The need for structural allograft biomechanical guidelines

Satoshi Kawaguchi, Robert A. Hart

Research output: Contribution to journalReview article

1 Scopus citations

Abstract

Because of their osteoconductive properties, structural bone allografts retain a theoretic advantage in biologic performance compared with artificial interbody fusion devices and endoprostheses. Current regulations have addressed the risks of disease transmission and tissue contamination, but comparatively few guidelines exist regarding donor eligibility and bone processing issues with a potential effect on the mechanical integrity of structural allograft bone. The lack of guidelines appears to have led to variation among allograft providers in terms of processing and donor screening regarding issues with recognized mechanical effects. Given the relative lack of data on which to base reasonable screening standards, a basic biomechanical evaluation was performed on one source of structural bone allograft, the femoral ring. Of the tested parameters, the minimum and maximum cortical wall thicknesses of femoral ring allograft were most strongly correlated with the axial compressive load to failure of the graft, suggesting that cortical wall thickness may be a useful screening tool for compressive resistance expected from fresh cortical bone allograft. Development of further biomechanical and clinical data to direct standard development appears warranted.

Original languageEnglish (US)
Pages (from-to)87-93
Number of pages7
JournalInstructional course lectures
Volume64
StatePublished - Jan 1 2015

    Fingerprint

ASJC Scopus subject areas

  • Medicine(all)

Cite this