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Online Journal of Veterinary Research©
Volume 22 (4):290-299, 2018.
Sheep rib xenograft femoral bone implant in rabbits.
Humam H Nazht1, Raffal A Omar2, Hatem K Ahmed3.
1,2 Surgery and Obstetrics, College of Veterinary Medicine, University of Baghdad, Iraq. 3Local Veterinary Practitioner.
Nazht HH, Omar RA, Ahmed HK., Sheep rib xenograft femoral bone implant in rabbits. Onl J Vet Res., (4):290-299, 2018. We describe a femur bone implant for rabbits using sheep preserved rib bone graft. A transverse diaphyseal femoral bone fracture to remove 1cm bone was performed aseptically under xylazine-ketamine hydrochloride anesthesia. The empty space was then filled with an implant of de-proteinized sterile sheep rib bone. Femoral fragments and implant were fixed with an intramedullary pin. The fracture was evaluated clinically daily and by radiology at the 1st, 2nd, 4th and 6th week after implant. Histopathology was performed at 6 weeks. Rabbits suffered loss in appetite, and had difficult gait at the 1st week but normalized by the 2nd to 6th week. Radiology showed periosteal reaction by the end of the 2nd week with increase in size density around the bony device by the end of the 4th week. A bone bridge formed to cover the implant and joined the femoral fragments by the end of the 6th week. Histopathology done at the end of the 6th week showed partial incorporation of implant with femoral bone, trabecular bone formation of both mature and immature woven bone and spaces filled with vascular connective tissue with active osteoblasts lining the surface of the trabecular bone formation.
Key words: Xeno bony implantation, Intramedullary pinning.