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The purpose of this study is to determine if there are any clinical or ROM differences in total knee arthroplasty with standard NexGen LPS prosthesis and NexGen LPS-Flex prosthesis.
We therefore hypothesized: (1) the survival of the NexGen LPS-Flex prosthesis is better than standard NexGen LPS prosthesis; (2) knee function and range of motion after clinical assessment will be better in the NexGen LPS-Flex group; and (3) the incidence of osteolysis will be lower in the NexGen LPS-Flex prosthesis than standard NexGTne LPS prosthesis.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| legacy posterior stabilized high-flexion | Experimental | NexGen LPS-Flex total knee system |
|
| legacy posterior stabilized standard | Experimental | standard NexGen LPS prosthesis |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| legacy posterior stabilized high-flexion (NexGen LPS-Flex) | Device | NexGen legacy posterior stabilized high-flexion (NexGen LPS-Flex) total knee system |
|
| Measure | Description | Time Frame |
|---|---|---|
| Improvement in Knee Society Knee Score | change in knee score will be compared with initial score, until mean follow up of 10.3 year | 10 years |
| Measure | Description | Time Frame |
|---|---|---|
| Improvement in the range of motion | change in the range of motion of knee joint will be compared with the initial value, until mean follow up of 10.3 years | 10 years |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Young-Hoo Kim, MD | Ewha Womans University School of Medicine | Study Director |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Ewha Womans University Mokdong Hosptial | Seoul | 158-710 | South Korea |
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|
| legacy posterior stabilized standard (NexGen LPS) | Device | NexGen legacy posterior stabilized standard (NexGen LPS) total knee system |
|
|
| ID | Term |
|---|---|
| D010003 | Osteoarthritis |
| ID | Term |
|---|---|
| D001168 | Arthritis |
| D007592 | Joint Diseases |
| D009140 | Musculoskeletal Diseases |
| D012216 | Rheumatic Diseases |
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