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Indian Journal of Veterinary Surgery
Year : 2020, Volume : 41, Issue : 2
First page : ( 107) Last page : ( 112)
Print ISSN : 0254-4105. Online ISSN : 0973-9726.

Elastic plate osteosynthesis by long plate working length using locking compression plates as plate-rod constructs for the treatment of unstable diaphyseal femoral fractures in dogs

Basha K. Mohammed Arif*, Singh Kiranjeet, Gopinathan Aswathy, Sowbharenya C., Swapna C.R., Sasikala R., Akshay, Kumar Naveen

PG Scholar, Senior Scientist, Scientist and Principal Scientist, Division of Surgery, ICAR-Indian Veterinary Research Institute, Izatnagar, Bareilly-243 122 (UP)

*Corresponding author; E-mail: vetarif@gmail.com

Online published on 1 March, 2021.

Abstract

The study was conducted on 16 dogs, aged 5-18 months and weighing 9-28 kg, to evaluate the effect of long plate working length using locking plate as plate-rod construct for the repair of unstable diaphyseal femoral fractures. An intramedullary (IM) rod occupying 30-40% diameter of medullary cavity was placed first in a normograde manner, which restored the alignment of the bone fragments. Then a locking compression plate (LCP) was fixed according to the principles of bridge plating as a plate-rod construct with a plate screw ratio ranging 0.4-0.5 with two bicortical screws placed at each end as far as possible from the fracture line. Dynamization was also provided in six cases by removing the IM rod at 8-10 weeks post-fixation to promote callus formation. Out of 16 dogs, 15 dogs showed excellent lameness scores, radiographic healing and functional outcome at 14th week post-surgery, and in one case fixation failed leading to mal-union. Complete radiographic union occurred in all cases at a mean±SE time of 11.68±1.19 weeks. Use of LCP in plate-rod construct with intramedullary rod occupying 30-40% of medullary cavity was found effective to achieve bone healing of unstable diaphyseal femoral fractures in dogs.

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Keywords

Dogs, Elastic plate osteosynthesis, Long plate working length, Plate-rod construct.

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