Evidence map›Paper›PMID 25879683›Full record

ArticleCritical care (London, England)2015

Significant modification of traditional rapid sequence induction improves safety and effectiveness of pre-hospital trauma anaesthesia.

Richard M Lyon, Zane B Perkins, Debamoy Chatterjee, David J Lockey, Malcolm Q Russell, Kent, Surrey & Sussex Air Ambulance Trust

Registry-linked trialOpen access · goldAbstract readComparative Study
In one paragraph

Article in Critical care (London, England), 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT04291521 (Prospective Study of Induction Medications Used in the Rapid Sequence Intubation of Trauma Patients and a Comparison of Effects on Outcomes), which is not on this map. Cited by 49 papers, 4 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
49citing papers in PubMed, 4 pooled it
13.3field-weighted citation impact, top 1% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

NCT04291521 withdrawnnot on this mapstarted 2027, after this paper: background citation

Prospective Study of Induction Medications Used in the Rapid Sequence Intubation of Trauma Patients and a Comparison of Effects on Outcomes

TypeobservationalSponsorUniversity of Southern CaliforniaRan2027 to 2029Enrolled0ConditionsTrauma, Rapid Sequence IntubationArmsKetamine, Etomidate, Propofol
3 · Its place in the literature

Who cites it

49 citing papers in PubMed, 4 syntheses or guidelines pooled it, 118 citations in OpenAlex.

  1. Guideline
  2. Guideline
  3. Pooled it
  4. Pooled it
  5. Trial
  6. Trial
  7. Observational
  8. Airway management skills and devices on Italian helicopter emergency medical service: a national survey.Scandinavian journal of trauma, resuscitation and emergency medicine · 2026
    Observational
  9. Article
  10. Observational
  11. Observational
  12. Use of Muscle Relaxants in Emergency Medicine: A Review.Medical science monitor : international medical journal of experimental and clinical research · 2025
    Review
  13. Pre-hospital emergency anaesthesia in 2025: ten years on from the modification of induction regimes.Scandinavian journal of trauma, resuscitation and emergency medicine · 2025
    Review
  14. Article
  15. Observational
  16. The process of rapid sequence intubation in the prehospital setting: A scoping review.The Southern African journal of critical care : the official journal of the Critical Care Society · 2025
    Review
  17. Article
  18. Observational
  19. Article
  20. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

6 authors at 3 institutions in 1 country.

Richard M LyonKent, Surrey and Sussex Air Ambulance Trust, Wheelbarrow Park Estate, Pattenden Lane, Marden, Kent, TN12 9QJ, UK. RichardL@kssairambulance.org.uk.
Zane B PerkinsKent, Surrey and Sussex Air Ambulance Trust, Wheelbarrow Park Estate, Pattenden Lane, Marden, Kent, TN12 9QJ, UK. zane.perkins@nhs.net.
Debamoy ChatterjeeKent, Surrey and Sussex Air Ambulance Trust, Wheelbarrow Park Estate, Pattenden Lane, Marden, Kent, TN12 9QJ, UK. djchatterjee@hotmail.com.
David J LockeySchool of Clinical Sciences University of Bristol & University of Stavanger Norway, North Bristol NHS Trust, Bristol, BS16 1LE, UK. David.Lockey@nbt.nhs.uk.
Malcolm Q RussellKent, Surrey and Sussex Air Ambulance Trust, Wheelbarrow Park Estate, Pattenden Lane, Marden, Kent, TN12 9QJ, UK. MalcolmRussell@kssairambulance.org.uk.
Kent, Surrey & Sussex Air Ambulance Trust
East Sussex County Council · GBNorth Bristol NHS Trust · GBQueen Mary University of London · GB

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

introductionRapid Sequence Induction of anaesthesia (RSI) is the recommended method to facilitate emergency tracheal intubation in trauma patients. In emergency situations, a simple and standardised RSI protocol may improve the safety and effectiveness of the procedure. A crucial component of developing a standardised protocol is the selection of induction agents. The aim of this study is to compare the safety and effectiveness of a traditional RSI protocol using etomidate and suxamethonium with a modified RSI protocol using fentanyl, ketamine and rocuronium.

methodsWe performed a comparative cohort study of major trauma patients undergoing pre-hospital RSI by a physician-led Helicopter Emergency Medical Service. Group 1 underwent RSI using etomidate and suxamethonium and Group 2 underwent RSI using fentanyl, ketamine and rocuronium. Apart from the induction agents, the RSI protocol was identical in both groups. Outcomes measured included laryngoscopy view, intubation success, haemodynamic response to laryngoscopy and tracheal intubation, and mortality.

resultsCompared to Group 1 (n = 116), Group 2 RSI (n = 145) produced significantly better laryngoscopy views (p = 0.013) and resulted in significantly higher first-pass intubation success (95% versus 100%; p = 0.007). A hypertensive response to laryngoscopy and tracheal intubation was less frequent following Group 2 RSI (79% versus 37%; p < 0.0001). A hypotensive response was uncommon in both groups (1% versus 6%; p = 0.05). Only one patient in each group developed true hypotension (SBP < 90 mmHg) on induction.

conclusionsIn a comparative, cohort study, pre-hospital RSI using fentanyl, ketamine and rocuronium produced superior intubating conditions and a more favourable haemodynamic response to laryngoscopy and tracheal intubation. An RSI protocol using fixed ratios of these agents delivers effective pre-hospital trauma anaesthesia.

Indexed as

Emergency Medical ServicesAdolescentAdultAgedAged, 80 and overAndrostanolsAnesthesiaAnesthetics, IntravenousChildChild, PreschoolEtomidateFemaleFentanylHumansInfantIntubation, IntratrachealAndrostanolsAnesthetics, IntravenousEtomidateFentanylKetamineNeuromuscular Nondepolarizing AgentsRocuroniumSuccinylcholine

Identifiers

PMID25879683
PMCPMC4391675
OpenAlexW2012875067

What OpenQuestion holds

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Registered trials

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.