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L G Dee
Publications and source records attributed to L G Dee.
Central tarsal bone fractures in the racing Greyhound: a review of 114 cases.
A total of 114 central tarsal bone (Tc) fractures, including associated secondary fractures, were identified in 114 racing Greyhounds. The fractures were classified according to a previously described scheme. The type IV Tc fracture, dorsal and medial slab fractures, was most common. A Tc fracture alone, or a Tc fracture with associated fractures of the 4th tarsal bone (T4), calcaneus, or T4 and lateral base of the 5th metatarsal bone were the most commonly observed. The prevalence of secondary fractures increased with the severity of the Tc fracture. Management of Tc fractures involved 3 methods: coaptation, single-screw fixation, and 2-screw fixation. Additional repair was performed as indicated by the presence of concurrent secondary fractures. A total of 71% of the dogs returned to competitive racing.
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Treatment of central tarsal bone fractures in the racing Greyhound.
Methods of repair of central tarsal bone (Tc) fractures in the racing greyhound can involve coaptation, single-screw fixation, or 2-screw fixation. Successful management, defined as a return to competitive racing, was obtained in 71% of 114 affected dogs treated by these methods. Both 1- and 2-screw fixation, with interfragmentary compression, was used to repair Tc fractures in 81 dogs. It was concluded that satisfactory results can be expected by use of open reduction and screw fixation in all types of Tc fractures except those that are severely comminuted.
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Fractures of the calcaneus in racing greyhounds.
Fifty-one calcaneus fractures associated with (41) or without (10) central tarsal bone (Tc) fractures in racing greyhounds were evaluated and categorized. All calcaneal fractures with no Tc fractures had a plantar proximal intertarsal subluxation. No subluxations were found in dogs with both calcaneal and central tarsal fractures. The calcaneal fractures were treated either with coaptation splints or surgical repair. Surgical techniques included a Steinmann pin with a figure eight tension band device or screw or plate fixation as primary techniques supplemented by Kirschner wires and cerclage wires. In all calcaneal fractures associated with plantar proximal intertarsal subluxation, an arthrodesis of the calcaneoquartal joint was performed. All 22 surgically repaired fractures in dogs available for physical and radiographic reexamination had healed within 1 to 6 months. Eight dogs with fractures of the calcaneus associated with fractures of Tc returned to a racing career. None of the dogs with plantar proximal intertarsal subluxation raced again. Based on the orientation of the fracture lines and on dissection of two tarsi with calcaneal fractures, a hypothesis on the pathogenesis of calcaneal fractures in racing greyhounds was formulated.
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