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[Satisfaction after total knee arthroplasty. Comparison of 1990-1999 with 2000-2012]
1Orthopädisch-Unfallchirurgisches Zentrum, Universitätsmedizin Mannheim, Theodor-Kutzer-Ufer 1-3, 68167, Mannheim, Deutschland, astrid.schulze@umm.de.
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Total knee arthroplasty (TKA) is one of the most common operations in orthopedic surgery worldwide but despite being mainly successful only 81 % of patients are satisfied with the final result. The following systematic review compared patient satisfaction and analyzed the causal connections and influencing factors after TKA between 1990-1999 and 2000-2012. From 1990 to 1999 a total of 81.2 % of patients were satisfied after TKA and in the period 2000-2012 patient satisfaction increased to 85 %. Influencing factors on postoperative satisfaction derived from the 25 publications included in the study were consistently body-mass index, patient expectations, pain, joint function and mental factors. A lack of satisfaction scores and different designs resulted in difficulties in comparing the studies and were subsequently limitations of this study.