The biomechanical analysis of three plating fixation systems for periprosthetic femoral fracture near the tip of a total hip arthroplasty.

Journal of Orthopaedic Surgery and Research
James P LeverEmil H Schemitsch

Abstract

A variety of techniques are available for fixation of femoral shaft fractures following total hip arthroplasty. The optimal surgical repair method still remains a point of controversy in the literature. However, few studies have quantified the performance of such repair constructs. This study biomechanically examined 3 different screw-plate and cable-plate systems for fixation of periprosthetic femoral fractures near the tip of a total hip arthroplasty. Twelve pairs of human cadaveric femurs were utilized. Each left femur was prepared for the cemented insertion of the femoral component of a total hip implant. Femoral fractures were created in the femurs and subsequently repaired with Construct A (Zimmer Cable Ready System), Construct B (AO Cable-Plate System), or Construct C (Dall-Miles Cable Grip System). Right femora served as matched intact controls. Axial, torsional, and four-point bending tests were performed to obtain stiffness values. All repair systems showed 3.08 to 5.33 times greater axial stiffness over intact control specimens. Four-point normalized bending (0.69 to 0.85) and normalized torsional (0.55 to 0.69) stiffnesses were lower than intact controls for most comparisons. Screw-plates provided either greater or ...Continue Reading

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Citations

Jun 27, 2013·Operative Orthopädie und Traumatologie·C KammerlanderM Blauth
Dec 29, 2010·Journal of Biomechanical Engineering·Rad ZderoEmil H Schemitsch
Sep 4, 2012·Journal of Biomechanical Engineering·Rad ZderoHabiba Bougherara
Feb 1, 2013·Journal of Biomechanical Engineering·Troy MacAveliaRad Zdero
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Jun 25, 2017·Medical Engineering & Physics·Vitor M M LopesM F Paulino
Mar 7, 2014·Journal of Biomechanical Engineering·Mina S R AzizRadovan Zdero
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Aug 9, 2020·Computer Methods and Programs in Biomedicine·Raja DhasonShubhabrata Datta

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Methods Mentioned

BETA
total hip arthroplasty
Total
total hip implant

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