Bolland, Benjamin J.R.F., New, Andrew M.R., Madabhushi, Gopal, Oreffo, Richard O.C. and Dunlop, Douglas G.
The role of vibration and drainage in femoral impaction bone grafting
Journal of Arthroplasty, 23, (8), . (doi:10.1016/j.arth.2007.10.011). (PMID:18534472).
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Vibration is commonly used in civil engineering applications to efficiently compact aggregates. This study examined the effect of vibration and drainage on bone graft compaction and cement penetration in an in vitro femoral impaction bone grafting model with the use of 3-dimensional micro-computed tomographic imaging. Three regions were analyzed. In the middle and proximal femoral regions, there was a significant increase in the proportion of bone grafts with a reciprocal reduction in water and air in the vibration-assisted group (P < .01) as compared with the control group, suggesting tighter graft compaction. Cement volume was also significantly reduced in the middle region in the vibration-assisted group. No difference was observed in the distal region. This study demonstrates the value of vibration and drainage in bone graft compaction, with implications therein for clinical application and outcome.
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