#JanuAIRWAY Day 2. Bedside Airway Assessment. NAP4 @doctimcook showed poor airway assessment contributes to poor outcomes. Thorough assessment = essential. Here’s a #OnePager on bedside tests to help assess for potential difficult airway management. #FOAMed #JanuAIRWAY 1/8
Airway Assessment should be holistic & comprised of three basic parts: -
1) History - including review of previous management (if possible),
2) Examination - visual examination and bedside tests &
3) Investigations (we'll look at these more later this month).
#JanuAIRWAY 2/8
1) History - including review of previous management (if possible),
2) Examination - visual examination and bedside tests &
3) Investigations (we'll look at these more later this month).
#JanuAIRWAY 2/8
NAP4 gives us a structure to focus our examination on anatomical/procedural difficulty: -
1) Difficult bag mask vent.
2) Difficult SAD insertion
3) Difficult laryngoscopy
4) Difficult intubation
5) Difficult Front of Neck Airway (FONA)
6) Difficult extubation
#JanuAIRWAY 3/8
1) Difficult bag mask vent.
2) Difficult SAD insertion
3) Difficult laryngoscopy
4) Difficult intubation
5) Difficult Front of Neck Airway (FONA)
6) Difficult extubation
#JanuAIRWAY 3/8
Problem is that individually none of these are perfect, widely variable sensitivity & specificity. Possible improved when combined. But many unanticipated difficult airways are still missed - see this 2018 Cochrane review - cochranelibrary.com #JanuAIRWAY 4/8
A thought-provoking finding of Norskov et al's Danish Airway Database cohort study (associationofanaesthetists-publications.onlinelibrary.wiley.com) was that difficult mask ventilation was unanticipated in 94% of cases (808/857). #JanuAIRWAY 5/8
This is why airway assessment needs to be global. Airway assessment is more than just intubation! Here's a #OnePager showing some mnemonics that can help identify difficult procedures, following the NAP4 structure. #JanuAIRWAY 6/8
Here are some papers / links that you might find interesting: -
a. pubmed.ncbi.nlm.nih.gov
b. pubmed.ncbi.nlm.nih.gov
c. pubmed.ncbi.nlm.nih.gov
d. das.uk.com
If you have any others of interest, tweet them to us for inclusion next time!
#JanuAIRWAY 7/8
a. pubmed.ncbi.nlm.nih.gov
b. pubmed.ncbi.nlm.nih.gov
c. pubmed.ncbi.nlm.nih.gov
d. das.uk.com
If you have any others of interest, tweet them to us for inclusion next time!
#JanuAIRWAY 7/8
Hope that helps. Tomorrow we'll start to examine the concept of the 'difficult airway'. See you then! #JanuAIRWAY 8/8
*Disclaimer: Inclusion of content (equipment, techniques and scoring systems etc.) in #JanuAIRWAY does not constitute DAS endorsement
*Disclaimer: Inclusion of content (equipment, techniques and scoring systems etc.) in #JanuAIRWAY does not constitute DAS endorsement
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