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Pubmed for Handhelds

PUBMED FOR HANDHELDS

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  • Title: Effect of piriformis versus trochanteric starting point on fixation stability of short intramedullary reconstruction nails.
    Author: Su ET, DeWal H, Sanders R, Kummer FJ, Mujtaba M, Koval KJ.
    Journal: Bull Hosp Jt Dis; ; 60(2):67-71. PubMed ID: 12003356.
    Abstract:
    Recently, a new, shorter IM nail using two 6 mm reconstruction screws for proximal fixation was introduced in two versions for femoral insertion: piriformis fossa (FAN) and greater trochanter (TAN). These nails were compared experimentally for their fixation stability, proximal load transmission, and failure strength in an unstable intertrochanteric fracture model in cadaveric femurs. Vertical and axial loads were first applied to the intact femurs. Fractures were created, subsequent fixation applied, and the femurs underwent a series of both vertical and axial loading tests. There was no significant difference in strain readings between the nails for either axial loading or cyclical loading. There was no statistically significant difference between the loads to failure for the trochanteric nails and the standard antegrade nails. The average ultimate loadfor the FAN and TAN nails were 3010 N and 2830 N respectively. These two nails performed very similarly throughout our testing.
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