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Year : 2020  |  Volume : 6  |  Issue : 1  |  Page : 7-12

The effect of fixation dynamization on fracture healing: A systematic review

Department of Surgical Sciences, Division of Orthopaedics, Faculty of Medicine and Health Sciences, Tygerberg Hospital, Stellenbosch University, Cape Town, 7505, South Africa

Correspondence Address:
Prof. Nando Ferreira
Department of Surgical Sciences, Division of Orthopaedic Surgery, Faculty of Medicine and Health Sciences, Tygerberg Hospital, Stellenbosch University, Cape Town, 7505
South Africa
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/jllr.jllr_11_20

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Dynamization of fixation has long been used as a strategy to promote fracture healing. Which clinical scenarios would benefit from dynamization, how and when to introduce it and its effectiveness remains to be elucidated. A systematic review of the literature reporting on the use of dynamization in fracture healing using the Preferred Reporting Items for Systematic Reviews and Meta-Analysis was conducted. The primary outcome was time to union and union rate of fractures across all anatomical sites, including adult and pediatric populations. A total of 19 studies fulfilled the inclusion criteria of which 14 studies evaluated the use of dynamization using intramedullary nails, while five studies evaluated external fixator dynamization. The diversity of dynamization strategies, variation in timing of dynamization and contradictory results precludes definitive conclusions. Further research is needed before recommendations for the use of dynamization to improve fracture healing can be considered.

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