Respiratory Flashcards
Indications for Artificial Airway
- _______
- Loss or impairment of ___ ___ ___
- Inability to maintain ____
- Need for _________
- Upper Airway Obstruction
- Loss or impairment of airway protective reflexes
- Inability to maintain clearance of bronchial secretions
- Need for mechanical ventilatory support
Artificial Airways
- 2.
3.
4.
- Nasopharyngeal Airway
- Oropharyngeal Airway
- Endotracheal Tube
- Tracheostomy Tube
Complications of Intubation
- Complications can occur during or following ____ as well as a result of ____.
- __, ___, __injuries
- ___ injury
- ___ ___
- _____ injury
- ______
- Reduction in ___ ____
- Complications can occur during or following intubation as well as a result of extubation.
- Nasal, oral, pharyngeal injuries
- Laryngeal injury
- Subglottic edema
- Tracheal injury
- Laryngospasm
- Reduction in mucociliary transport
Tracheostomy Tubes
Cricothyroidotomy
-surgical incision directly into the ____ aspect of the ____ at the junction of the ___ and ____ cartilages
-typically done ____ in cases of ___ ___ ___; faster procedure “in the field”
Cricothyroidotomy
-surgical incision directly into the anterior aspect of the larynx at the junction of the thyroid and cricoid cartilages
-typically done emergently in cases of severe airway obstruction; faster procedure “in the field”
tracheostomy tubes
Tracheotomy / Tracheostomy
- ____ is the procedure
- ____ is the opening
- surgical incision directly into the _____ aspect of the ____ through the ____
- occupies only ___ of tracheal space
Tracheotomy / Tracheostomy
- tracheotomy is the procedure
- tracheostomy is the opening
- surgical incision directly into the anterior aspect of the trachea through the second or third tracheal ring
- occupies only 2/3 of tracheal space
Tracheostomy Tubes
Tracheostomy Tubes: Materials
- Hollow ___, goose quills lead, silver, gold, rubber, ____ …
- ____ (stainless steel)
- Jackson , Montgomery
- ____ (polyvinyl chloride)
- ____, Blom
- ____ (polysiloxane)
- Bivona
Tracheostomy Tubes: Materials
- Hollow reeds, goose quills lead, silver, gold, rubber, nylon …
- Metal (stainless steel)
- Jackson , Montgomery
- PVC (polyvinyl chloride)
- Shiley, Blom
- Silicone (polysiloxane)
- Bivona
Tracheostomy Tubes
Advantages of Tracheostomy Tubes
- ___ ____
- Facilitates weaning from __ ____
- Decreased risk of __ ___
- __ ___ delivery possible
- Options for __ ____
- Improved __ ___
- Increased ___ ____
- Pulmonary toilet
- Facilitates weaning from mechanical ventilator
- Decreased risk of laryngotracheal injury
- PO nutrition delivery possible
- Options for oral communication
- Improved oral hygiene
- Increased patient comfort
Disadvantages of Tracheostomy Tubes
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1. Possible complications:
10
2. Reduced ___ ____
3. Diminished ___ and ___
4. ____
5. Increased _____
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- Possible complications: hemorrhage, thyroid injury, laryngeal nerve injury, tracheal stenosis, tracheal granulation, infection, tracheoesophageal fistula, tracheomalacia, pneumothorax, tube obstruction
- Reduced cough efficiency
- Diminished taste & smell
- Dysphagia
- Increased secretions
Why Reduced Cough?
- _____
- _____
- _____ (intercostals/abdominals)
- _____
- Loss of ability to build-up ___ ___ = limited ___ force
Irritation Inspiration Compression (intercostals/abdominals) Expulsion Loss of ability to build-up subglottic pressure = limited expulsion force
Why Diminished Taste & Smell?
- On expiration, air will take the path of ___ ___ (tracheostomy tube)
- Thereby reducing ___ through the ___ ___ (nose and mouth)
- Thereby reducing ____
- ~ 90% of taste is dependent upon ___ (orthonasal & retronasal)
- Decreased senses of smell and taste = decreased ___= decreased ___ = decreased ___!
- On expiration, air will take the path of least resistance (tracheostomy tube)
- Thereby reducing airflow through the upper airway (nose and mouth)
- Thereby reducing smell
- ~ 90% of taste is dependent upon smell (orthonasal & retronasal)
- Decreased senses of smell and taste = decreased appetite = decreased nutrition = decreased healing!
Why Increased Secretions?
- Nasophaynx is natural ___, ___, ___ system
- With air inspired through __ ___ have bypassed ___, ___, ____ system
- Cold, dry, and dirty air is ___ ___
- But remember! Have __ ___ ___
- Nasophaynx is natural heating, warming and filtering system
- With air inspired through tracheostomy tube have bypassed warming, filtering, and humidification system
- Cold, dry, and dirty air is pulmonary irritant
- But remember! Have decreased cough efficiency
Cuffed vs. Uncuffed Trach. Tubes
Components of Cuffless Tracheostomy Tube
- Outer ____
- Inner _____
- __ ___
- ____
- ____
- ____
- ______ (?)
Outer cannula Inner cannula Capping cannula Obturator Flange Shaft Fenestration (?)
Cuffed vs. Uncuffed Trach. Tubes
Components of Cuffed Tracheostomy Tube
- ____ cannula
- ___ ____ Cannula
- ____
- ____
- ___/____(?)
- ____
- _____ (?)
Outer cannula Disposable Inner Cannula Obturator Flange Pilot balloon/Cuff (?) Shaft Fenestration (?)
Cuffed vs. Cuffless Tracheostomy Tubes
- What? _____
- Why? To ____ to control the ___ of inspired and expired air
- Where? At the point where the _____ meets ______
- How? __, ___, ____ via syringe through ___ ___ & tubing
- What? Balloon shaped extension on the shaft of an endotracheal or tracheostomy tube
- Why? To separate the upper from the lower airway to control the volume of inspired and expired air
- Where? At the point where the outer most surface of the cuff meets the inner wall of the trachea
- How? Water, air, saline via syringe through pilot balloon & tubing
Cuff: Aspiration Prevention?
- Cuff was actually designed to ___
- BUT… aspiration has been reported in -% of patients with ___ __ ___
- Aspirated material sits on ___ ___, eventually ___ cuff, aspirate falls into airway
- CUFF IS NOT ___ ____
- Shiley has introduced new cuffed trach tube with ___ ___ just above cuff; suction prior to cuff deflation
- Cuff was actually designed to prevent aspiration
- BUT… aspiration has been reported in 30-70% of patients with fully inflated cuff
- Aspirated material sits on inflated cuff, eventually deflate cuff, aspirate falls into airway
- CUFF IS NOT ASPIRATION PREVENTION
- Shiley has introduced new cuffed trach tube with suction port just above cuff; suction prior to cuff deflation
Effects of Endotracheal Intubation on Deglutition
- Reduced sensitivity in ___, ___, ___
- Atrophy of ___ ___
- Oropharyngeal muscle strength is diminished following _______
- ___ ____ (airway protection)
- ___ ____
- Diminished ___ ___ (airway protection)
- Reduced sensitivity in oral cavity, pharynx, and larynx
- Atrophy of oropharyngeal musculature
- Oropharyngeal muscle strength is diminished following 24 hours of non-use
- Glottic closure (airway protection)
- TVC edema
- Diminished cough efficiency (airway protection)
Effects of Tracheostomy Tubes on Deglutition
- Diminished airflow through __ __ = decreased senses of __ & __ = decreased ___ = decreased ___
- Decreased ___&___ ___
- Decreased __ ___
- Decreased ___ ___
- Bolus ____
- ___ closure
- ____ efficiency
- Diminished airflow through nasal cavity = decreased senses of taste and smell = decreased appetite = decreased nutrition
- Decreased oropharyngeal and laryngeal sensitivity
- Decreased laryngeal elevation
- Decreased pressure valving
- Bolus propulsion
- Glottic closure
- Cough efficiency
Effects of Mechanical Ventilation on Deglutition
- Diminished airflow through nasal cavity = decreased ___ ___ = decreased ___ = decreased ____
- __ __ ___
- Decreased ____ & __ ___
- Decreased __ ____
- Decreased ___ ___
- Bolus ____
- ____ closure
- ___ efficiency
- Diminished airflow through nasal cavity = decreased senses of taste and smell = decreased appetite = decreased nutrition
- Oropharyngeal muscle atrophy
- Decreased oropharyngeal and laryngeal sensitivity
- Decreased laryngeal elevation
- Decreased pressure valving
- Bolus propulsion
- Glottic closure
- Cough efficiency
Effects of One-Way Speaking Valve on Deglutition
- Increased sense of __& ___ = increased appetite = increased ____
- Restoration of __ ___ __
- __ ___
- __ ___
- ____ closure
- Increased sense of taste and smell = increased appetite = increased nutrition
- Restoration of pressure valving system
- Bolus propulsion
- Cough efficiency
- Glottic closure
Contraindications for PO Intake
- Pressure Support > ___ cmH2O
- Peep > ___ cmH2O
- _____
- > 70 RR in ___
- > 30 RR in ____
- Immediately following extended ____, especially with poor __ ___ or ___
- Decreased ___ Saturation
- > ___% Oxygenation
- Continuous __/___
- Pressure Support > 15 cmH2O
- Peep > 5 cmH2O
- Tachypnea
- > 70 RR in infants
- > 30 RR in adults
- Immediately following extended intubation, especially with poor cough efficiency or dysphonia
- Decreased O2 Saturation
- > 90% Oxygenation
- Continuous BiPAP/CPAP
Post-surgical Dysphagia
- ___
- __ ___ damage
- ___ ____ damage
- Edema
- Cranial Nerve damage
- Brainstem innervation damage
Surgeries
- ____- Cranial Nerve __
- -Wasserman, et al. 49% has __ ___; 73% had ____ - __ ____- Monini, et al.=17.5%
- __ ___ Procedures
- _____
- Skull Base/__ __ surgery
- Thyroidectomy- Cranial Nerve X
- -Wasserman, et al. 49% has preoperative dysphagia; 73% had post-operative - Carotid Endarterectomy- Monini, et al.=17.5%
- Cervical Spine Procedures
- Esophagectomy
- Skull Base/ Posterior Fossa surgery