Respiratory failure & ventilation

Humidified Noninvasive Ventilation versus High-Flow Therapy to Prevent Reintubation in Patients with Obesity: A Randomized Clinical Trial

Am J Respir Crit Care MedPublished Randomised controlled trial

Authors' conclusion

Among adult critically ill patients with obesity at intermediate risk for extubation failure, the rate of reintubation was not significantly lower with NIV than with HFNC.

Study context

Population
Patients with obesity (BMI >30) ready for planned extubation with three or fewer risk factors for reintubation, without hypercapnia at end of SBT; two ICUs in Spain, June 2020-June 2021
Participants
144 patients
Comparison
Noninvasive ventilation (NIV) with active humidification vs high-flow nasal cannula (HFNC) for 48 hours after extubation
  • NIVn = 72
  • HFNCn = 72reference
Primary endpoint
Reintubation rate
Follow-up
Within 7 days after extubation
Methodological detailstwo-centre, post hoc Bayesian analysis
  • Two-centre
  • Post hoc Bayesian analysis

Primary result

Reintubation

Difference between groups

9.7

95% CI −4.9 to 24.4

Events by treatment group

NIV vs HFNC
difference between groups 9.7 (95% CI −4.9 to 24.4)

As reported in the abstract

Further findings

Secondary analyses

All secondary analyses showed nonsignificant differences

Probability of reduction in reintubation with NIV (exploratory Bayesian analysis)

Data-driven prior
99%
Minimally informative prior
90%
Skeptical prior
89%
  • Post hoc

Original publication

Humidified Noninvasive Ventilation versus High-Flow Therapy to Prevent Reintubation in Patients with Obesity: A Randomized Clinical Trial. Am J Respir Crit Care Med. Published 1 February 2025. doi:10.1164/rccm.202403-0523oc

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