Respiratory failure & ventilation

Physiotherapist-led intermittent noninvasive ventilation for hypoxaemia following abdominal surgery in a quaternary Australian hospital: a randomised pilot feasibility trial

BJA OpenPublished Randomised pilot feasibility trial

Authors' conclusion

Recruitment to this trial of physiotherapist-led NIV in patients with postoperative hypoxaemia was feasible. NIV was rated acceptable by most participants, and NIV adherence similar to that of previous trials.

Study context

Population
Adults with hypoxaemia (oxyhaemoglobin saturations <90% on room air) within 72 h of major abdominal surgery49 analysed
Participants
50 adults
Comparison
Usual care plus noninvasive ventilation (NIV) vs Usual care
Primary endpoint
Feasibility: patient recruitment rates, NIV treatment adherence, and acceptability to patients
Methodological detailsprospective, single-centre, parallel-group, assessor-blinded, concealed allocation, intention-to-treat analysis
  • Prospective
  • Single-centre
  • Parallel-group
  • Assessor-blinded
  • Concealed allocation
  • Intention-to-treat analysis

Primary result

As reported in the abstract

Feasibility

Recruitment rate over 30 weeks, participants per week

1.7

95% CI 0.7–3.4

Mean total NIV delivered of the protocolised 120 min, min

78

95% CI 55–100

NIV acceptable to participants, 20/22

91%

95% CI 72%–97%

Further findings

PPC incidence on trial enrolment (exploratory), depending on measurement tool

Lowest: 3/49
6% (95% CI 2%-17%)
Highest: 23/49
47% (95% CI 34%-61%)

Safety

No serious adverse events

Original publication

Physiotherapist-led intermittent noninvasive ventilation for hypoxaemia following abdominal surgery in a quaternary Australian hospital: a randomised pilot feasibility trial. BJA Open. Published 13 July 2026. doi:10.1016/j.bjao.2026.100571

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