TILEmergencyPharmacist Profile picture
Aug 30, 2020 β€’ 9 tweets β€’ 4 min read β€’ Read on X
πŸ‘‹πŸ‘‹ A quick poll to start off this week's TIL
[❔]: Does your institution have droperidol on formulary?

1/
#TwitteRx #MedTwitter #FOAMed #emergencymedicine #NurseTwitter
Droperidol ➑️ butyrophenone, D2 receptor antagonist, similar to haloperidol with
βœ… faster onset (3-10m IV/IM)
βœ… shorter-acting
βœ… more sedating

Dosing = 0.625 - 10 mg
Indications: Agitation, N/V, HA/migraine, vertigo, adjunct analgesic

ADEs = EPS, hypoTN, QTp
Preg = C

2/
[1961]: Developed
[1960s - 2000]: Frequently used in ED

[2001]: FDA ⬛️ Warning d/t QT prolongation & TdP + coincides w/ drug shortage of πŸ’‰ products ⏩ ultimately withdrawn from market πŸͺ¦

[2019]: American Regentℒ️ announces droperidol is back πŸ‘€... so is it worth the risk?

3/
@FOAMpodcast (@LWestafer, @jeremyfaust) did an amazing podcast on the FDA ⬛️ warning & the evidence behind it. Here's the facts

πŸ”n=277; Duplicates, reporting error ➑️ really only 67 individual cases
πŸ” Doses up to 600mg🀯
πŸ” Majority of cases had confounding factors

4/ Image
Habib et al [PMID: 12707137] conducted an analysis of the 10 cases w/ droperidol 2.5mg or less associated w/ the FDA ⬛️

In 2013, AAEM published a statement on what they thought about the FDA ⬛️ on droperidol

[LINK] aaem.org/UserFiles/file…

5/
What about safety/efficacy❓

DORM Study RCT (n=223) [PMID:20868907]
βœ… Droperidol 10mg IM comparable to midazolam 10mg IM

DORM 2 (n=1,403) [PMID:25890395]
βœ… Droperidol 10mg IM for agitation
βœ… Prolonged QT (1.3%), (0.6%) potentially attributable to droperidol and 0⃣TdP

6/
...and more

Taylor et al (n=349) [PMID: 27745766]
βœ… Midazolam 5mg + droperidol 5mg > droperidol 10mg or olanzapine 10mg alone
βœ… No difference in ADEs,0⃣cardiac ADEs

Gaw et al (n=1,674) [PMID: 31831345]
βœ… No clinically sig arrhythmias or deaths attributed to droperidol

7/
Gottlieb et al (n=733) [PMID: 28662911]
βœ… No difference vs Haldol, Zyprexa, or Versed
βœ… Less rescue doses vs Haldol @ 60min
βœ… No difference in cardiac dysrhythmias

πŸ”₯Just publishedπŸ”₯
Cole et al (2020) [PMID: 32726229]
βœ… Incidence of TdP 0.006% (1/16,546)

8/
Bottom line:

πŸ…°οΈ The risk of clinically significant QTp or TdP appears to be overstated

πŸ…±οΈ Droperidol up to 10mg IV/IM has at least a similar safety & efficacious profile as other Rx used commonly in the ED for acute agitation

β˜‘οΈ Lots of evidence supporting πŸ†Ž

The end

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More from @TILEDPharmD

Sep 24, 2020
6yo πŸ‘¦ presents to your ED with multiple deep lacs after being attacked by the neighbor's πŸ•... He's screaming/crying in pain but wont let the RN get near him for an IV, looking at the πŸ’‰ makes him 😭 even harder.

How do you treat the pain?

(Josh)
1/...
Consider picking πŸ‘ƒ!

How does intranasal drug delivery work?
βœ… Capillary rich respiratory mucosa allows πŸ’Š to directly enter the 🩸(systemic circulation)

βœ… Olfactory mucosal absorption leads to rapid therapeutic levels in the CSF.

Source:[27397490]
2/ Image
A few nerdy PK pearls below:

πŸ’Ž Quick onset of action
πŸ’Ž Lipophilic drugs = better absorbed
πŸ’Ž Unionized drugs πŸ”€ BBB more readily than ionized forms
πŸ’Ž IN delivery bypasses GI & first past metabolism, BUT nasal mucosa contains lots of CYP450 enzymes!

PMID:[30449731]
3/
Read 9 tweets
Aug 18, 2020
This weekend I learned what an intra-cardiac epinephrine is. Wish I could say it was from a πŸ“” or topic discussion... πŸ˜‚ Nope, it was John Doe, 🎁 w/ cc of traumatic arrest s/p lots and lots of πŸ”ͺ wounds πŸ™ƒ... so what is intra-cardiac EPI❔❔❔

1/...

#MedTwitter #TwitteRx
Just as it sounds πŸ€¦β€β™‚οΈ... EPI πŸ’˜ directly into the myocardium. Generally only used in ATLS after performing an ED thoracotomy in conjunction w/ manual cardiac compression

So here are a few clinical pearls I learned from John Doe

2/...
πŸ’Ž
[Dosing & Freq] = same as ACLS ➑️ 1 mg Q 3-5min.
βœ… There are pre-filled πŸ’‰ products specific for intra-cardiac use, but ISMP says ⛔️ d/t risk for errors.

Also, there isn't great evidence on what volume to use... what does ur institution use?

3/...
Read 5 tweets

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