Total knee arthroplasty is a well-known treatment of the end-stage osteoarthritis of the knee. In the case of bilateral end-stage knee osteoarthritis, both of the knees need total knee arthroplasty. Bilateral total knee arthroplasty could be performed simultaneously or staged according to the preference of the patients. Simultaneous total knee arthroplasty is defined as the replacement of both knees in a single surgery. The major advantage of simultaneous total knee arthroplasty this surgery is that it requires only one hospital stay and a rehabilitation period to recover both knees, but higher blood transfusion rates and thromboembolism risk are still major concerns. Therefore, in this comparative study, smart-phone based gait analysis and patient-reported functional outcomes are evaluated in patients undergoing simultaneous and staged total knee arthroplasty, at 3, 6, and 12 months postoperatively
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smart-phone based gait analysis
Timeframe: Change from preoperative gait analysis at 3rd month gait analysis
smart-phone based gait analysis
Timeframe: Change from 3rd month gait analysis at 6th month gait analysis
smart-phone based gait analysis
Timeframe: Change from 6th month gait analysis at 12th month gait analysis