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J Bone Joint Surg Br. 2002 Nov;84(8):1126-30.

Lateral unicompartmental knee replacement survivorship and clinical experience over 21 years.

Author information

1
Bristol Knee Group, Winford Unit, Avon Orthopaedic Centre, Southmead Hospital, Bristol, England, UK.

Abstract

We describe 88 knees (79 patients) with lateral unicompartmental osteoarthritis which had been treated by the St Georg Sled prosthesis. At a mean follow-up of nine years (2 to 21) 15 knees had revision surgery, nine for progression of arthritis, six for loosening, four for breakage of a component and four for more than one reason. Six patients complained of moderate or severe pain at the final follow-up. Only five knees were lost to follow-up in the 21-year period. We performed survivorship analysis on the group using revision for any cause as the endpoint. At ten years the cumulative survival rate was 83%, and at 15 years, when ten knees were still at risk, it was 74%. Based on our clinical results and survival rate the St Georg Sled may be considered to be a suitable unicompartmental replacement for isolated lateral compartment osteoarthritis.

PMID:
12463656
[Indexed for MEDLINE]

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