Common Contracts
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Licence agreement concerning inclusion of doctoralMay 3rd, 2024
Total knee arthroplasties (TKAs) have excellent short- and long-term results considering its low revision rates which are 4 - 6% at ten years and 8-10% at 20 years, and patient reported outcome measures (PROMs) are good to excellent in the majority of patients.1-11 Even though TKA designs have achieved these excellent results for the last 3 decades, the results are less favourable in a subgroup of patients. For that matter in patients younger than 60 years the lifetime risk for a revision is 30% and up to 15-20% of these relative young patients are not satisfied with their overall outcome.5-11 For these reasons, novel TKA designs are introduced on a regular basis. However, clinical evidence supporting superiority of these novel designs is frequently lacking.12 Concerns on implants being introduced onto the market without sufficient clinical evidence have increased, particularly after some medical devices created disasters to patients, like the metal-on-metal hip prostheses in orthopaed
