The Journal of Arthroplasty
Volume 25, Issue 1 , Pages 46-51, January 2010

Tibial Fixation Without Screws in Cementless Knee Arthroplasty

  • Ian P. Holloway, MBBS, FRCS (Orth)

      Affiliations

    • Sydney Hip & Knee Surgeons, Sydney, Australia
    • Australian Institute of Musculoskeletal Research, Sydney, Australia
    • Corresponding Author InformationReprint requests: Ian P. Holloway, MBBS, FRCS (Orth), Department of Orthopaedics, Northwick Park Hospital, Watford Road, Harrow, Middlesex, HA1 3UJ, NJ.
    • ,
  • Patrick J. Lusty, MBBS, FRCS (Orth)

      Affiliations

    • Sydney Hip & Knee Surgeons, Sydney, Australia
    • Australian Institute of Musculoskeletal Research, Sydney, Australia
    • ,
  • William L. Walter, MBBS, PhD, FRACS, FAOrthA

      Affiliations

    • Sydney Hip & Knee Surgeons, Sydney, Australia
    • ,
  • William K. Walter, MBBS, FRACS, FAOrthA

      Affiliations

    • Sydney Hip & Knee Surgeons, Sydney, Australia
    • ,
  • Bernie A. Zicat, MD, PhD, FRACS, FAOrthA

      Affiliations

    • Sydney Hip & Knee Surgeons, Sydney, Australia

Received 1 May 2007; accepted 9 September 2008. published online 05 December 2008.

Abstract 

This study reexamines the clinical and radiologic results of the first 216 cases of a cementless fixed-bearing tibial tray without screw holes in 191 patients at 7.6-year follow-up (range, 5-10 years). Mean Hospital for Special Surgery scores improved from 54/100 preoperatively to 84/100 postoperatively. Four tibial baseplates were revised. Five polyethylene inserts were revised. The overall reoperation rate was 12%. Four percent of tibial baseplates had incomplete nonprogressive radiolucent lines involving 1 or 2 of 10 defined zones. Overall tibial osteolysis rate was 4.1%. All tibial components were stable by radiographic technique. We conclude that this tibial tray provides reliable stability without the use of screws at medium-term follow-up. The polyethylene failure rate is a concern.

Keywords: knee arthroplasty, tibial fixation, cementless fixation, hydroxyapatite

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 No benefits or funds were received in support of the study.

 Original Publication: Cooke, C, Walter, WK, Zicat, B. Tibial fixation without screws in cementless total knee arthroplasty. J Arthroplasty 2006:21:237-41.

PII: S0883-5403(08)00784-5

doi:10.1016/j.arth.2008.09.023

The Journal of Arthroplasty
Volume 25, Issue 1 , Pages 46-51, January 2010

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