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20161
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Subject: Veterinary Surgery and Radiology × Author: Harish Kumar × End date: 2019 × Start date: 2015 × Type: Thesis ×
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    ThesisItemOpen Access
    COMPARATIVE EVALUATION OF DIFFERENT TECHNIQUES FOR FIXATION OF FEMORAL FRACTURES IN DOGS
    (CSKHPKV, Palampur, 2016-07-25) Harish Kumar; Tyagi, S. P.
    The current study was conducted on the clinical cases of different animal species presented to the surgical OPD of Teaching Veterinary Clinical Complex of the DGCN College of Veterinary and Animal Sciences, CSKHP Agricultural University, Palampur, India from February, 2015 to April, 2016 for epidemiological study of fractures in animals and from February, 2015 to June, 2016 for comparison of different techniques for fixation of femoral fractures in dogs. In the beginning, a relatively newer technique of intramedullary interlocking nailing (IILN) was first standardized in cadaver femoral bones of dogs to gain a first-hand experience followed by standardization in 3 suitable clinical cases using fluoroscopy. Later three different techniques of intramedullary fixation of femoral fractures in dogs namely IILN, end-threaded self-tapping pinning (ETP) and Steinmann pinning (SP) were comparatively evaluated in 18 clinical cases. It was concluded that the incidence of fractures in animals is 12.92 percent with highest incidence in equine, followed by canine and bovine; automobile accidents and fall/jump from height are the main known causes of fractures; juvenile age-group in dogs and adult in cases of bovine and equine are more frequently affected groups; the most frequently fractured bone is femur in dogs, tibia in bovine and metacarpal in equine and the most common types of femoral fractures in dogs are ‘closed’ and are mainly short oblique, spiral or comminuted in nature. Use of one proximal and one distal trans-cortical screw locks the intramedullary nail in a static position in femur of dogs but at least two screws on either side are essential to provide adequate resistance against disruptive biomechanical forces. IILN using aiming device was more accurate and also eliminated the risk of radiation exposure in fluoroscopy-guided procedure. The status of fracture fixation was by far superior in IILN group in comparison to ETP and SP groups when used on suitable subjects.