ArticleJournal of spine surgery (Hong Kong)2025
Fusion outcomes of structural bone allograft in cervical and lumbar spine surgery: analysis of 147 patients over a decade of follow-up.
Article in Journal of spine surgery (Hong Kong), 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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Abstract
Background: There has been a global increase in spinal fusion surgeries, driving the need for improved graft materials. Human structural allografts from tissue banks provide a safe, cost-effective and efficient alternative, circumventing donor site issues and reducing operating time. This study retrospectively analyses the long-term follow-up of human structural grafts used in various spinal fusion surgeries. The analysis aims to highlight that structural bone grafts are a viable option for spinal fusion. Methods: The study included 147 patients over 18 years old who were treated for cervical and lumbar spinal degenerative, traumatic or oncologic conditions at a single hospital from January 2006 to December 2016. Clinical and radiological follow-up was conducted until December 2023. Human structural bone grafts, sourced from cadaver donors and provided by a single tissue bank, were used in all cases. Results: A total of 98 patients underwent cervical surgery. Among these, 77.6% received bone grafting due to cervical spine fracture luxation, 21.4% for severe degenerative conditions, and 1.0% for corpectomy consequent to tumour metastasis. The mean follow-up was 155.0±35.7 months, with no subsidence documented. A total of 49 patients underwent lumbar surgery, with 95.9% receiving human bone grafting for lumbar spine fracture luxation and the remaining patients for multiple myeloma and degenerative conditions. The mean overall follow-up was 144.7±38.9 months, with only 1 case of subsidence registered in this group. In 98.9% of cervical and 97.9% of lumbar patients, satisfactory fusion was achieved and maintained over the years. Conclusions: Homologous structural bone grafting remains an excellent option for spinal fusion in traumatic and degenerative conditions or as a valuable option in spinal revision surgeries and in cases where the use of cages is not feasible due to anatomical constraints.
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