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A Comparison of Dynamic Compression Plates and Locking Compression Plates Using Cantilever Bending in a Canine Ilial Fracture Model

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dc.contributor.advisor Gibson, Thomas
dc.contributor.author Bruce, Charles
dc.contributor.author Gibson, Thomas
dc.contributor.author Runciman, John
dc.date.accessioned 2014-05-07T19:19:47Z
dc.date.available 2014-05-07T19:19:47Z
dc.date.copyright 2014
dc.date.created 2014-04-28
dc.date.issued 2014-05-07
dc.identifier.uri http://hdl.handle.net/10214/8100
dc.description.abstract Pelvic fractures account for approximately one quarter of all fractures in small animals of which 18-46% are ilial fractures. The most common treatment of ilial fractures is lateral plating with the most common complication being implant failure usually due to screw loosening from the cranial ilial segment. The high incidence of screw loosening has been attributed to poor quality bone in the cranial ilial segment. Ten pelves were harvested from healthy dogs euthanized for reasons unrelated to this study and divided into two groups. A transverse osteotomy was performed and stabilized with either a 6-hole Dynamic Compression Plate applied in compression or a 6-hole Locking Compression Plate. Pelves were tested in cantilever bending to failure and construct stiffness, yield load, ultimate load at failure, displacement at failure, and mode of failure compared. The mean stiffness (N/mm) of tested DCP constructs was 192 (95% CI 121-264) and of LCP constructs was 224 (95% CI 152 - 295) and mean yield load (N) of DCP constructs was 900 (95% CI 649-1151) and of LCP constructs was 984 (95% CI 733-1235). Observed locking plate construct performance did appear superior to non-locking constructs, but no significant statistical differences were found between the constructs with respect to mode of failure, stiffness, displacement at failure, yield load or ultimate load at failure. Our study suggests that given the limited number of samples there is no difference between DCP and LCP construct performance in vitro acute failure testing. en_US
dc.description.sponsorship Synthes en_US
dc.language.iso en en_US
dc.subject Canine en_US
dc.subject Ilium en_US
dc.subject Bone Quality en_US
dc.subject Locking Compression Plate en_US
dc.subject Dynamic Compression Plate en_US
dc.subject Cantilever Bending en_US
dc.title A Comparison of Dynamic Compression Plates and Locking Compression Plates Using Cantilever Bending in a Canine Ilial Fracture Model en_US
dc.type Thesis en_US
dc.degree.programme Clinical Studies en_US
dc.degree.name Doctor of Veterinary Science en_US
dc.degree.department Department of Clinical Studies en_US
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