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Abstract
Suryawanshi, S.B., Maiti, S.K. and Singh, G.R. 2001. A comparative study of two different fixation techniques in the management of tibial metaphyseal fracture in dogs. J. Appl. Anim. Res., 20: 89–97.
In ten clinically healthy dogs, divided equally in two groups (A and B), unilateral metaphyseal transverse fracture was created, in the proximal tibia under general anaesthesia. The fracture was then immobilized with cross intramedullary pin fixation in group A and single pin fixation in group B, alongwith interfragmentary wiring. These two different fixation techniques were compared based on intra-operative, clinical, radiological, haemato-biochemical, histopathological and functional studies of the test stifle joints. Clinical observations and radiographs taken on different intervals revealed excellent fracture fixation and faster healing in group A. Extension and flexion angles of stifle joints improved steadily and, reached near normal by day 60 in group A, however, in group B, it remained significantly low till the end of observation period. Organic components of the callus at fracture site markedly increased in groups A than B. Histopathological examination revealed complete healing alongwith remodeling at the fracture site of animals of group A, whereas delayed/non-union was observed in animals of group B. It may be concluded that single pinning is not enough to immobilise the fracture site for proper healing.