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Mid-Term Clinical Outcome and Reconstruction of Posterior Tibial Slope after UKA
| Content Provider | Scilit |
|---|---|
| Author | Franz, Alois Boese, Christoph Kolja Matthies, Andrej Leffler, Jörg Ries, Christian |
| Copyright Year | 2018 |
| Description | Unicompartmental knee arthroplasty (UKA) has gained growing popularity over the last decades. The posterior tibial slope (PTS) has been shown to play a significant role for knee biomechanics and is thought to be crucial for clinical function of the UKA. We evaluated the clinical outcome at mid-term follow-up after UKA. Furthermore, the reconstruction of the individual PTS was analyzed. A total of 91 consecutive patients undergoing medial UKA for osteoarthritis were included. Patients were contacted by telephone for a survival analysis at a minimum of 30 months after surgery. Patient-oriented questionnaires and Knee Osteoarthritis Outcome Score (KOOS) were obtained. A retrospective chart review and radiological analysis of component alignment were performed for all patients before and at 6 weeks after surgery. Of 91 patients (93 knees) undergoing UKA, 69 patients (70 knees) were available for clinical follow-up after a mean of 56.0 (range 31–81) months post-surgery. The clinical results of the examined patients in the present study showed mean subscale scores of the KOOS and Western Ontario and McMaster Universities Osteoarthritis Index between 71 and 91%. Overall 7 of 91 patients were revised during the course of follow-up period and underwent total knee arthroplasty. A Kaplan–Meier analysis showed a survival rate for UKA of 90.5% after 48 months. Calculated implant survival was 75.9 months (95% confidence interval 72.3–79.6) at the mean. The radiographic analysis of pre- and postoperative PTS showed no differences (p = 0.113).UKA for osteoarthritis of the medial knee compartment shows encouraging clinical results at mid-term follow-up. The individual PTS could be reconstructed within acceptable ranges. This is a retrospective therapeutic study with Level IV. |
| Related Links | http://www.thieme-connect.de/products/ejournals/pdf/10.1055/s-0038-1651528.pdf |
| Ending Page | 474 |
| Page Count | 7 |
| Starting Page | 468 |
| ISSN | 15388506 |
| e-ISSN | 19382480 |
| DOI | 10.1055/s-0038-1651528 |
| Journal | The Journal of Knee Surgery |
| Issue Number | 05 |
| Volume Number | 32 |
| Language | English |
| Publisher | Georg Thieme Verlag KG |
| Publisher Date | 2018-05-03 |
| Access Restriction | Open |
| Subject Keyword | Journal: The Journal of Knee Surgery Unicompartmental Knee Arthroplasty Posterior Tibial Slope |
| Content Type | Text |
| Resource Type | Article |
| Subject | Orthopedics and Sports Medicine Surgery |
