Cardiothoracic & vascular anaesthesia

Opioid-free anaesthesia reduces postoperative nausea and vomiting after thoracoscopic lung resection: a randomised controlled trial

Br J AnaesthPublished Randomised controlled trial

Primary resultResult — go to the resultOdds ratio 0.38 95% CI 0.16–0.91

Authors' conclusion

In the context of PONV prophylaxis and multimodal analgesia, SPI-guided opioid-free anaesthesia halved the incidence of PONV after thoracoscopic lung resection, although it was associated with a longer stay in the PACU.

Study context

Population
Adults undergoing thoracoscopic lung resection, with postoperative nausea and vomiting (PONV) prophylaxis (dexamethasone, ondansetron) and multimodal analgesia
Participants
120 adults
Comparison
Opioid-free anaesthesia (OFA) vs opioid-based anaesthesia
Primary endpoint
Occurrence of PONV
Follow-up
First 48 h after surgery
Methodological details1:1 allocation stratified by sex, surgical pleth index (SPI)-guided analgesia
  • 1:1 allocation stratified by sex
  • SPI-guided analgesia

Primary result

As reported in the abstract

Odds ratio

0.38

95% CI 0.16–0.91

P = 0.031

By group

OFA vs Opioid-based anaesthesia
OR 0.38 (95% CI 0.16–0.91); P = 0.031

Further findings

OutcomeOR (95% CI)
Vomiting0.23 (0.08–0.77)
OutcomeMedian difference (min) (95% CI)
PACU LOS15.5 (10–20)

Other secondary outcomes

Comparable between groups

PONV in prespecified subgroups (sex, smoking status, PONV risk scores) (subgroup)

Effect of OFA on PONV did not differ

Safety

Safety outcomes

Comparable between groups

Original publication

Opioid-free anaesthesia reduces postoperative nausea and vomiting after thoracoscopic lung resection: a randomised controlled trial. Br J Anaesth. Published 1 December 2023. doi:10.1016/j.bja.2023.11.008

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

Get them every week

New studies on this topic in My Week and in your Monday e-mail.

We e-mail you a sign-in link and a code. No password, no spam.