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Worden NJ, Ash KJ, Ordway NR, et al. Effect of Stem Positioning on Biomechanical Performance of a Novel Cementless Short-Stem Canine Total Hip Implant. Vet Comp Orthop Traumatol. 2021;doi: 10.1055/s-0041-1735290.
Worden, N. J., Ash, K. J., Ordway, N. R., Miller, M., Mann, K. A., VanDeventer, G. M., Valenzano, D. M., Kayano, M., Tomihari, M., & Hayashi, K. (2021). Effect of Stem Positioning on Biomechanical Performance of a Novel Cementless Short-Stem Canine Total Hip Implant. Veterinary and comparative orthopaedics and traumatology : V.C.O.T, . https://doi.org/10.1055/s-0041-1735290
Worden, Natalie Jean, et al. "Effect of Stem Positioning on Biomechanical Performance of a Novel Cementless Short-Stem Canine Total Hip Implant." Veterinary and comparative orthopaedics and traumatology : V.C.O.T vol. (2021). doi: https://doi.org/10.1055/s-0041-1735290
Worden NJ, Ash KJ, Ordway NR, Miller M, Mann KA, VanDeventer GM, Valenzano DM, Kayano M, Tomihari M, Hayashi K. Effect of Stem Positioning on Biomechanical Performance of a Novel Cementless Short-Stem Canine Total Hip Implant. Vet Comp Orthop Traumatol. 2021 Sep 21; doi: 10.1055/s-0041-1735290. Epub 2021 Sep 21. PMID: 34547789.
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Vet Comp Orthop Traumatol. 2021 Sep 21; doi: 10.1055/s-0041-1735290. Epub 2021 Sep 21.

Effect of Stem Positioning on Biomechanical Performance of a Novel Cementless Short-Stem Canine Total Hip Implant.

Veterinary and comparative orthopaedics and traumatology : V.C.O.T

Natalie Jean Worden, Kristian J Ash, Nathaniel R Ordway, Mark Miller, Kenneth A Mann, Gretchen M VanDeventer, Dominick M Valenzano, Mitsunori Kayano, Mizuki Tomihari, Kei Hayashi

Affiliations

  1. Department of Clinical Sciences, College of Veterinary Medicine, Cornell University, Ithaca, New York, United States.
  2. Department of Orthopedic Surgery, SUNY Upstate Medical University, Syracuse, New York, United States.
  3. Research Center for Global Agromedicine, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, Hokkaido, Japan.

PMID: 34547789 DOI: 10.1055/s-0041-1735290

Abstract

OBJECTIVE:  The aim of this study was to evaluate the effect of stem positioning on the biomechanical performance of a novel, collared, short-stem total hip implant under compression and torsion

STUDY DESIGN:  Six canine cadaveric femurs were implanted with a collared short-stem femoral implant. Canal flare index (CFI), stem angle, absolute and relative cut heights and relative size were measured radiographically and used as independent variables. Biomechanical performance of the construct was evaluated using physiologic loading (loading) and supraphysiologic loading (failure) protocols.

RESULTS:  During loading protocols, compressive stiffness was influenced by absolute cut height (

CONCLUSION:  The biomechanical performance of the collared short-stem implant was positively impacted by preserving more of the femoral neck, having a higher CFI and using a smaller implant size relative to the femoral neck isthmus.

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Conflict of interest statement

None declared.

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