PERIPROSTHETIC BONE DENSITY CHANGES EVALUATION USING COMPUTED TOMOGRAPHY
https://doi.org/10.14531/ss2005.4.72-76
Abstract
The aim of this study was to examine the effect of the presence of two types of metallic intervertebral lumbar fusion implants (a porous nitinol and a hollow titanium cylindrical implants) in the implant peripheral tissue after 3, 6 and 12 months post-implantation in a lumbar sheep model in order to evaluate and compare the biofunctionality and biocompatibility of both implants. 19 sheep were used to evaluate this bone density variation using computer tomography (CT). 16 of them received both implants at either level L2–L3 or L4–L5 and 3 other non-treated animals were used as controls. Results indicated that PNT obtained a superior biofunctionality that the conventional titanium implant. However, the biocompatibility of porous nitinol seemed comparable to that of titanium – a well-known long-term implant material.
About the Authors
Fidele Likibi
Hospital Sainte-Justine, Centre de Recherche Pediatrique, Ecole Polytechnique/Universite de Montreal, Institut de Genie Biomedical
Russian Federation
Russian Federation
Michel Assad
Biorthex Inc., Montreal, Canada
Russian Federation
Russian Federation
Christine Coillard
Hospital Sainte-Justine, Centre de Recherche Pediatrique
Russian Federation
Russian Federation
Gilles Chabot
Hospital Sainte-Justine, Centre de Recherche Pediatrique
Russian Federation
Russian Federation
Charles-H. . Rivard
Hospital Sainte-Justine, Centre de Recherche Pediatrique, Ecole Polytechnique/Universite de Montreal, Institut de Genie Biomedical, Biorthex Inc., Montreal, Canada
Russian Federation
Russian Federation
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Review
For citations:
Likibi F., Assad M., Coillard Ch., Chabot G., Rivard Ch. PERIPROSTHETIC BONE DENSITY CHANGES EVALUATION USING COMPUTED TOMOGRAPHY. Russian Journal of Spine Surgery (Khirurgiya Pozvonochnika). 2005;(4):072-076. (In Russ.) https://doi.org/10.14531/ss2005.4.72-76
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