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Advanced Trauma Life Support ATLS Student Course Manual 2018

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BIBLIOGRAPHY 39<br />

team leader should establish the degree of practical<br />

expertise of the airway manager. For<br />

example, some doctors in training, such as<br />

junior residents, may not be comfortable<br />

managing a difficult airway such as in a<br />

patient who has sustained inhalation burns.<br />

The team leader should identify who may be<br />

needed to assist the team and how they can be<br />

quickly contacted.<br />

••<br />

If prehospital information suggests that the<br />

patient will require a definitive airway, it<br />

may be wise to draw up appropriate drugs for<br />

sedation and drug-assisted intubation before<br />

the patient arrives. Equipment for managing<br />

the difficult airway should also be located<br />

within easy access of the resuscitation room.<br />

••<br />

The timing of definitive airway management<br />

may require discussion with consultants to<br />

the trauma team. For example, in patients<br />

with head injuries who are not in obvious<br />

distress, discussion between the neurosurgical<br />

member of the team and the team leader may<br />

be helpful.<br />

••<br />

Patients may require transfer to the CT scan,<br />

operating room, or ICU. Therefore, the team<br />

leader should clarify who will be responsible<br />

for managing a patient’s airway and ventilation<br />

after intubation.<br />

Chapter Summary<br />

1. Clinical situations in which airway compromise is<br />

likely to occur include head trauma, maxillofacial<br />

trauma, neck trauma, laryngeal trauma, and airway<br />

obstruction due to other reasons.<br />

2. Actual or impending airway obstruction should be<br />

suspected in all injured patients. Objective signs<br />

of airway obstruction include agitation, cyanosis,<br />

abnormal breath sounds, hoarse voice, stridor<br />

tracheal displacement, and reduced responsiveness.<br />

3. Recognition of ventilatory compromise and ensuring<br />

effective ventilation are of primary importance.<br />

4. Techniques for establishing and maintaining a<br />

patent airway include the chin-lift and jaw-thrust<br />

maneuvers, oropharyngeal and nasopharyngeal<br />

airways, extraglottic and supraglottic devices,<br />

and endotracheal intubation. A surgical airway<br />

is indicated whenever an airway is needed and<br />

intubation is unsuccessful.<br />

5. With all airway maneuvers, cervical spinal motion<br />

must be restricted when injury is present<br />

or suspected.<br />

6. The assessment of airway patency and adequacy<br />

of ventilation must be performed quickly and<br />

accurately. Pulse oximetry and end-tidal CO 2<br />

measurement are essential.<br />

7. A definitive airway requires a tube placed in<br />

the trachea with the cuff inflated below the<br />

vocal cords, the tube connected to some form<br />

of oxygen-enriched assisted ventilation, and<br />

the airway secured in place with an appropriate<br />

stabilization method. Examples of definitive<br />

airways include endotracheal intubation and<br />

surgical airways (e.g., surgical cricothyroidotomy).<br />

A definitive airway should be established if there<br />

is any doubt about the integrity of the patient’s<br />

airway. A definitive airway should be placed<br />

early after the patient has been ventilated with<br />

oxygen-enriched air, to prevent prolonged periods<br />

of apnea.<br />

8. Drug-assisted intubation may be necessary in<br />

patients with an active gag reflex.<br />

9. To maintain a patient’s oxygenation, oxygenated<br />

inspired air is best provided via a tight-fitting<br />

oxygen reservoir face mask with a flow rate of<br />

greater than 10 L/min. Other methods (e.g., nasal<br />

catheter, nasal cannula, and non-rebreathing mask)<br />

can improve inspired oxygen concentration.<br />

Bibliography<br />

1. Alexander R, Hodgson P, Lomax D, et al. A<br />

comparison of the laryngeal mask airway and<br />

Guedel airway, bag and facemask for manual<br />

ventilation following formal training. Anaesthesia<br />

1993;48(3):231–234.<br />

2. Aoi Y, Inagawa G, Hashimoto K, et al. Airway<br />

scope laryngoscopy under manual inline<br />

stabilization and cervical collar immobilization: a<br />

crossover in vivo cinefluoroscopic study. J <strong>Trauma</strong><br />

2011;71(1):32–36.<br />

3. Aprahamian C, Thompson BM, Finger WA, et<br />

al. Experimental cervical spine injury model:<br />

evaluation of airway management and splint-<br />

n BACK TO TABLE OF CONTENTS

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