Ten-year survival of cemented total knee replacement in patients aged less than 55 years

A C M Keenan, A M Wood, C A Arthur, P J Jenkins, I J Brenkel, P J Walmsley

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30 Citations (Scopus)

Abstract

We report the ten-year survival of a cemented total knee replacement (TKR) in patients aged < 55 years at the time of surgery, and compare the functional outcome with that of patients aged > 55 years. The data were collected prospectively and analysed using Kaplan-Meier survival statistics, with revision for any reason, or death, as the endpoint. A total of 203 patients aged < 55 years were identified. Four had moved out of the area and were excluded, leaving a total of 221 TKRs in 199 patients for analysis (101 men and 98 women, mean age 50.6 years (28 to 55)); 171 patients had osteoarthritis and 28 had inflammatory arthritis. Four patients required revision and four died. The ten-year survival using revision as the endpoint was 98.2% (95% confidence interval 94.6 to 99.4). Based on the Oxford knee scores at five and ten years, the rate of dissatisfaction was 18% and 21%, respectively. This was no worse in the patients aged < 55 years than in patients aged > 55 years. These results demonstrate that the cemented PFC Sigma knee has an excellent survival rate in patients aged < 55 ten years post-operatively, with clinical outcomes similar to those of an older group. We conclude that TKR should not be withheld from patients on the basis of age.

Original languageEnglish
Pages (from-to)928-31
Number of pages4
JournalJournal of Bone and Joint Surgery
Volume94
Issue number7
DOIs
Publication statusPublished - Jul 2012

Keywords

  • Adult
  • Age Factors
  • Aged
  • Aged, 80 and over
  • Arthroplasty, Replacement, Knee
  • Cementation
  • Female
  • Humans
  • Kaplan-Meier Estimate
  • Knee Prosthesis
  • Male
  • Middle Aged
  • Pain Measurement
  • Pain, Postoperative
  • Patient Satisfaction
  • Prosthesis Design
  • Prosthesis Failure
  • Reoperation
  • Severity of Illness Index
  • Treatment Outcome

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