• Tejas Subramanian, Izzet Akosman, Troy B Amen, Anthony Pajak, Neerav Kumar, Austin Kaidi, Kasra Araghi, Pratyush Shahi, Tomoyuki Asada, Sheeraz A Qureshi, and Sravisht Iyer.
• Department of Orthopedic Surgery, Hospital for Special Surgery, New York, NY.
• Spine. 2024 Feb 15; 49 (4): 269277269-277.

Study DesignSystematic Review and Meta-analysis.ObjectiveThe objective of this study is to synthesize the early data regarding and analyze the safety profile of outpatient lumbar fusion.Summary Of Background DataPerforming lumbar fusion in an outpatient or ambulatory setting is becoming an increasingly employed strategy to provide effective value-based care. As this is an emerging option for surgeons to employ in their practices, the data is still in its infancy.MethodsThis study was conducted using the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines. Studies that described outcomes of inpatient and outpatient lumbar fusion cohorts were searched from PubMed, Medline, The Cochrane Library, and Embase. Rates of individual medical and surgical complications, readmission, and reoperation were collected when applicable. Patient-reported outcomes (PROMs) were additionally collected if reported. Individual pooled comparative meta-analysis was performed for outcomes of medical complications, surgical complications, readmission, and reoperation. PROMs were reviewed and qualitatively reported.ResultsThe search yielded 14 publications that compared outpatient and inpatient cohorts with a total of 75,627 patients. Odds of readmission demonstrated no significant difference between outpatient and inpatient cohorts [OR=0.94 (0.81-1.11)]. Revision surgery similarly was no different between the cohorts [OR=0.81 (0.57-1.15)]. Pooled medical and surgical complications demonstrated significantly decreased odds for outpatient cohorts compared with inpatient cohorts [OR=0.58 (0.34-0.50), OR=0.41 (0.50-0.68), respectively]. PROM measures were largely the same between the cohorts when reported, with few studies showing better ODI and VAS Leg outcomes among outpatient cohorts compared with inpatient cohorts.ConclusionPreliminary data regarding the safety of outpatient lumbar fusion demonstrates a favorable safety profile in appropriately selected patients, with PROMs remaining comparable in this setting. There is no data in the form of prospective and randomized trials which is necessary to definitively change practice.Copyright © 2023 Wolters Kluwer Health, Inc. All rights reserved.

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