Perioperative medicine & outcomes
Comparing the effects of continuous positive airway pressure via mask or helmet interface on oxygenation and pulmonary complications after major abdominal surgery: a randomized trial
Authors' conclusion
Compared with ICPAP, using HCPAP was associated with similar oxygenation (i.e., PaO2/FIO2 ratio) and a similar risk of pulmonary complications. However, HCPAP treatment was associated with a higher sensation of claustrophobia.
Study context
- Population
- Patients undergoing open abdominal aortic aneurysm repair or pancreaticoduodenectomy
- Participants
- 96 patients
- Comparison
- ICPAP vs helmet CPAP (HCPAP)
- ICPAPn = 48reference
- HCPAPn = 48
- Primary endpoint
- Oxygenation (PaO2/FIO2 ratio)
- Follow-up
- 6 h, 12 h, and 18 h postoperatively
Primary result
As reported in the abstract
Oxygenation (PaO2/FIO2) · 6 h, 12 h, 18 h postoperatively
- Oxygenation did not differ between the groups at 6 h, 12 h or 18 h
- p = 0.1, 0.08, and 0.67, respectively
Further findings
| Outcome | P value |
|---|---|
| X-ray verified pneumonia/atelectasisNo difference | P = 0.40 |
| Supplementary oxygen beyond POD 3No difference | P = 0.53 |
| Clinical signs of pneumonia | P = 0.06 |
| Patient-reported comfort scoresSimilar in both groups | P = 0.43 |
- Clinical signs of pneumonia: tended to be more frequent in ICPAP; not statistically significant
Safety
Sensation of claustrophobia during treatment
P = 0.03
Original publication
Comparing the effects of continuous positive airway pressure via mask or helmet interface on oxygenation and pulmonary complications after major abdominal surgery: a randomized trial. J Clin Monit Comput. Published 16 April 2022. doi:10.
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