Allograft impaction and cement penetration after revision hip replacement: A HISTOMORPHOMETRIC ANALYSIS IN THE CADAVER FEMUR

H. Frei; P. Mitchell; B. A. Masri; C. P. Duncan; T. R. Oxland

doi:10.1302/0301-620X.86B5.14016

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Allograft impaction and cement penetration after revision hip replacement

A HISTOMORPHOMETRIC ANALYSIS IN THE CADAVER FEMUR

H. Frei
P. Mitchell
B. A. Masri
C. P. Duncan
T. R. Oxland

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Allograft impaction and cement penetration after revision hip replacement

Frei H, Mitchell P, Masri BA, Duncan CP, Oxland TR. Allograft impaction and cement penetration after revision hip replacement. J Bone Joint Surg Br. 2004;86-B(5):771-776. doi:10.1302/0301-620X.86B5.14016

Frei, H., et al. “Allograft impaction and cement penetration after revision hip replacement.” The Journal of Bone & Joint Surgery British Volume, vol. 86-B, no. 5, 2004, pp. 771-776., https://doi.org/10.1302/0301-620X.86B5.14016

Frei, H., Mitchell, P., Masri, B. A., Duncan, C. P., & Oxland, T. R. (2004). Allograft impaction and cement penetration after revision hip replacement. The Journal of Bone & Joint Surgery British Volume, 86-B(5), 771-776. https://doi.org/10.1302/0301-620X.86B5.14016

Frei, H., Mitchell, P., Masri, B. A., Duncan, C. P. and Oxland, T. R. (2004) “Allograft impaction and cement penetration after revision hip replacement.” The Journal of Bone & Joint Surgery British Volume, 86-B(5), pp. 771-776. Available at: https://doi.org/10.1302/0301-620X.86B5.14016

Frei, H., P. Mitchell, B. A. Masri, C. P. Duncan, and T. R. Oxland. “Allograft impaction and cement penetration after revision hip replacement.” The Journal of Bone & Joint Surgery British Volume 86-B, no. 5 (2004): 771-776. https://doi.org/10.1302/0301-620X.86B5.14016

Frei H, Mitchell P, Masri BA, Duncan CP, Oxland TR. Allograft impaction and cement penetration after revision hip replacement. J Bone Joint Surg Br. 2004 Jul 1;86-B(5):771-776. https://doi.org/10.1302/0301-620X.86B5.14016

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Abstract

We studied various aspects of graft impaction and penetration of cement in an experimental model. Cancellous bone was removed proximally and local diaphyseal lytic defects were simulated in six human cadaver femora. After impaction grafting the specimens were sectioned and prepared for histomorphometric analysis.

The porosity of the graft was lowest in Gruen zone 4 (52%) and highest in Gruen zone 1 (76%). At the levels of Gruen zones 6 and 2 the entire cross-section was almost filled with cement. Cement sometimes reached the endosteal surface in other Gruen zones. The mean peak impaction forces exerted with the impactors were negatively correlated with the porosity of the graft.

Correspondence should be sent to Dr T. R. Oxland.

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