Knee arthroplasty until age 60 : role of sports and other injuries

BACKROUND: The primary aim of the study was to investigate how total knee arthroplasty (TKA) patients with underlying injuries differ in injury type and physical activity after the arthroplasty. METHODS: A questionnaire was sent to TKA patients, < 60 years at surgery, and knee injury as the cause of knee OA. The final study group consisted of 70 patients. RESULTS: Average age of patients at TKA was 51.8 years (Standard Deviation [SD] 5.2), and at follow-up 57.6 years (SD 6.5). Of the injuries, 26% were sports-related, 29% had occurred at work, 23% in traffic accidents, and 13% during leisure-time (no sports-related). Sports-related injuries had occurred at younger ages than others had (mean…