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Clinical Orthopaedics and Related Research®

, Volume 468, Issue 2, pp 433–440 | Cite as

Survivorship of a Low-stiffness Extensively Porous-coated Femoral Stem at 10 Years

  • Mark A. Hartzband
  • Andrew H. Glassman
  • Victor M. Goldberg
  • Louis R. Jordan
  • Roy D. Crowninshield
  • Kevin B. Fricka
  • Louis C. Jordan
Symposium: Papers Presented at the Hip Society Meetings 2009

Abstract

A novel low-stiffness extensively porous-coated total hip femoral component was designed to achieve stable skeletal fixation, structural durability, and reduced periprosthetic femoral stress shielding. In short- to intermediate-term clinical review, this implant achieved secure biologic fixation and preserved periprosthetic bone. We retrospectively reviewed all 102 prospectively followed patients (106 implants) with this implant to document the longer-term implant survivorship, clinical function, fixation quality, and periprosthetic bone preservation. Ninety-seven patients with 101 implants had current followup or were followed to patient death (range, 1–14 years; average, 10 years). Eighty-six living patients were followed for an average implant survivorship of 10 years. There were no known femoral implant removals. The average Harris hip score at 10-year followup was 98. Radiographs demonstrated secure implant fixation and maintenance of periprosthetic bone. These data suggest this implant design provided long-term function characterized by extensive fixation, structural durability, and radiographic appearance of maintained periprosthetic cortical thickness and density.

Level of Evidence: Level I, therapeutic study. See Guidelines for Authors for a complete description of levels of evidence.

Keywords

Slip Capital Femoral Epiphysis Periprosthetic Bone Structural Durability Distal Stem Investigational Device Exemption 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Notes

Acknowledgments

We thank Kimberly J. Rowe and Daniel Reyner, PhD, for their assistance in this study.

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Copyright information

© The Association of Bone and Joint Surgeons® 2009

Authors and Affiliations

  • Mark A. Hartzband
    • 1
  • Andrew H. Glassman
    • 2
  • Victor M. Goldberg
    • 3
  • Louis R. Jordan
    • 4
  • Roy D. Crowninshield
    • 5
  • Kevin B. Fricka
    • 6
  • Louis C. Jordan
    • 4
  1. 1.Hartzband Center for Hip and Knee ReplacementParamusUSA
  2. 2.Orthopaedic Surgery DepartmentThe Ohio State UniversityColumbusUSA
  3. 3.Orthopaedic Surgery DepartmentCase Western UniversityClevelandUSA
  4. 4.Jordan-Young InstituteVirginia BeachUSA
  5. 5.40 Windcliff DriveAshevilleUSA
  6. 6.Anderson Orthopaedic ClinicAlexandraUSA

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