Trial reportJAMA network open2024
Semirecumbent Positioning During Anesthesia Recovery and Postoperative Hypoxemia: A Randomized Clinical Trial.
Trial report in JAMA network open, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to 2 registered trials, which are not on this map. Cited by 12 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Effect of Semirecumbent and Lateral Positioning on Postoperative Hypoxemia : a Randomized Controlled Trial
Predictive Value of the Preoperative ROX Index for Early Postoperative Hypoxemia in Bariatric Surgery Patients: A Prospective Observational Cohort Study
Who cites it
12 citing papers in PubMed.
- Effects of out-of-bed armchair positioning on oxygenation in spontaneously breathing ICU patients receiving respiratory support: a randomized controlled trial.Intensive care medicine · 2026Trial
- Effect of lateral versus supine positioning on hypoxaemia in sedated adults: multicentre randomised controlled trial.BMJ (Clinical research ed.) · 2025Trial
- Postoperative ARDS: distinct etiologies, distinct priorities.Intensive care medicine · 2026Article
- Article
- Risk factors associated with prolonged stay in the post-anesthesia care unit: a case-control study.Frontiers in medicine · 2026Article
- Need for Pharmacologic Targets and Therapeutics for Postoperative Respiratory Depression and Pulmonary Complications in Veterinary Medicine.Journal of pain research · 2026Review
- Incidence and risk factors for unplanned intensive care unit transfer from the postanesthesia care unit: a case-control study.BMC anesthesiology · 2025Article
- Impact of tracheal extubation location after surgical procedures on peri-operative times: a prospective dual-centre observational study.Anaesthesia · 2025Observational
- Intra-hospital transport of adult critically ill patients treated with high flow nasal cannula oxygen: a prospective observational multicenter study.Annals of intensive care · 2025Article
- Analysis of risk factors for hypoxemia in PACU for patients undergoing thoracoscopic lung cancer resection based on logistic regression model.BMC anesthesiology · 2025Article
- General anesthesia with spontaneous breathing and laryngeal mask airway intubation combined with peripheral nerve block in orthopedic surgery: a retrospective study.Frontiers in medicine · 2025Article
- A Comparative Study of Sugammadex and Neostigmine: A Bibliometric Analysis of the Past 15 Years.Drug design, development and therapy · 2025Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
11 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Importance: The efficacy of a semirecumbent position (SRP) in reducing postoperative hypoxemia during anesthesia emergence is unclear despite its widespread use. Objective: To determine the differences in postoperative hypoxemia between patients in an SRP and a supine position. Design, Setting, and Participants: This randomized clinical trial was performed at a tertiary hospital in China between March 20, 2021, and May 10, 2022. Patients scheduled to undergo laparoscopic upper abdominal surgery under general anesthesia were enrolled. Study recruitment and follow-up are complete. Interventions: Patients were randomized to 1 of the following positions at the end of the operation until leaving the postanesthesia care unit: supine (group S), 15° SRP (group F), or 30° SRP (group T). Main Outcomes and Measures: The primary outcome was the incidence of postoperative hypoxemia in the postanesthesia care unit. Severe hypoxemia was also evaluated. Results: Out of 700 patients (364 men [52.0%]; mean [SD] age, 47.8 [11.3] years), 233 were randomized to group S (126 men [54.1%]; mean [SD] age, 48.2 [10.9] years), 233 to group F (122 men [52.4%]; mean [SD] age, 48.1 [10.9] years), and 234 to group T (118 women [50.4%]; mean [SD] age, 47.2 [12.1] years). Postoperative hypoxemia differed significantly among the 3 groups (group S, 109 of 233 [46.8%]; group F, 105 of 233 [45.1%]; group T, 76 of 234 [32.5%]; P = .002). This difference was statistically significant for groups T vs S (risk ratio [RR], 0.69 [95% CI, 0.55-0.87]; P = .002) and groups T vs F (RR, 0.72 [95% CI, 0.57-0.91]; P = .007), but not for groups F vs S (RR, 0.96 [95% CI, 0.79-1.17]; P = .78). Severe hypoxemia also differed among the 3 groups (group S, 61 of 233 [26.2%]; group F, 53 of 233 [22.7%]; group T, 36 of 234 [15.4%]; P = .01). This difference was statistically significant for groups T vs S (RR, 0.59 [95% CI, 0.41-0.85]; P = .005). Conclusions and Relevance: 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. Trial Registration: Chinese Clinical Trial Registry Identifier: ChiCTR2100045087.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.