Respiratory failure & ventilation

Effect of transnasal humidified rapid-insufflation ventilatory exchange on gastric insufflation during anaesthesia induction: A randomised controlled trial and multivariate analysis

Eur J AnaesthesiolPublished Randomised controlled trial

Primary resultResult — go to the resultOdds ratio 0.27 95% CI 0.14–0.56

Authors' conclusion

During anaesthesia induction, the THRIVE technique provided adequate oxygenation with a reduced incidence of gastric insufflation.

Study context

Population
Adults (>18 years, ASA I to III) undergoing GA, single centre, China, May–September 2022
Participants
210 adults
Comparison
Transnasal humidified rapid-insufflation ventilatory exchange (THRIVE) vs pressure-controlled facemask ventilation (PCFV)
Primary endpoint
Incidence of gastric insufflation (real-time ultrasonography) from loss of consciousness until intubation
Methodological detailsprospective, double-blind, single-centre
  • Prospective
  • Double-blind
  • Single-centre

Primary result

As reported in the abstract

Odds ratio

0.27

95% CI 0.14–0.56

P < 0.001

By group

THRIVE

13.0

%

PCFV

35.3%

THRIVE vs PCFV
OR 0.27 (95% CI 0.14–0.56); P < 0.001

Further findings

Increase in antral CSA after induction and gastric insufflation

OR (95% CI)P value
Increase in CSA5.35 (2.90–9.89)P < 0.001

Independent risk factors for gastric insufflation (multivariate logistic regression)

OR (95% CI)
Advancing age1.04 (1.01–1.07)
OSA syndrome2.43 (1.24–4.76)
Higher Mallampati score2.66 (1.21–5.85)
PCFV4.78 (2.06–11.06)

Original publication

Effect of transnasal humidified rapid-insufflation ventilatory exchange on gastric insufflation during anaesthesia induction: A randomised controlled trial and multivariate analysis. Eur J Anaesthesiol. Published 12 May 2023. doi:10.1097/eja.0000000000001846

Composed by AI from the published abstract and checked against it. How Briefs are made →

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