Journal
JOURNAL OF CLINICAL NEUROSCIENCE
Volume 25, Issue -, Pages 36-40Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.jocn.2015.08.012
Keywords
Beta-tricalcium phosphates; Bone marrow aspirate; Posterolateral fusion
Categories
Funding
- DePuy Synthes
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This prospective clinical study evaluated the use of a composite bone void filler (ChronOS Strip, DePuy Synthes, West Chester, PA, USA), combined with bone marrow aspirate plus local autologous bone, in a series of patients undergoing instrumented posterolateral spinal fusion with interbody support. Seventy-six patients were enrolled and treated per protocol at 13 clinical sites. At 24 months, 55/76 patients (72%) were evaluated, with 49/76 (65%) having sufficient data to determine the primary endpoint. The primary endpoint, posterolateral fusion success, was achieved in 48/54 (88.9%) patients at 12 months and in 45/49 (91.8%) patients at 24 months. At all follow-up time points, statistically significant improvements were observed when compared to baseline in back and leg pain and functional status as measured by visual analog scale, Oswestry Disability Index and 12-Item Short Form health surveys. This prospective multi-center series provides evidence that the composite bone void filler, when applied posterolaterally with instrumentation, bone marrow aspirate and/or local autologous bone and concomitant interbody support, can be used to achieve a successful posterolateral fusion, resulting in improvements in clinical outcomes in patients with degenerative disc disease. (C) 2015 Elsevier Ltd. All rights reserved.
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