Pediatric anesthesia & critical care

Effect of different lung recruitment strategies and airway device on oscillatory mechanics in children under general anaesthesia

Eur J AnaesthesiolPublished Randomised controlled trial

Primary result · Change in reactance after recruitment (corrected for baseline reactance)Result — go to the resultDifference 0.25 cmH 2 O

Authors' conclusion

Although there was no significant difference between airway devices, this study demonstrated more effective recruitment via repeated inflations than sustained inflation in anaesthetised children.

Study context

Population
Healthy children aged 2–16 years undergoing GA53 boys
Participants
70 children
Comparison
Sustained inflation vs Repeated inflations
Primary endpoint
Change in respiratory reactance (forced oscillation technique (FOT), 5 Hz)
Methodological detailspragmatic enrolment, single-centre, 2 airway devices as factor, February 2020 to March 2022
  • Pragmatic enrolment
  • Single-centre
  • 2 airway devices as factor
  • February 2020 to March 2022

Primary result

As reported in the abstract

Change in reactance after recruitment (corrected for baseline reactance)

Difference

0.25 cmH 2 O

P = 0.0166

Further findings

Baseline reactance as predictor of change in reactance after recruitment

Prerecruitment Xrs decrease per 1 cmH 2 O −1 s l −1 increase in baseline Xrs, mean (SE 0.068), cmH 2 O s l −1; P < 0.001
0.25
  • Strongest predictor

Airway device

No significant difference between airway devices

Original publication

Effect of different lung recruitment strategies and airway device on oscillatory mechanics in children under general anaesthesia. Eur J Anaesthesiol. Published 21 May 2024. doi:10.1097/eja.0000000000001999

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