Substitutes of Structural and Non-Structural Autologous Bone Grafts in Hindfoot Arthrodeses and Osteotomies: A Systematic Review
Müller, Marc Andreas
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CitationMüller, Marc Andreas, Alexander Frank, Matthias Briel, Victor Valderrabano, Patrick Vavken, Vahid Entezari, and Arne Mehrkens. 2013. Substitutes of structural and non-structural autologous bone grafts in hindfoot arthrodeses and osteotomies: A systematic review. BMC Musculoskeletal Disorders 14:59.
AbstractBackground: Structural and non-structural substitutes of autologous bone grafts are frequently used in hindfoot arthrodeses and osteotomies. However, their efficacy is unclear. The primary goal of this systematic review was to compare autologous bone grafts with structural and non-structural substitutes regarding the odds of union in hindfoot arthrodeses and osteotomies. Methods: The Medline and EMBASE and Cochrane databases were searched for relevant randomized and non-randomized prospective studies as well as retrospective comparative chart reviews. Results: 10 studies which comprised 928 hindfoot arthrodeses and osteotomies met the inclusion criteria for this systematic review. The quality of the retrieved studies was low due to small samples sizes and confounding variables. The pooled random effect odds for union were 12.8 (95% CI 12.7 to 12.9) for structural allografts, 5.7 (95% CI 5.5 to 6.0) for cortical autologous grafts, 7.3 (95% CI 6.0 to 8.6) for cancellous allografts and 6.0 (95% CI 5.7 to 6.4) for cancellous autologous grafts. In individual studies, the odds of union in hindfoot arthrodeses achieved with cancellous autologous grafts was similar to those achieved with demineralised bone matrix or platelet derived growth factor augmented ceramic granules. Conclusion: Our results suggest an equivalent incorporation of structural allografts as compared to autologous grafts in hindfoot arthrodeses and osteotomies. There is a need for prospective randomized trials to further clarify the role of substitutes of autologous bone grafts in hindfoot surgery.
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