Acute cardiac care & resuscitation

Mechanical versus manual bag-valve ventilation during cardiopulmonary resuscitation in adults with cardiac arrest: A systematic review and Bayesian meta-analysis

ResuscitationPublished

Pooled result · ROSCResult — go to the resultPooled relative risk 1.20 95% CrI 1.04–1.42
  • systematic review and Bayesian meta-analysis
  • Bayesian random-effects meta-analyses
+1 more
  • Bayesian random-effects meta-analyses

Authors' conclusion

In adult cardiac arrest, MV use during CPR was associated with higher ROSC compared with manual BV. Evidence for improved survival and neurological outcomes remains imprecise and inconclusive.

Study context

Population
Adult cardiac arrest patients receiving cardiopulmonary resuscitation (CPR)
Participants
6,847 Eight studies
Comparison
Mechanical ventilation (MV) use during CPR compared with manual BV
Outcome
ROSC

Pooled result

ROSC

Pooled relative risk

1.20

95% CrI 1.04–1.42

MV vs BV
pooled RR 1.20 (95% CrI 1.04–1.42)

As reported in the abstract

posterior probability of benefit
99%

Further pooled results

Survival to admission, survival to discharge, favorable neurological outcome

Posterior probability favoring MV for survival to admission
92.3%
Posterior probability favoring MV for survival to discharge
93.6%
Posterior probability favoring MV for favorable neurological outcome
92.2%

Original publication

Mechanical versus manual bag-valve ventilation during cardiopulmonary resuscitation in adults with cardiac arrest: A systematic review and Bayesian meta-analysis. Resuscitation. Published 12 October 2026. doi:10.1016/j.resuscitation.2026.111345

Summarised from the published abstract; every number is checked against it