Addison, E. S., Emmerson, T. D., de la Puerta, B., Groth, A., Black, T., Smith, B. A., Burton, N. J., Toscano, M. J. and Wallace, A. M. (2015) Evaluation of osteotomy accuracy and rotational and angular alignment for cranial closing wedge ostectomy performed with and without alignment aids. Veterinary Surgery, 44(1), pp. 78-84. (doi: 10.1111/j.1532-950X.2014.12228.x) (PMID:24909882)
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Abstract
Objective: To (1) investigate the use of K-wires as alignment aids for cranial closing wedge ostectomy (CCWO) and (2) evaluate their effect on osteotomy accuracy and angular/rotational alignment. Study Design: Cadaveric study. Animals: Cadaveric pelvic limbs (n = 20). Methods: CCWO was performed with and without alignment aids on 20 cadaveric pelvic limbs. CT scans were performed pre- and post-operatively to evaluate tibial torsion and valgus/varus deformity. Digital photographs of the ostectomized bone wedges were used to assess divergence of the 2 osteotomies, and the area of the medial and lateral aspects measured to assess osteotomy angulation within the dorsal plane. Results: Osteotomy divergence angle, the difference between the area of the medial and lateral aspects of the ostectomized wedges, and the difference between the pre- and post-operative angles of valgus/varus deformity were all significantly smaller for the alignment aid group. The difference in pre- and post-operative tibial torsion was not significantly different between groups. Conclusions: K-wires can be used successfully as alignment aids during CCWO and help to create a significantly more orthogonal osteotomy. This allows a significant reduction in the difference between the preoperative and postoperative angles of valgus or varus, which may reduce the risk of developing a clinically important iatrogenically introduced valgus/varus deformity postoperatively.
Item Type: | Articles |
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Status: | Published |
Refereed: | Yes |
Glasgow Author(s) Enlighten ID: | Addison, Miss Elena |
Authors: | Addison, E. S., Emmerson, T. D., de la Puerta, B., Groth, A., Black, T., Smith, B. A., Burton, N. J., Toscano, M. J., and Wallace, A. M. |
College/School: | College of Medical Veterinary and Life Sciences > School of Biodiversity, One Health & Veterinary Medicine |
Journal Name: | Veterinary Surgery |
Publisher: | Wiley |
ISSN: | 0161-3499 |
ISSN (Online): | 1532-950X |
Published Online: | 07 June 2014 |
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