Respiratory failure & ventilation

Prehospital Use of Non‐Invasive Ventilation for Acute Respiratory Failure due to Acute Exacerbation of Chronic Obstructive Pulmonary Disease. A Randomised Trial

Acta Anaesthesiol ScandPublished Randomised controlled trial

  • terminated early
  • Terminated early due to low recruitment; 111 screened

Authors' conclusion

The clinical effect of prehospital non-invasive ventilation could not be determined due to early termination.

Study context

Population
Prehospital patients with suspected acute respiratory failure due to acute exacerbation of COPD with respiratory acidosis (pH < 7.30 and PaCO2 > 6.0 kPa), attended by physician-manned emergency care units14 analysed
Participants
16 patients
Comparison
NIV + standard medical treatment vs Standard medical treatment alone
Primary endpoint
Change in arterial pH from enrolment to hospital arrival
Follow-up
Hospital arrival
Methodological detailsinvestigator-initiated, multicentre, Missing data limited assessment of in-hospital outcomes, Recruitment limited by strict inclusion criteria, procedural complexity and implementation of prehospital arterial blood gas analysis
  • Investigator-initiated
  • Multicentre
  • Missing data limited assessment of in-hospital outcomes
  • Recruitment limited by strict inclusion criteria, procedural complexity and implementation of prehospital arterial blood gas analysis

Primary result

As reported in the abstract

Prehospital pH change

NIV + standard medical treatment

0.09

median · IQR 0.02–0.12

Standard medical treatment alone

0.02

median · IQR 0.01–0.03

Further findings

On-scene time

Original publication

Prehospital Use of Non‐Invasive Ventilation for Acute Respiratory Failure due to Acute Exacerbation of Chronic Obstructive Pulmonary Disease. A Randomised Trial. Acta Anaesthesiol Scand. Published 31 May 2026. doi:10.1111/aas.70269

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