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This is a multicenter, prospective, and case-control study. Five joint centers and 100 participants will be included. The study group used robotic-assisted modified kinematic alignment total knee replacement, and the control study used traditional alignment manual total knee replacement. The knee society score (KSS), Hip-knee-ankle(HKA) angle, mechanical lateral distal femoral angle(mLDFA), mechanical medial proximal tibial angle(mMPTA), sagittal femoral component angle(SFCA), range of motion(ROM), WOMAC score, SF-36, Visual Analogue Scale(VAS score), surgical time, blood loss, and complications are evaluated and compared.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| robotic-arm assisted modified kinematic alignment total knee replacement | Experimental | The patients in this group receive robotic-arm assisted total knee replacement. And these patients achieve modified kinematic alignment. |
|
| traditional manual total knee replacement | Active Comparator | The patients in this group receive traditional manual total knee replacement. And these patients achieve traditional alignment. |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| robotic assisted total knee replacement | Device | the study group used robotic-arm assisted total knee replacement. |
|
| Measure | Description | Time Frame |
|---|---|---|
| KSS score | Keen Society Score | 3 months |
| Measure | Description | Time Frame |
|---|---|---|
| HKA angle | hip-knee-ankle angle | 3 months |
| mLDFA | mechanical lateral distal femoral angle | 3 months |
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Inclusion Criteria:
Exclusion Criteria:
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| traditional total knee replacement | Device | the control group used traditional total knee replacement |
|
| mMPTA | mechanical medial proximal tibial angle | 3 months |
| SFCA | sagittal femoral component angle | 3 months |
| knee ROM | knee range of motion | 3 months |
| blood loss | the intraoperative blood loss | intraoperative |
| surgical duration | the duration of the operation | intraoperative |
| complication | complications after the surgery | 3 months |
| ID | Term |
|---|---|
| D020370 | Osteoarthritis, Knee |
| ID | Term |
|---|---|
| D010003 | Osteoarthritis |
| D001168 | Arthritis |
| D007592 | Joint Diseases |
| D009140 | Musculoskeletal Diseases |
| D012216 | Rheumatic Diseases |
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