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This multicenter research project aims to correlate objective testing of muscle mass, muscle strength, neuromuscular activation, walking speed and other functional tests with everyday activity and subjective quality of life after total knee arthroplasty. For this purpose, 400 patients from 5 orthopedic departments in Germany and USA will be examined at the time points pre-op, six weeks, three, six and 12 months post-op.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Total Knee Arthroplasty | Patients receiving a total knee arthroplasty |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Return to Activity Battery | Other | The main target parameters are muscle mass (sonography), muscle strength (isometric maximum strength measurement), neuromuscular activation (surface EMG), functionality (e.g. 6MWT, chair rising test), knee swelling and subjective assessment of everyday and leisure activities, quality of life (e.g. SF-36) and return to work |
| Measure | Description | Time Frame |
|---|---|---|
| Muscle Mass | Sonographically Analysis of the M. quadriceps femoris | Pre-OP to 12 months Post-OP |
| Muscle Strength | Isometric maximal strength of the knee extensors | Pre-OP to 12 Months Post-OP |
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Inclusion Criteria:
Exclusion Criteria:
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Patients with end-stage gonarthrosis, who have received a total knee arthroplasty
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Technical University Munich | Munich | Bavaria | 80333 | Germany | ||
| University Hospital Bonn |
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| Bonn |
| North Rhine-Westphalia |
| 53127 |
| Germany |