Revisions for aseptic loosening in Souter-Strathclyde elbow arthroplasty

Ikävalko, Mikko; Belt, Eero A.; Kautiainen, Hannu; Lehto, Matti

doi:10.1080/000164702320155211

Cited by 26 publications

(2 citation statements)

References 15 publications

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“…The preference for using long-stem components in the recent literature could not be supported by this biomechanical study [1, 2]. Differences between long-stem and standard components did not show differences with respect to torsional stiffness or torque to failure of the bone.…”

Section: Discussionmentioning

confidence: 56%

Minor influence of humeral component size on torsional stiffness of the Souter-Strathclyde total elbow prosthesis

Lugt

Suárez

Steenhoven

et al. 2009

International Orthopaedics (SICOT)

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The use of Souter-Strathclyde total elbow prostheses is a well-studied replacement therapy for reconstruction of the elbow, but loosening of the humeral component is still of concern at long-term follow-up. In this study we looked at the effect of humeral component size and bone mineral density with respect to the bone size, torsional stiffness and torque to failure in cadaveric bones. Fourteen cadaveric humeri were available for testing purposes and four different humeral component size categories were used. First, we calculated the bone quality using dual-energy X-ray absorptiometry (DEXA). The torsional stiffness of the prosthetic humeri was measured during two mechanical tests: Firstly, the applied torque was recorded during a torsion fatigue test. The change of torsional stiffness between the tenth and last cycle was calculated. Secondly, a simple torsion test was performed and the torque to failure was recorded. No significant differences in outcome were seen between sizes of humeral components, even after correction for the bone size. Torsional stiffness and torque to failure were significantly correlated with bone mineral density and not with component size. In conclusion, bone quality seems to be a major eminent factor in the fixation of the humeral component in elbow replacement surgery.

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Section: Discussionmentioning

confidence: 56%

Minor influence of humeral component size on torsional stiffness of the Souter-Strathclyde total elbow prosthesis

Lugt

Suárez

Steenhoven

et al. 2009

International Orthopaedics (SICOT)

View full text Add to dashboard Cite

show abstract

“…The learning curve also plays an important role in the survival of the elbow prosthesis. 32 To avoid intraoperative fractures, the new IBP implant (Biomet Ltd) has been developed. The distal humeral component is placed around the distal humerus, without the necessity of a central box in the humerus.…”

Section: Discussionmentioning

confidence: 99%