Cardiac arrest & resuscitation

Comparison of end tidal CO2 levels between automated head up and conventional cardiopulmonary resuscitation: A pre-post intervention trial

ResuscitationPublished Prospective pre-post intervention trial

Main finding · Peak ETCO2 during CPRResult — go to the resultMean difference 10.6 95% CI 4.6–16.1

Authors' conclusion

ETCO2 values during AHUP-CPR reached the range of non-arrest normal physiological levels and were significantly higher than with C-CPR, regardless of the presenting cardiac rhythm.

Study context

Population
Witnessed OHCA patients, France, October 2019–October 2022
Participants
122 patients
Exposure
AHUP-CPR vs conventional cardiopulmonary resuscitation (CPR)
  • C-CPRn = 59reference
  • AHUP-CPRn = 63
Outcome
Peak ETCO2 during CPR
Methodological detailssingle-arm, Physician-staffed 2nd-tier ALS in both periods
  • Single-arm
  • Physician-staffed 2nd-tier ALS in both periods

Main finding

As reported in the abstract

Mean difference

10.6

95% CI 4.6–16.1

P < 0.001

By group

AHUP-CPR vs C-CPR
mean difference 10.6 (95% CI 4.6–16.1); P < 0.001

Observational data: associations, not effects.

Further findings

Baseline ETCO2 · intention-to-treat

Baseline ETCO2

Comparable between pre- and post-intervention periods

Peak ETCO2 by first recorded cardiac rhythm (subgroup)

Mean differences in peak ETCO2 between study periods did not vary according to first recorded cardiac rhythm
  • P for interaction = 0.99

ROSC

Did not differ between study periods

Survival on hospital admission

Did not differ between study periods

Survival with favorable neurological outcome · 30 days

Did not differ between study periods

Parts of this Brief are withheld: the automatic checks could not confirm them against the abstract.

Original publication

Comparison of end tidal CO2 levels between automated head up and conventional cardiopulmonary resuscitation: A pre-post intervention trial. Resuscitation. Published 2 October 2024. doi:10.1016/j.resuscitation.2024.110406

Composed by AI from the published abstract and checked against it. How Briefs are made →

Get them every week

New studies on this topic in My Week and in your Monday e-mail.

We e-mail you a sign-in link and a code. No password, no spam.