Tibial Fixation Without Screws in Cementless Knee Arthroplasty

Ian P. Holloway; Patrick J. Lusty; William L. Walter; William K. Walter; Bernie A. Zicat

doi:10.1016/j.arth.2008.09.023

Tibial Fixation Without Screws in Cementless Knee Arthroplasty

Ian P. Holloway^*, Patrick J. Lusty, William L. Walter, William K. Walter, Bernie A. Zicat

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

9 Citations (Scopus)

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. Crown

Original language	English
Pages (from-to)	46-51
Number of pages	6
Journal	Journal of Arthroplasty
Volume	25
Issue number	1
DOIs	https://doi.org/10.1016/j.arth.2008.09.023
Publication status	Published - Jan 2010
Externally published	Yes

Keywords

cementless fixation
hydroxyapatite
knee arthroplasty
tibial fixation

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10.1016/j.arth.2008.09.023

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title = "Tibial Fixation Without Screws in Cementless Knee Arthroplasty",

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. Crown",

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AU - Holloway, Ian P.

AU - Lusty, Patrick J.

AU - Walter, William L.

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AU - Zicat, Bernie A.

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AB - 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. Crown

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KW - hydroxyapatite

KW - knee arthroplasty

KW - tibial fixation

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