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Difficult Airway Society (DAS) Trainees

@dastrainees

Jan 22

@ENT_UK

#JanuAIRWAY Day 22. Airway Obstruction – Infraglottic (intrathoracic). Again, presents its own set of challenges. Let’s dive in … Here's a #OnePager (Ft. expert contribution Sadie Khwaja @ENT_UK )
#JanuAIRWAY 1/7

Issues:
- Upper/Mid lesions usually low risk – ETT may pass beyond
- Low tracheal/Bronchial lesions = high risk, best managed in specialist centres
- CT scan = essential
- Sudden obstruction can occur at ANY time
- Potential compression of heart/vessels
#JanuAIRWAY 2/7

Severe Obstruction:
- Check position patient breaths best in
- Spont vent may help, IPPV may cause airway collapse
- Opinion re: IV vs inhalational = mixed
- Ketamine ?preserves chest wall tone
- Need back up plan
- Consider Heliox/bypass/ECMO before starting
#JanuAIRWAY 3/7

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Difficult Airway Society (DAS) Trainees

@dastrainees

Jan 21

#JanuAIRWAY Day 21. Airway Obstruction – Infraglottic (extrathoracic). Presents a unique set of challenges. Let’s dive in … Here's a #OnePager
#JanuAIRWAY 1/6

Physiology
- Theory=fixed lesion unaffected by respiratory cycle / anaesthesia induction (most have dynamic element)
- Extrathoracic lesions usually better in expiration +ve pressure splints airway open
- Lets’ revisit flow-volume loops as they can be helpful
#JanuAIRWAY 2/6

Issues:
- Laryngoscopy likely to be uneffected. However, major concern = inability to pass ETT atraumatically beyond the level of obstruction
- Nasendoscopy can be useful to view lesion
- AFOI/FOI may cause ‘cork in bottle’ effect depending on lesion size/location
#JanuAIRWAY 3/6

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Difficult Airway Society (DAS) Trainees

@dastrainees

Jan 20

#JanuAIRWAY Day 20. Airway Obstruction – Periglottic. Often the most challenging for the general anaesthetist. Let’s dive in … Here's a #OnePager
#JanuAIRWAY 1/6

Issues:
- Must d/w with ENT colleagues
- Preop nasendoscopy by experienced nasendoscopist = essential
- AFOI may worsen obstruction – cork in bottle
- Inhalational induction may be difficult

Key Q's
- Static or dynamic obstruction?
- Will ETT pass?
#JanuAIRWAY 2/6

Options:
- May be able to pass ETT – consider MLT or jet vent.
- Apnoeic (HFNO) or intermittent oxygenation technique depending on type of surgery (elective/emergent)
- Awake Tracheal Intubation
- Transtracheal catheter (+/- jet ventilation)
- Awake tracheostomy
#JanuAIRWAY 3/6

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Difficult Airway Society (DAS) Trainees

@dastrainees

Jan 19

#JanuAIRWAY Day 19. The Obstructed Airway – Think SPIMS
-Supra-
-Peri-
-Infra-glottic – extra/intrathoracic
-Malacias
-SVC Obstruction
Today we’re going to focus on Supraglottic Airway Obstruction. Here's a #OnePager to get started! #FOAMed
#JanuAIRWAY1/7

Possible issues:
-Risk of total obstruction with low tone
-Distorted anatomy
-NP/OP airway too short?
-+++jaw thrust may/may not relieve obstruction
-Difficult BVM/laryngoscopy
-+++ laryngoscopy may make manageable unmanageable (e.g.bleeding)
#FOAMed
#JanuAIRWAY 2/7

Planning in airway obstruction = Key. NASENDOSCOPY can save lives here! ASSESSMENT informs STRATEGY. Let’s revisit some #OnePagers on key questions and airway planning. Remember the decision-making process is multifactorial (maintain situational awareness).
#JanuAIRWAY 3/7

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Difficult Airway Society (DAS) Trainees

@dastrainees

Jan 18

#JanuAIRWAY Day 18. Extra CICO Equipment. At least 2 pieces of equipment deserve extra attention – Rapid-O2 & the Melker airway (key components of the cannula technique one for initial oxygenation & one for securing the airway)! Here’s a pair of #OnePagers to get started.. 1/5

A bonus #OnePager on the QuickTrach airway – used for wide bore cricothyroidotomy, it may still lurk in a few departments throughout the land! Here’s a video as well #FOAMed
#JanuAIRWAY 2/5

Double bonus #OnePager – on the Ventrain Device – a newer, but interesting, device! Can be used both electively & as part of CICO. Here’s a recent paper that highlights its potential read.qxmd.com/read/33432628/… #FOAMed
#JanuAIRWAY 3/5

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Difficult Airway Society (DAS) Trainees

@dastrainees

Jan 17

@dasairway

#JanuAIRWAY Day 17. CICO - Scalpel Techniques. Absolutely ESSENTIAL knowledge for anyone involved in airway management! Here’s a #OnePager with the @dasairway algorithm. Let’s dive in… #FOAMed
#JanuAIRWAY 1/6

DAS advocates scalpel-bougie-tube technique for palpable anatomy and scalpel-finger-bougie-tube technique for impalpable anatomy. Here are some #OnePagers #FOAMed
#JanuAIRWAY 2/6

@VortexApproach

Perhaps the most difficult part of the process is making the mental leap to pick up the scalpel. That's why mental models and thinking tools like the @VortexApproach are so useful. Check out @NicholasChrimes & Peter Fritz's work
🔗vortexapproach.org
#JanuAIRWAY 3/6

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Difficult Airway Society (DAS) Trainees

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Difficult Airway Society (DAS) Trainees

Difficult Airway Society (DAS) Trainees

Difficult Airway Society (DAS) Trainees

Difficult Airway Society (DAS) Trainees

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