ReviewHealthcare (Basel, Switzerland)2025
Perioperative Methadone in Orthopedic Surgery: A Scoping Review.
Review in Healthcare (Basel, Switzerland), 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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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.
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4 authors.
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Abstract
BACKGROUND/
objectiveThe present study is a scoping review of the literature from Medline, PubMed, and Scopus databases from 2000 to 2025. Studies were selected based on predefined criteria, including the intraoperative administration of methadone during orthopedic surgery and the reporting of outcomes such as pain scores, opioid consumption, or adverse effects. A qualitative synthesis of the findings from 13 selected studies was performed to evaluate the existing literature on the efficacy and safety of perioperative methadone for postoperative pain management in orthopedic surgery.
methodsStudies were selected based on predefined criteria, including the intraoperative administration of methadone during orthopedic surgery and the reporting of outcomes such as pain scores, opioid consumption, or adverse effects. A qualitative synthesis of the findings from 13 selected studies was performed.
resultsRandomized controlled trials in adult spine surgery consistently showed that intraoperative methadone (0.2 mg/kg) significantly reduced postoperative opioid consumption by up to 50% and lowered pain scores for up to 72 h compared to other opioids. Similar benefits were observed in pediatric spine surgery, particularly with multimodal regimens including methadone, which reduced total opioid use by as much as 76%. However, for arthroscopic knee surgery, morphine provided superior analgesia compared to methadone. The safety profile of perioperative methadone appears acceptable, with no major adverse events reported when dosed appropriately.
conclusionsPerioperative methadone is an effective analgesic adjunct that reduces postoperative pain and opioid requirements, especially in major spine surgery when integrated into a multimodal strategy. Its efficacy varies by surgical context, and further high-quality research is needed to define optimal dosing and its role in other orthopedic procedures.
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