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The purpose of this study is to compare the effectiveness of inpatient and outpatient rehabilitation following total knee arthroplasty. No studies exist that have evaluated these two rehabilitation programmes in a specific orthopaedic patient population with a focus on motor performance. We hypothesized that patients participating in outpatient care tend to be physically more active than patients in the rehabilitation clinic, leading to the assumption that outpatient rehabilitation has superior functional outcomes compared to the inpatient standard-of-care therapy.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| inpatient rehabilitation | Active Comparator | After discharge, patients participate in daily physical therapy for 3 weeks in a rehabilitation hospital. |
|
| outpatient rehabilitation | Experimental | After discharge, patients participate in daily physical therapy for 3 weeks in an outpatient rehabilitation center. |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| inpatient rehabilitation | Other |
| ||
| outpatient rehabilitation |
| Measure | Description | Time Frame |
|---|---|---|
| physical activity (number of steps) | over a period of 7 days using activPAL activity recording system | during the first seven days of rehabilitation and 3 months post surgery (posttest) |
| Measure | Description | Time Frame |
|---|---|---|
| gait performance | spatio-temporal and temprophasic gait parameters | posttest (3 months after surgery) |
| maximal active and passive knee joint range of motion | digital long-arm goniometer |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Philipp Bergschmidt, MD | Department of Orthopedics, University Medicine Rostock | Study Chair |
| Wolfram Mittelmeier, MD | Department of Orthopedics, University Medicine Rostock | Study Director |
| Anett Mau-Moeller, M.A. | Department of Orthopedics, University Medicine Rostock | Principal Investigator |
| Stephan Tohtz, MD | Klinik für Orthopädie und Unfallchirurgie, HELIOS Klinikum Emil von Behring GmbH | Principal Investigator |
| Martin Behrens | Department of Kinesiology, University of Rostock | Principal Investigator |
| Tino Stöckel, PhD | Department of Kinesiology, University of Rostock | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Department of Orthopedics, University Medicine Rostock | Rostock | 18057 | Germany |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 42174717 | Derived | Mau-Moeller A, El-Aarid N, Behrens M, Stockel T, Bergschmidt P, Bader R, Tohtz S, Mittelmeier W, Jacksteit R. Effectiveness of inpatient versus outpatient rehabilitation following total knee arthroplasty on clinical and functional outcomes in Germany: a non-randomized clinical trial. BMC Sports Sci Med Rehabil. 2026 May 23;18(1):248. doi: 10.1186/s13102-026-01735-4. |
| Label | URL |
|---|---|
| Stiftung Oskar Helene Heim | View source |
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| Other |
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| change from baseline (9 days after surgery) to posttest (3 months after surgery) |
| stair climbing performance | stair climbing test | change from baseline (9 days after surgery) to posttest (3 months after surgery) |
| timed up and go performance | timed up and go test | change from baseline (9 days after surgery) to posttest (3 months after surgery) |
| joint position sense | The subjects' ability to actively reproduce a previously presented knee flexion angle (30° and 50° of knee Flexion) | change from baseline (9 days after surgery) to posttest (3 months after surgery) |
| knee pain | visual analogue scale | change from baseline (9 days after surgery) to posttest (3 months after surgery) |
| knee joint swelling | measurement of circumference | change from baseline (9 days after surgery) to posttest (3 months after surgery) |
| long-term Memory representation of the gait | structural dimensional analysis of mental representation (SDA-M) | change from baseline (9 days after surgery) to posttest (3 months after surgery) |