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Background: The prevalence of fracture nonunion surgery is increasing in the general population with greater advancement in trauma surgery. Increasingly complex injuries involving the limbs are now amenable for limb preservation surgery, where in the past amputations would have been common place. Aims and Objectives: We carried out a literature review on the evidence available on the use of Bone Morphogenetic Protein 2 (BMP-2) for long bone nonunion surgery. Methods: This literature review was initially undertaken for a systematic review using PRISMA guidelines, however due to lack of high-quality published literature, we present a narrative review instead. The abstracts of the articles obtained on Medline and Embase database were scrutinised according to the inclusion and exclusion criterions. The primary endpoint was union rates, and secondary end points were time to union, re-operation and post op infection rates. Results: A total of 240 titles were obtained, and after review, 3 articles were selected for final analysis. There were no statistically significant differences noted between the primary and secondary endpoints in the autologous bone graft (ABG) group when compared against the BMP-2 with allograft group. An additional review of the literature suggests that BMP-2 is cost neutral to the healthcare system. Conclusion: Although no firm conclusions can be drawn due to lack of power, the trend suggests no significant difference in union rates between autograft or BMP-2 with allograft, with comparable results to each other in all measurable end-points.

Purpose: This study aimed to evaluate the incidence of, and factors associated with, reoperation after distal radius nonunion repair., Methods: We conducted a retrospective cohort study at a multicenter academic institution and identified adult patients who underwent open reduction and internal fixation for distal radius nonunion between January 2005 and August 2021. Thirty-three patients were included in this study. The cohort consisted of 13 males (13/33) and had a median age of 56 years (interquartile ranges: 49-64). Median follow-up was 59 months (interquartile ranges: 23-126)., Results: Unplanned reoperations occurred in eight of 33 patients. The most common reasons for reoperation were irrigation and debridement for infection, revision surgery for persistent nonunion, and unplanned hardware removal. In total, 10 complications occurred in nine patients. The most common complications were infection and persistent nonunion; both occurred in three cases., Conclusions: Complications after distal radius nonunion repair are common. Reoperation after distal radius nonunion repair is required in approximately one of four cases., Type of Study/level of Evidence: Prognosis IV., Competing Interests: Conflicts of Interest No benefits in any form have been received or will be received related directly to this article., (Copyright © 2024 American Society for Surgery of the Hand. Published by Elsevier Inc. All rights reserved.)

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