Perioperative medicine & outcomes
Semirecumbent Positioning During Anesthesia Recovery and Postoperative Hypoxemia: A Randomized Clinical Trial
Authors' conclusion
In this randomized clinical trial of SRP during anesthesia recovery in patients undergoing laparoscopic upper abdominal surgery, postoperative hypoxemia was significantly reduced in group T compared with group F or group S.
Study context
- Population
- Patients undergoing laparoscopic upper abdominal surgery under GA, tertiary hospital in China, 2021–2022
- Participants
- 700 patients
- Comparison
- 15° or 30° semirecumbent position vs supine during anesthesia recovery
- Group Sn = 233reference
- Group Fn = 233
- Group Tn = 234
- Primary endpoint
- Incidence of postoperative hypoxemia in the PACU
Methodological detailssingle-centre, three-arm
- Single-centre
- Three-arm
Primary result
As reported in the abstract
Relative risk (95% CI)P value
Group T vs group S
0.69(0.55–0.87)
P = 0.002Group T vs group F
0.72(0.57–0.91)
P = 0.007Group F vs group S
0.96(0.79–1.17)
P = 0.78Further findings
| Outcome | Group S | Group F | Group T | RR (95% CI) | P value | |
|---|---|---|---|---|---|---|
| Severe hypoxemiaGroup T vs group S | 26.2% | 22.7% | 15.4% | 0.59 (0.41–0.85) | P = 0.005 | |
| 0.512Relative risk (log scale) |
- Severe hypoxemia: overall difference among 3 groups P = .01
Original publication
Semirecumbent Positioning During Anesthesia Recovery and Postoperative Hypoxemia: A Randomized Clinical Trial. JAMA Netw Open. Published 3 June 2024. doi:10.
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