The number of total knee replacements (TKRs) performed continues to increase and is marked in patients under the age of 60. Increased number of younger patients raises concerns about potentially increased rates of implant failure or revision. Previous studies used small cohorts with only short to medium term follow-up. This study is the largest of its kind reporting long term outcomes and clinical survivorship of patients 50 years or less undergoing TKR. This is a retrospective cohort study using data from the Scottish Arthroplasty Project. A total of 3727 patients 50 years or less undergoing TKR between 2000 and 2019. Data was also collected for the same time period on patients aged 50–79 years undergoing TKR for comparison.Abstract
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