Teddy Hla Profile picture
Oct 25 19 tweets 9 min read
Updates on Advanced life supprot by Theresa OLASVEENGEN

Vasopressors and Drugs : recent trial outcomes.
#LIVES2022
@ESICM #als #resuscitation
@ESICM 2020 ILCOR consensus : strong recommendation to use "ADRENALINE" in cardiac arrest, if you dont have it "LIDOCAINE".

Adrenaline to placebo comparison is mainly 1 older trial with latest PARAMEDIC 2

pubmed.ncbi.nlm.nih.gov/30980877/
@ESICM PARAMEDIC 2 - big study
8007 pts, adrenaline 4000, placebo 3999
- a lot of discussion post trial
- need a nuanced interpretation.
- 19 "more good" survivors and 5 "more bad" survivors in adrenaline arm.

nejm.org/doi/full/10.10…
@ESICM In terms of Amiodarone, again smaller studies. ROSC and Good survival : minimal benefits.

pubmed.ncbi.nlm.nih.gov/30179691/
@ESICM ALPS study : big study 2000 pts , amidoarone vs placebo. not a lot of improvement.

nejm.org/doi/full/10.10…
@ESICM So should we bin these drugs.

A lot depends on "TIME"
The earlier you give the more likely to work
pubmed.ncbi.nlm.nih.gov/31912202/
Giving amiodarone later may cause more harm
ahajournals.org/doi/10.1161/JA…

This is "INTERESTING" different effects. thought to be due to sicker hard when given later. so more likely harm from alpha effects.

#LIVES2022
OKAY. now "ROUTE". IV vs. IO

for adrenaline it doesnt matter : pubmed.ncbi.nlm.nih.gov/32002593/

what abotu adrenaline?
IO amidoarone DOES NOT SEEM TO work. only IV.
Above " i meant to say " what about "amiodarone" !
apologies.. problems with life tweeting.

pubmed.ncbi.nlm.nih.gov/31941354/
currently being tested out IV vs. IO in warwick.ac.uk/fac/sci/med/re…
PARAMEDIC 3 trial.

Next : how about "Calcium " for a bit of inotropic and vasopressor effect
cocatrial.dk

More commonly used in North America, equipoise thus for test out in RCT.
Danish study 397 patients randomised to 198 saline and 193 to calcium chloride.
Calcium ROSC 19% vs. Saline 27%
- safety board stopped as "harm"

#LIVES2022
Next: Vasopressin and methylprednisolone.

Small study done in Greece to motivate and looks promising
501 patients randomised 237 in vasopressin 20 IU + methlyprednisolone 40mg given after adrenaline. up to 4 doses of vasopressin.
placebo (normal saline)
NO difference
#LIVES2022
pubmed.ncbi.nlm.nih.gov/34587236/

from the same group who did COCA trial . #LIVES2022
MAIN points : adrenaline and amiodarone(lidcaone if you dont have amiodarone) remain the only recommended drugs in cardiac arrest but their effects are under-whelming.

Important knowledge gaps still.
Q: adrenaline - time is important but what about DOSE? 1mg dose need to be tested.
A: paradox is that 1mg is a massive dose. and very variable effect depending on patient own body weight.
#LIVES2022
#cardiacarrest #ROSC #resuscitation
Q: Ethics of paramedics 2 trial
A: difficult topic and complex area. and a lot of ethical questions and nuances that are unique to each patient individual situations. this can be extrapolated to icu care too. but hard to discount strategies that may improve ROSC.

#LIVES2022
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More from @teddyhla

Oct 25
Carolyn Calfee Clinical and Biological phenotypes of ARDS
- what do they have in common?

ARDS : subgrouping since the begining
- sepsis vs. non sepsis
- hyper vs. hypoinflamm
- reactive vs uninflamed
#ventilation #ards #phenotypes #LIVES2022
Are clinical phenotypes biologically distinct?
looking at Trauma vs. Non trauma

ICAM-1 , SP-D, vWF, sTNFr-1 are different.
What about in "Direct" vs. "indirect"
or "Diffuse" vs "focal" -- sRAGE comes up again.

pubmed.ncbi.nlm.nih.gov/17944012/
#ventilation #ARDS #LIVES2022
Image
Read 13 tweets
Oct 25
Mariangela PELLEGRINI
Uppsala- Sweden
"Do we Need a biological definition of ARDS"

- Berlin definition has NO Diffuse alveolar damage .
- the Berlin defn does not capture well
Frohlich - different definitions specificity of 0.63, 0.42, 0.31 even!
#ventilation #ards #LIVES2022
academic.oup.com/bja/article/11…
The BJA article by Frohlich.
Fibrosis only starts after 7 days
Thille article : atsjournals.org/doi/full/10.11…
In essence, different disease processes are happening to the lung at different times in the "ARDS"
pubmed.ncbi.nlm.nih.gov/24429204/
Read 14 tweets
Oct 25
ARDS - new definition or phenotypes by @GicoBellani refreshing with Kigali definition of ARDS - useful not just low resource but during pandemic in supposedly high income settings and only draw back is no PEEp requirement #ards #ventilation #LIVES2022 @ESICM
@GicoBellani @ESICM Resolved versus confirmed ARDS
- prospectively applying Berlin definition did work but if ya wait 24 hrs and re-measure P/F ratio, you end up stratifying much better.
- Better separation of groups

pubmed.ncbi.nlm.nih.gov/29632996/
#ventilation #LIVES2022
@GicoBellani @ESICM Whichever definition - american european consensus or Berlin or Kigali -- all goes back to Ashbaugh original paper in 1967

thelancet.com/journals/lance…

Why are we so confused when it comes to ARDS definition ?

#ards #ventilation #LIVES2022 @ESICM
Read 12 tweets
Oct 25
Next : Mypinder SEKHON on cardiac arrest in COVID-19 era.

Works in Vancouver
COVID 19 era cardiac arrest ARE a lot less sexy with all the PPE. #als #covid19 #resuscitation #LIVES2022
@ESICM
@ESICM Let's look at epidemiology. Northern Italy, Manhattan - COVID hit hard and has impact on other diseases.

e.g., OHCA in Italy during COVID 19 massive spike.
Read 9 tweets
Oct 25
NEXT Speaker : VA ecmo for which patients?
Alain COMBES

Severe cardiogenic shock has different phenotypes
1. medical cardiogenic shock(AMI, end stage dilated CM, myocarditis, septic shock)
2. Post cardiotomy refractory CS (post CABG)
#LIVES2022
@ESICM #ecmo #resuscitation #ALS
@ESICM 2022 what do the guidelines say
- ESC recommends short term MCS should be considred in cardiogenic shock.
IABP may be considered but not routinely recommended in post MI
#LIVES2022
Image
Read 18 tweets
Oct 25
what about in refractory cardiac arrest?
ERC - ESICM guidelines 2021
- timing of CAG if no evidence ofr ST segment evaluation.

which means we will end up treating a lot of patients with stent and anticoagulation
TOMAHAWK trial : delayed or early invasive angiography -- no effec.

#LIVES2022
- immediate catheterisation for non ST elevationrr
Read 4 tweets

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