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A new operation technique was established ("reversed gap technique" for implantation of total knee arthroplasties. Based on the encouraging results of a pilot study, the clinical outcome shall be evaluated using the conventional "gap technique" as control in a RCT study.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| TKA by reversed gap technique | Experimental | new operative technique of positioning the femoral and tibial component based on soft tissue tension and femoral 3D geometry. |
|
| TKA by gap technique | Active Comparator | standard operative technique serving as control. tibia component positioning according to the mechanical axis, femoral component positioning according to the mechanical axis and soft tissue tension in flexion |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| TKA | Procedure | femoral and tibial positioning using the "reversed gap technique" |
|
| Measure | Description | Time Frame |
|---|---|---|
| Forgotten Joint Score 12 | clinical score | one year after operation |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Georg Matziolis, MD | Contact | +49 36691 81010 | g.matziolis@krankenhaus-eisenberg.de |
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Two groups: "reversed gap technique" vs. "gap technique", randomized
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neither the participant nor the outcome assessor know the group. The surgeon of course knows.