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Assistive Technology (AT)
any item, piece of equipment or product system whether acquired commercially, off the shelf, modified, or customized that is used to increase, maintain, or improve functional capabilities of individuals with disabilities
used interchangeably with adaptive equipment and assistive devices
low tech vs high tech
OT have great knowledge and understanding when it comes to occupations and all factors that affect occupations (skills, environment) and have the ability to analyzed tasks
Adaptive Equipment (AE)
used to compensate for a physical limitation, to promote safety and the prevent of injury
Feeding (Self Feeding)
the process of bringing food to the mouth
Eating
keeping and manipulating food or liquid in the mouth and swallowing it
Swallowing
moving food from the mouth to the stomach
involves a complicated act in which food, fluid, medication, or saliva is moved from the mouth through the pharynx and esophagus into the stomach
Dysphasia
any difficulty in the passage of food, liquid, or medicine, during any stage of swallowing that impedes the client’s ability to swallow independently or safely
Signs of Dysphasia
difficulty/inability to shape food into cohesive bolus
loss of food/liquid from mouth (drooling) or nose
coughing/frequent throat clearing before, during, after the swallow
wet or gurgling voice quality after eating or drinking
food residue remaining in mouth
loss of appetite, dehydration or weight loss
discomfort or pain when swallowing
delayed/absent swallow response
weak cough
reflux of foods after meals
heartburn
Dysphasia Related Concerns
nutrition/hydration limited
pulmonary concerns
risk of social isolation
Goals of Swallowing Program
maintain adequate nutrition/hydration
safety during feeding/eating
maintain health (avoid pneumonia)
identify swallowing risk factors that may lead to aspiration and penetration
Aspiration
entry of liquid or food into lower airway
Penetration
entry of liquid or food into laryngeal vestibule
Team Approach
patient/family
OT
PT: positioning, increasing client’s pulmonary status for breath support, chest expansion and cough
SLP: reeducating the oral and laryngeal musculature used in speaking, voice production and swallowing
respiratory therapist
nurse
physiatrist/MD
radiologist
gastroenterologist: if patient has a trachestonomy, PEG, NG tube, J tube
nutritionist
Entry Level OT
oral intake textures/consistency recommendations
positon changes
oral motor interventions
when aspiration is suspected → refer to appropriate healthcare professional
has basic knowledge and skills to provide OT services to clients with eating and feeding dysfunction: feeding, eating, swallowing interventions to enable performance (process of bringing food/liquids from plate or cup to mouth; ability to keep and manipulate food/liquids in mouth; swallowing assessment and management)
awareness of the oral structures and progression of swallowing
knowledge regarding the common causes and associated conditions for dysphasia
awareness of sighs and symptoms of aspiration
basic understanding of instrumental assessments used to evaluate dysphasia
basic understanding of compensatory swallowing techniques and food/liquid modifications
self feeding positions
Advanced OT
has expanded depth and specificity of knowledge related to evaluation and intervention
administering more complex assessments and providing interventions for clients who are medically fragile or who have complicated diagnosis or conditions resulting in feeding and swallowing problems
extensive knowledge of the anatomy and physiology of swallowing
assessment and prescription of intervention
specialized client population and settings
instrumental evlauations
specialized interventions
Oral Phase
voluntary control
1-3 seconds
bolus formed/pressed against hard palate moved posteriorly
Pharyngeal Phase
involuntary control
1-3 seconds
brainstem triggered swallow reflex
coordinated and timed
Esophageal Phase
involuntary control
8-20 seconds
contraction of sphincter muscles, food enters stomach
bolus motility via peristalsis
Dysphasia Diagnoses
head and neck cancer
CVA
TBI
ALS
Parkinson’s disease
MS
HIV/AIDS
CVA
most common cause if dysphasia
lack of postural control
presents with oral and pharyngeal phase dysfunction
muscle weakness: face, lips, tongue, throat
sensory deficits
apraxia
cognitive changes
TBI
changes similar to CVA
tracheostomy
self monitoring/impulse control deficit
bite reflex
cranial nerve damage
tonal changes in neck (flexion/extension)
agitation
Neurogenerative Disorders (MS, ALS, Parkinson’s)
weakness of muscles in oral cavity
drooling
mainly weakness in oral and pharyngeal muscles
possible cognitive impairments
Head and Neck Cancers
SLP frequently sees clients
dysphasia most commonly caused by obstruction or post surgical removal of structures
lack of saliva can interfere with oral phase
Signs of Aspiration
poor arousal
poor control of bolus
excessive coughing or choking before, during or after swallowing
no ignition of swallow at the end of the oral phase
change in voice quality (wet or no voice)
changes in skin color, respiration rate, reduces O2 saturation level
Aspiration Precautions
careful chart review
NPO: no food, liquid or medications should be administered orally
common alternative forms of nutrition: J tube (jejunostomy), G tube (gastronomy), NG tube (nasogastric) IV (intravenous)
liquid/texture modifications
positioning during/following meal
Preparing Thickening Liquid
pour 4oz beverage onto dry thickener while stirring briskly for 30 seconds
let site for 4-10 minutes: 4 minutes (water, tea, coffee, soda); 10 minutes (milk, nutrition drinks, juices, beer, wine, broth)
Compensatory Swallowing Techniques
chin tuck
head turning
sustained swallow/effortful swallow
multiple swallows
Chin Tuck
moves bolus back, narrows opening to larynx, protect airway
Head Turning
rotation of head/neck to weaker side
closes weaker side allowing stronger side to perform swallow.
Sustained Swallow/ Effortful Swallow
slow, forceful swallow
elevates base of tongue: improves transition of bolus
Multiple Swallows
repeated effort to clear pooling in various areas
4 Finger Palpation
not an entry level skill
first finger: under chin
second: base of tongue
third: over thyroid cartilage
fourth: base of throat
Food Textures
puree: pudding, apple source, blended foods
very soft/soft (mechanical soft): cooked veggies/fruits, soft pasta
soft: cookies, breads
regular/solid: broad range of mastication needed
Liquid Textures
pudding thick
honey thick: drop off the spoon like honey, nectar thicken with banana/pureed fruit, regular applesauce with juice, commercial thickener
nectar thick: kerns, extra thick milkshake/eggnog, strained creamed soups, yogurt and milk blended, V8
thin: different viscosity (can add thick it), water, coffee, tea, milk, fruit juice
water
Self Feeding Positioning
siting tall/ upright
feet supported on firm surface (knee just below the hips)
remain sitting after meals for 30 minutes minimum