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- Title
Assessment of radial torsion using computed tomography in dogs with and without antebrachial limb deformity.
- Authors
Kroner, Kevin; Cooley, Katie; Hoey, Seamus; Hetzel, Scott J.; Bleedorn, Jason A.
- Abstract
Objective To evaluate the reliability of radial torsion assessment in dogs using computed tomography (CT). Study Design Cadaveric and retrospective observational clinical study. Animals Thoracic limbs ( n = 40) from bilateral normal cadaveric canine specimens (10 pairs) and unilateral antebrachial angular limb deformity (ALD) dogs (10 uniapical and 10 biapical deformities). Methods Limbs were evaluated using CT. Frontal, sagittal, and axial plane (torsion) values were obtained using published guidelines and compared between groups and limbs. Radial torsion reliability was assessed among 3 observers using intraclass correlation coefficients (ICC). Results The mean (±SD) radial torsion of normal dogs was 3.6° ± 6.4° and contained a significant right to left limb variation of 2.6°. Mean radial torsion in uniapical ALD limbs (3.6° ± 18.7°) was not significantly different from biapical ALD limbs (8.9° ± 17.9°). There was a wide range of torsion values in normal and ALD limbs. The interobserver reliability was excellent (ICC > 0.8) for normal dogs, good (0.73) for uniapical, and excellent (0.89) for biapical ALD limbs. The intraobserver reliability was excellent (>0.8) for all groups. Conclusion There was a small side-to-side variation of radial torsion in normal dogs. With directed training, torsion assessment using CT is reliable in dogs with and without antebrachial bone deformity.
- Publication
Veterinary Surgery, 2017, Vol 46, Issue 1, p24
- ISSN
0161-3499
- Publication type
Article
- DOI
10.1111/vsu.12589