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Orthopaedic Proceedings
Vol. 86-B, Issue SUPP_III | Pages 247 - 247
1 Mar 2004
Pospula W Noor TAA Roshdy T Rowaih AA
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Aims: The study was undertaken in order to define anatomical parameters of the humerus from the point of view of selection of fracture fixation method most suitable in the local population. Methods: Contra-lateral humerus to the injured was examined using standarized method. Longitudinal and transverse parameters of bone were measured. All measurements were done using ruler and sliding caliper. Bone density was also measured.Statistical significance was calculated by parametric and non- parametric test using SPSS package. Results: Diameter of medullary cavity in the studied group differed significantly. Among Non-Arab Asiats it was narrower than in Arabs. The average diameter of the medullary cavity in its narrowest site in Arabs amounted 9.1 mm, whereas the same diameter in Non-Arab Asiats equaled 7.2 mm and below 6 mm in 25% of patients. Conclusion: Variations of medullary cavity diameter in different ethnic groups may influence selection of fixation device in fractures of the humerus