronic lung disease: trouble breathing, uncoupling of the SSB pattern, open mouth, tongue posture forward, aversion to having airway occluded ◦ Cardiac Defects: uncoupling of SSB, fatigue easily, require more calories per kilogram of weight to grow ◦ Drug exposure: poor sensory integration, poor adaptability, perseveration with feeds Sensory Based Feeding GI issues: reflux, tracheoesophageal fistula, esophageal atresia, poor/delayed gastric emptying, pyloric stenosis, dysmotility Extended intubation, suctioning, oral gavage, nag tube feeds NICU classifications GA Gestational Age: 37-42 wks: term 28- <37 wks: preterm Under 28 wks: extremely preterm Over 42 wks: post-term NICU Classifications Birth Weight Over 2500 gm: average neonatal BW 1500-2499 LBW 1000-1499 VLBW Under 1000 gm: ELBW Progression of Sucking 28 wks: oral reflexes 32 weeks: gag reflex 34 weeks: SSB coordination Neuromotor Assessment Tone: infant movements during active movement and during passive movement during interventions Neuromotor reflexes: sucking, palmar grasp, recoil upper and lower, plantar grasp, popliteal angle, head lag Readiness to initiate nippling Autonomic stability Maturation/function of the GI tract Successful feeders spend more time in a quiet/alert state State modulation ◦ Ability to self-regulate ◦ Postural control ◦ Respiration and work of breathing- cost of feeding Tube feeding Tube Feeding /Gavage NGT: nasogastric tube: tube is paced through the nares down the esophagus and into the stomach ◦ Less than one month OGT: orogastric tube: tube is placed through the mouth into the stomach ◦ Short term PEG Tube: percutaneous endoscopic gastrostomy: incision through the abdomen into the stomach ◦ Long term nutrition Bottle Feeding Breast Feeding Developmental Handling Prepatory touch Facilitative tuck One hand on the infant at all times Movements are planned Ready to Assess Postural Control Muscle tone Ability to cope with stress during feeding Successful feeders spend more time in quiet/alert state (McCain, 1997) Ready to Assess Regulation of breathing ◦ Severity of respiratory complications lengthened the time to achieve full oral feedings ( Craig et al, 1999) ◦ Impact of chronic lung disease ◦ Cardiac and respiratory status at baseline versus during intervention ◦ WOB: RR, retractions, nasal flaring, chin tugging Feeding Assessment Neonatal Oral-Motor Assessment Scale (NOMAS) © 1990 Marjorie Meyer Palmer Infant Driven Feeding (Ludwig & Waitzman) Early Feeding Scales ( EFS) (Thoyre, Shaker) Assessment NOMAS®: Neonatal Oral-Motor Assessment Scale ◦ Developed by Marjorie Meyer Palmer ◦ Separates 13 characteristics of jaw movement and 13 characteristics of tongue movement into categories of normal, disorganized, and dysfunctional Mature Suck Mature and Coordinated Consistent Strong and efficient Normal rate and rhythm Normal sensory state Ability to adjust to sucking rhythm Disorganized Immature and uncoordinated Inconsistent Poor rhythm Inconsistent rate Difficulty adjusting to flow Variation in number of bursts- 36-10-7 dysfunctional Abnormal tongue and jaw movement Neurological involvement Hyper or hypo tonic oral motor Early Feeding Skills Thoyre, Shaker, and Pridham, 2005 Checklist for assessing infant readiness for and tolerance of feeding Profiles the infants developmental stage regarding specific feeding skills Assess the ability to ◦ ◦ ◦ ◦ Maintain physiologic stability during feeding Remain engaged in feeding Organize oral-motor function Coordinate swallowing with breathing Bottle versus Breast Feeding Breast Feeding ◦ ◦ ◦ ◦ Delayed initiation of NS Inconsistent SSB ratio Wide variability in number of sucks per burst NNS occurs intermittently during NS Bottle versus Breast Feeding Bottle ◦ Spontaneous initiation of NS ◦ Consistent ssb ratio ◦ Limited variability in the number of sucks per burst ◦ NNS does not occur during NS Non-Nutritive Suck During gavage feedings Not a predictor of success with nipple feedings (Lau, 2001) Stages ◦ 27-28 weeks: weak single sucks with long variable pauses ◦ 30-33 weeks: short but stable sucking bursts with long irregular pauses ◦ 37 weeks: same as term infants: intermittent after 5-6 sucks Nutritive/ Non-Nutritive ◦ NNS: ◦ 2 sucks per second Ratio of 6:1 NS: SSB coordination 1 suck/second 1:1 ratio Sucking Fluid is moved by changes in pressure Positive pressure/compression pushes fluid out the nipple Negative/suction draws fluid out Nutritive Sucking Suck swallow breathe coordination Influenced more by GA than PCA ( Amaizu et al, 2007) Ratio of 1 suck to 1 swallow predominates until > 40 weeks PCA; then 2-3 sucks per swallow Progression of preterm to term is ◦ Increase sucking and swallowing rates ◦ Longer sucking bursts ◦ Larger volumes per suck Normal bottle feeding Feeding and Swallowing Assessment Swallowing stress signals reflecting uncoupling of the suck-swallow-breathe pattern ◦ ◦ ◦ ◦ ◦ Gulping Drooling Gurgling sounds in the pharynx Coughing/choking Signs of distress; hand splaying, eyebrows furrow, chin tugging, head turning Assessment Stress Signals ◦ ◦ ◦ ◦ ◦ ◦ ◦ Gulping Drooling Gurgling sounds Coughing Limited jaw movements Compression only sucking Use of purposeful weak sucking Physiologic Changes during Feeding are key in assessment Responses to the work of feeding may result in negative changes in physiologic responses ◦ In heart rate, respiratory rate, oxygen, and color Organic versus functional Impact of respiratory change/compromise Increased respiratory drive can inhibit oral feeding ( Timm et al, 1983) CLD: may use a weak suck pressure to reduce respiratory work and maintain breathing on purpose ( Mizuno et al, 2007) Respiration and Feeding Relationship between suck-swallow-and breathing matures with increasing PCA Feeding may override respiratory chemical control Decreases in oxygenation during feeding provide infant with negative feedback and result in loss of coordinated feeding behavior as infants attempts to protect airway Signs of Uncoupling in Feeding Breathing stress signals reflecting uncoupling of the swallow and breathe ( Shaker, 1999) ◦ ◦ ◦ ◦ ◦ ◦ Respiratory fatigue Tachypnea Nasal flaring Chin tugging Reliance on catch-up breaths stridor Cyanotic: blue or purple Oxygenation and Feeding Percentage of 100 Will fluctuate during feeding Preterms will continue to feed and not stop to breathe Compensatory Strategies Drooling/Anterior Spillage Small jaw excursions Compression only Purposeful weak sucking pattern ( Mizuno, 2007) What to do now? Lau Study Lau et all (1997) infants given a restricted flow fed more fluid per feeding than infants given unrestricted flow Intervention Flow rate: one of the most critical considerations for safe feeding High flow rate may flood the pharynx, trigger repeat swallow and interrupt breathing High flow rate nipples by formula companies Ventilation decreases as flow rate increases Decrease in ventilation can cause apnea and/or bradys Nipple Selection Regular Flow Slow flow Fast flow Mimics breast Parent involvement Cleft palate ◦ Haberman ( Special Needs Feeder) Positioning Semi-Upright ◦ ◦ ◦ ◦ Breathing Alignment Gravity Flow rate Side-lying Increased lung compliance Increased rib cage movement Increased o2 saturations, less bradycardia Control of fluid Mimics breast feeding Chin Support Increases stability Increases awareness around rhythmical jaw excursions Increases latch/ suction Increases flow rate and bolus size Pacing Supports improving burst/pause rhythm Breathing increased in regulation Bolus control Safety Increased ability to stay with the successful feeding technique Consistency with Care Communication with parent/caregiver Consistent caregiving Sharing information and reasoning Follow up Clinical signs/symptoms of aspiration Poor weight gain Poor respiratory status Refusal to feed Bradycardia, desaturations Stridor Wet, gurgly vocal quality Dusky Signs and symptoms of distress • • • • • Finger splaying Eyes widening Head turning Chin tugging gulping Outcomes related to feeding 31% of NICU graduates will experience feeding difficulties prior to one year of age 40% of children referred to an outpatient clinic for feeding or growth concerns are former preemies ◦ (Hawdon et al 2000) Feeding Disorders in Infancy Feeding problems affect approximately 25% of infants and young children Severe feeding disorders including poor weight gain, refusal to eat, or emesis affect 1-2% of infants under the age of 12 months ◦ 70% of those affected will have persistent feeding difficulties until 4 to 6 years of age Chatoor, 2002 Beyond the NICU After Discharge Limited support systems Communication with physician ◦ ◦ ◦ ◦ Length of and amount of feeding GI consults Nutrition consult Nicu course if possible After the NICU Family resources Ability to follow through Support for outpatient services Our role and responsibility After Discharge Normalize oral-sensory environment Oral aversions-tubes, tape Inconsistent feeding approaches Force feeding Nutrition- weight gain Weaning tube feeding Goals for Feeding Therapy Relationship between health and feeding Relationship between child and caregiver Oral, respiratory, neurologic systems within a child should be examined carefully Normalizing the ability to accept and integrate visual, auditory, tactile, balance, taste, and temperature is necessary before direct facilitation of new oral feeding patterns Oral sensorimotor treatment may be included during a child’s play, mealtime, tooth brushing History…Again Medical and Feeding History Developmental History Sensory Evaluation Positioning/Tone Oral Motor/Swallowing Evaluation Nutritional Assessment Behavioral Assessment History….Again Respiratory Complications Cardiac Issues Aspiration/Dysphagia Food Allergy Tracheomalacia/Laryngomalacia TE fistula/ atresia Craniofacial Anomalies Sensory/Hearing/Visual Deficits History Again Seizure Disorder Anxiety Disorders Sensory Processing Disorder/Developmental Delays Failure to Thrive Digestive Tract Disorders Respiratory History RDS BPD Frequent colds RSV Wheezing Asthma PNA Gastro-Intestinal History Digestive tract disorders will play a significant role in feeding Reflux: ◦ May be silent and trigger a vasovagal response resulting in apnea and bradycardia ◦ Reflux can also result in gastric aspiration ◦ Reflux may also impact the nasopharyngx creating increased bacteria in nasal secretions ◦ Reflux may cause damage to the vocal cords or cause esophagitis GI and Feeding Disorders Reflux may lead to esophagitis Gastro esophageal reflux may lead to gagging , emesis, choking The above may lead to avoidance ◦ Crying, gagging, vomiting, turning head, throwing food The avoidance of foods and above lead to parents response ◦ Food selectivity, escape from meals, force feeding ◦ Cycle feeding Feeding Assessment What is the intake schedule Products used Observe feeding with patients food and products if possible Observe before, during and after feeding Use video when appropriate Daily Intake Communication and Interaction and cue based responses during feeding What is put in front of the child, when, how often Any meal is better than another-poor am intake/reflux Favorite and least favorite foods Did the child mouth toys, enjoy things in the mouth-oral hypersensitivity Daily output Sleep patterns Behavior Previous Interventions Assess the foods Color appearance, shape, texture residue smell texture changes during feeding, during and after flavors temperature Formal Assessments /Scales Holistic Feeding Observation Form ( Koontz-Lowman & Lane, 1999) Schedule of Oral Motor Assessment ( Reilly, Skuse, & Wolke, 2000) Multidisciplinary Feeding Profile ( Kenny et al, 1989) Beckman Oral Motor Assessment Posture and Swallow Optimal Feeding ◦ Neutral Head Position with balance between flexion and extension ◦ Neck elongation ◦ Symmetrical shoulder girdle stability and depression ◦ Symmetrical trunk elongation ◦ Pelvis stability ◦ Hips, knees and ankles at 90 degrees Oral Motor Assessment ◦ ◦ ◦ ◦ ◦ Root-stroke down on lower lip Phasic bite-rub gum ridge Transverse tongue-touch side of the tongue Gag Strength and ROM in tongue, lips, jaw Assessment Assessment Sensory Nipple confusion with breast and bottle Poor differentiation in taste Manages liquids better than solids Able to sort food out in a mixed texture Holds food under tongue or in cheek to avoid swallow Motor Inefficient suck with breast and bottle Can differentiate taste in a bottle Oral motor inefficiency and incoordination in all textures Unable to hold or manipulate bolus on tongue; food falls out into cheeks Differentiation between Sensory and Motor Sensory Motor Vomiting only certain textures Gags when food approaches or touches lip Hypersensitive gag with solids ; normal liquid swallow Tolerates own fingers in mouth, does not accept other’s Does not mouth toys Vomiting is not texture specific Gags after food is moved through the oral cavity Gags with liquids and solids after the swallow is triggered Tolerates other fingers in the mouth Accepts teething toys, unable to bite Palmer, Heyman, 1993 Advantages Moblie Immediate examination No radiation Position of patient is easier Evaluate structure and function of hypopharynx and larynx possible Study as long as needed disadvantages Incomplete evaluation of pharyngeal phase Only can visualize immediately before and after swallow No assessment of oral or esophageal phase No coordination of pharyngeal motility with tongue, laryngeal elevation Flexible Endoscopic Evaluation of Swallowing with Sensory Testing ( FEES) Video fluoroscopic Swallow Study Oral phase bolus handling Velopharyngeal function, nasopharyngeal function Laryngeal elevation and hyoid bone movement Vocal fold function Pharyngeal motility and transit time Pooling of secretion in valleculae and pyrifom sinus before swallow Number of swallows necessary to clear Residue ( Arvodsen, Brodsky 2002) What we see Oral Phase Trouble Poor lip seal Poor bolus formation Poor tongue grooving premature spillage-base of tongue Poor base of tongue movement flow Interventions Pacifier training program Beckman Oral Motor® Program Nipple change Pacing Positioning to support Sensory aspects of food Tongue exercise Stages of Swallowing and Interventions Pharyngeal Phase Vocal cord paralysis Pooling in the valleculae and pyriform sinuses Laryngeal penetration Aspiration Gurgly voice quality Interventions Cold bolus, flow rate Pacing, side-lying Tube feeding and therapeutic feedings Improve oral stage to improve bolus propulsion Stages of Swallow and Intervention Esophageal Phase GER Esophagitis Esophageal atresia Intervention GI referral Reduce flow rate Breast feeding Medication Formula change Stages of Swallow and Intervention Oral Sensory Management/ Desentization Tolerating- food in the same room, looking at food, Interacting-uses utensils, stir or touch food, but not in the mouth Smelling-tolerates the smell of food Touch-fingers, hand, chin, cheek, lips, teeth, tongue Taste-licks bites and spits out, bites and holds, chews and swallows with a drink, chews and swallows independently Eating- functional eating Varied textures Transitioning to Table Foods Formula/Breast Milk until?????? Baby food at 6 months Transition at 9-10 months Table foods at 12 months Foods help a child learn to eat however the baby continues to get nutrients from formula/breast milk Introducing the Spoon/Self Feeding Pacifier can be used, weighted spoons, divided plates Feeding Environment Feeding pressures Meal time routines Chair and positioning Portion sizes and what is in view What is being offered Spoons Oral Motor as part of the Program Beckman Oral Motor®, Food Chaining Z-vibe, jigglers, Nuk brush, Duo Spoon ◦ Use with care and know why and how you are using them and what is the outcome for the use of them Food Chaining Therapy is fun Known expectations Family input and understanding Knowing clear expectations Teaching the child about foods Never pushing a child to eat Rating reactions to foods Allow child to investigate foods from the beginning to end Putting it all together “Building a successful feeder, not a successful feeding”, Catherine Shaker Resources National Association of Neonatal Therapists www.neonataltherapists.com NOMAS International www.nomasinternational.org ASHA: Roles of speech-language pathologist in the neonatal intensive care unit National Association of Neonatal Nurses www.nann.org Feeding and Swallowing Disorders in Infancy; Assessment and Management, Wolf and Glass Pediatric Feeding and Swallowing, Arvedson and Brodsky
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