Resorbable posterolateral graft containment in a rabbit spinal fusion model.
basic_science · Level V
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Abstract
The authors studied the effect of a resorbable graft containment device in a rabbit posterolateral lumbar spinal fusion model. Twenty rabbits were divided into four groups: autologous bone graft (ABG), ABG with the MacroPore containment device (ABG + MP), demineralized bone matrix (DBM), and DBM with the containment device (DBM + MP). Fusion mass was assessed at 6 weeks with high-resolution radiography and volumetric computerized tomography. The graft containment device was associated with alteration of the fusion mass structure and significant enhancement of fusion mass volume (ABG versus ABG + MP, p = 0.027; DBM versus DBM + MP, p = 0.043). A bioabsorbable protective graft containment device successfully enhanced posterolateral spinal fusion mass volume.
Medical subject headings
- Absorbable Implants
- Biocompatible Materials
- Lumbar Vertebrae
- Polyesters
- Spinal Fusion
- Spinal Injuries
Anatomy
- lumbar spine