Fresh-frozen femoral head allograft as lumbar interbody graft material allows high fusion rate without subsidence - 16/04/13
, M. Molina
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Summary |
Background |
Circumferential lumbar spinal fusion is widely used to increase fusion rate, but little data is available using fresh-frozen femoral head allograft (FFFHA) as a structural interbody graft alternative.
Hypothesis |
Circumferential lumbar arthrodesis using FFFHA as interbody graft material could be an alternative to achieve interbody fusion without graft subsidence.
Methods |
A retrospective review of 47 patients (56 levels) treated with lumbar circumferential fusion using FFFHA as interbody material. Consolidation was independently assessed by the two authors using a 3-type scale; interbody bone graft subsidence was also evaluated.
Results |
Forty-four of the 47 patients (93.6%), and 53 of the 56 levels (94.6%) obtained consolidation, without differences between smokers and nonsmokers. Three levels (in three patients) did not fuse; one of them (2.1%) required revision. No patient presented graft dislodgment, signs of infection or graft subsidence at the last follow-up.
Discussion |
FFFHA use as lumbar interbody graft in circumferential arthrodesis exhibited a 94% fusion rate, without graft subsidence. FFFHA may be considered a valid alternative to achieve interbody fusion.
Level of evidence |
Level IV. Retrospective study.
Le texte complet de cet article est disponible en PDF.Keywords : Lumbar circumferential fusion, Fresh-frozen allograft, Fusion rate, Interbody graft material, Femoral head allograft, PLIF
Plan
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