Respiratory failure & ventilation

Prophylactic noninvasive ventilation after extubation in high-risk patients without hypercapnia

Intensive Care MedPublished Post hoc analysis of two multicentre randomised trials

Authors' conclusion

For high-risk patients, but without hypercapnia on the day of extubation, the use of prophylactic NIV alternating with HFNC after extubation significantly decreases the risk of reintubation as compared to HFNC alone.

Study context

Population
High-risk patients (>65 years or underlying cardiac/respiratory disease) without hypercapnia (PaCO2 ≤ 45 mmHg) on the day of extubation
Participants
829 patients
Comparison
Prophylactic noninvasive ventilation (NIV) alternating with high-flow nasal cannula (HFNC) vs HFNC alone after extubation
  • NIV + HFNCn = 540
  • HFNC alonen = 289reference
Primary endpoint
Proportion of patients requiring reintubation
Follow-up
Within seven days following extubation
Methodological detailsG-computation
  • G-computation

Primary result

As reported in the abstract

Reintubation · day 7

Difference

- 5.8%

95% CI - 11.2 to −0.8%P = 0.021

Reintubation

Estimated difference (G-computation)

- 5.6%

95% CI - 11.0 to - 0.5%

marginal causal effect

Further findings

Reintubation at 48 h, 72 h and until ICU discharge

Significantly lower with NIV + HFNC than HFNC alone at 48 h, 72 h and until ICU discharge

Original publication

Prophylactic noninvasive ventilation after extubation in high-risk patients without hypercapnia. Intensive Care Med. Published 13 April 2026. doi:10.1007/s00134-026-08396-4

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