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General Orthopaedics

PATIENT ACTIVITY FOLLOWING ARTHROPLASTY: WILL THE ABOVE ENDURE?

The Current Concepts in Joint Replacement (CCJR) Winter Meeting, 14 – 17 December 2016.



Abstract

Both the patient and the surgeon want hip and knee arthroplasties to last a lifetime. As a result, many patients have been told to defer arthroplasty as long as possible. After arthroplasty, many patients have been advised to limit physical activity. Such management strategies prioritise longevity but compromise lifestyle. Given that the technical aspects of the arthroplasty are satisfactory, modern total hip and knee prostheses have demonstrated remarkable durability. Quantitative studies of patient activity have measured up to 48 million cycles in-vivo, with impact, without evidence of loosening, osteolysis, or other impending failure. These data suggest that with current technology, an active lifestyle is compatible with implant longevity.