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Measurement of the femoral neck angle in medium and large dog breeds using computed tomography

Al Aiyan, A., Richardson, K., Manchi, G., Plendl, J. and Brunnberg, L. (2019) Measurement of the femoral neck angle in medium and large dog breeds using computed tomography. Acta Veterinaria Hungarica, 67 (1). pp. 22-33.

Link to Published Version: https://doi.org/10.1556/004.2019.003
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Abstract

The aim of this study was to get precise normal values of the femoral neck angle (FNA) in support of developing an optimally functioning total hip prosthesis for medium and large dog breeds. Accordingly, two- and three-dimensional computed tomographic images of the anatomical structures of the proximal femora of 58, hip-dysplasia-free, mature dogs of medium and large breeds were studied. Based on the length of their femora the dogs were allocated to Group I (from 145 to 195 mm) and Group II (from 196 to 240 mm). The FNA was measured on each femur using multi-slice spiral computed tomography (CT). The two- and three-dimensional image data were processed as multi-planar and three-dimensional reconstructions using Advantage Workstation software. The CT measurements revealed that Group I had an average femoral neck angle of 147.59° (min. 144.05°, max. 153.35°), while in Group II the average FNA was 147.46° (min. 141°, max. 154.35°). There was no significant correlation between the length of the femur and the FNA in either group. The optimal FNA for a total hip prosthesis is 147.5° for medium and large dog breeds.

Item Type: Journal Article
Murdoch Affiliation: School of Veterinary and Life Sciences
Publisher: Akadémiai Kiadó
Copyright: © 2019 Akadémiai Kiadó
URI: http://researchrepository.murdoch.edu.au/id/eprint/45242
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