Observational studyBMC anesthesiology2022
Postoperative pulmonary complications with adjuvant regional anesthesia versus general anesthesia alone: a sub-analysis of the Perioperative Research Network study.
Observational study in BMC anesthesiology, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT07728214 (Reminder-enhanced Incentive Spirometry Evaluation), which is not on this map. Cited by 4 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.
Reminder-enhanced Incentive Spirometry Evaluation (RISE)
Who cites it
4 citing papers in PubMed, 9 citations in OpenAlex.
- The association between regional anesthesia and postoperative pulmonary complications following lung resection surgery: a hospital-based, retrospective cohort study.Annals of medicine · 2026Article
- Pulmonary impairment after interscalene block for orthopedic shoulder surgery: a systematic review.JSES reviews, reports, and techniques · 2026Review
- The Effect of Induced Hypothermia on Postoperative Outcomes Following Hyperthermic Intraperitoneal Chemotherapy: A Negative Finding.Therapeutics and clinical risk management · 2025Article
- The elderly in the post-anesthesia care unit.Saudi journal of anaesthesiaReview
Corrections and comments
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Authors and funding
14 authors at 10 institutions in 1 country.
Funding
Abstract
backgroundAdjuvant regional anesthesia is often selected for patients or procedures with high risk of pulmonary complications after general anesthesia. The benefit of adjuvant regional anesthesia to reduce postoperative pulmonary complications remains uncertain. In a prospective observational multicenter study, patients scheduled for non-cardiothoracic surgery with at least one postoperative pulmonary complication surprisingly received adjuvant regional anesthesia more frequently than those with no complications. We hypothesized that, after adjusting for surgical and patient complexity variables, the incidence of postoperative pulmonary complications would not be associated with adjuvant regional anesthesia.
methodsWe performed a secondary analysis of a prospective observational multicenter study including 1202 American Society of Anesthesiologists physical status 3 patients undergoing non-cardiothoracic surgery. Patients were classified as receiving either adjuvant regional anesthesia or general anesthesia alone. Predefined pulmonary complications within the first seven postoperative days were prospectively identified. Groups were compared using bivariable and multivariable hierarchical logistic regression analyses for the outcome of at least one postoperative pulmonary complication.
resultsAdjuvant regional anesthesia was performed in 266 (22.1%) patients and not performed in 936 (77.9%). The incidence of postoperative pulmonary complications was greater in patients receiving adjuvant regional anesthesia (42.1%) than in patients without it (30.9%) (site adjusted p = 0.007), but this association was not confirmed after adjusting for covariates (adjusted OR 1.37; 95% CI, 0.83-2.25; p = 0.165).
conclusionAfter adjusting for surgical and patient complexity, adjuvant regional anesthesia versus general anesthesia alone was not associated with a greater incidence of postoperative pulmonary complications in this multicenter cohort of non-cardiothoracic surgery patients.
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Registered trials
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