USE OF INTERLOCKING NAILS FOR REPAIR OF FEMORAL AND TIBIAL FRACTURES USING C - ARM IMAGE INTENSIFIER IN DOGS
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Date
2005
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AAU, Anand
Abstract
A clinical study on use of interlocking nail fixation for treatment of femoral and tibial shaft fracture with the use of C- arm image intensifier was conducted in 11 dogs. Eligibility criteria for inclusions of patients were preoperative evaluation of radiographs for evaluation of type and configuration of fracture. The effectiveness of the treatment modality was judged on the basis of time to initial weight bearing, by radiological evaluation of bridging callus (around the three sides of the bone) at an interval of 4 weeks, if possible, time required for bone healing, limb usage and complete range of motion of limb and by noting the complications, if any. The implant consisted of 6 mm and 7 mm interlocking nail, 3.5 mm screws, half jig that anchored the nail. Image intensifier was used for fracture reduction and stabilization. Out of the 11 cases treated for femoral and tibial shaft fracture, 7 cases showed excellent bone healing. Weight bearing was started as early as 2nd day postoperatively in 7 cases. Static locking was done in 5 cases, while, dynamic fixation was done in 6 cases. Dynamization was performed in 1 case, 8 weeks after surgery. Radiographic evaluation revealed fracture healing in 6 dogs, between 8-16 weeks after surgery. Limb usage and range of motion of fractured limb was excellent in most of the cases at the time of last follow up. Postoperative infections as well as major complications were not observed in any of the cases with closed interlocking nailing. Minor complications like mild swelling, loosening of screw in 1 case each, inward and upward deviation of limb in 3 cases were observed. However, these complications had no adverse effect on clinical outcome. Excellent results were obtained in 9 of 11 cases (One died due to reason unrelated to surgery). The present study was indicative of effectiveness of closed interlocking nail fixation with the use of C- arm image intensifier as a treatment modality for fracture fixation. Hence, it was concluded that closed intramedullary interlocking nails using C- arm image intensifier television (IITV) would be well suited to the stabilization of femoral and tibial shaft fractures in dogs.
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VETERINARY SURGERY, A STUDY