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September 1, 1997Journal of Shoulder and Elbow SurgeryOpen Access

The influence of intramedullary fixation on figure-of-eight wiring for surgical neck fractures of the proximal humerus: A biomechanical comparison

Gerald R. Williams Lawson A. Copley Joseph P. Iannotti Steven P. Lisser

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Abstract

The resistance to torsional load was measured in a human cadaver model of a surgical neck fracture. Ten fresh-frozen human cadaver shoulders were thawed, dissected free of soft tissue attachments, and analyzed with dual energy x-ray absorptiometry to establish bone mineral density. Osteotomies were fixed with figure-of-eight wire alone and figure-of-eight wire supplemented with intramedullary Enders rods. Intramedullary Enders rods improved the mean maximum load by 1.5 times (p < 0.05). No statistically significant correlation was found between mean maximum load and bone mineral density.

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Williams et al. (1997) studied this question.

synapsesocial.com/papers/6aae4e38a23844e11476f734 https://doi.org/10.1016/s1058-2746(97)70048-x

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