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- Title
Changes in posterior tibial slope angle in patients undergoing open-wedge high tibial osteotomy for varus gonarthrosis.
- Authors
Ozel, Omer; Yucel, Bulent; Mutlu, Serhat; Orman, Osman; Mutlu, Harun
- Abstract
<bold>Purpose: </bold>In this study, postoperative changes in the posterior tibial slope angle and clinical outcomes following open-wedge high tibial osteotomy were evaluated.<bold>Methods: </bold>This study included 39 knees (18 left, 21 right) of 35 patients (three male, 32 female; median age, 53 years; age range 37-64 years) with symptomatic isolated medial joint osteoarthritis who underwent open-wedge high tibial osteotomy and fixation with a Puddu plate. The patients were clinically assessed according to the Lysholm knee score, a visual analogue pain scale, and a patient satisfaction questionnaire. Radiological assessment was made according to the changes in the posterior tibial slope angle and the correlation between these changes and clinical signs. The median follow-up period was 11 years (range 7-14 years).<bold>Results: </bold>Significant improvements were observed in the preoperative and postoperative clinical scores of the Lysholm knee scale, visual analogue pain scale, and patient satisfaction questionnaire (p < 0.05). Radiological assessment showed that the posterior tibial slope angle was significantly higher during the postoperative and follow-up periods (p 0.05). There was no correlation between the postoperative Lysholm scores and the increase in the posterior tibial slope angle (p = n.s.).<bold>Conclusions: </bold>We conclude that both the conventional Puddu plate design and its anteromedial plate placement are what increase the tibial slope after an opening-wedge proximal tibial osteotomy. Therefore, current new plate design may help preserve the posterior tibial slope angle.<bold>Level Of Evidence: </bold>IV.
- Subjects
OSTEOTOMY; TIBIA surgery; OSTEOARTHRITIS; ORTHOPEDIC apparatus; VISUAL analog scale; PATIENT satisfaction; PATIENTS; KNEE surgery; BONE diseases; KNEE; KNEE diseases; ORTHOPEDIC implants; POSTOPERATIVE period; RADIOGRAPHY; TIBIA; PAIN measurement; TREATMENT effectiveness; RETROSPECTIVE studies; DISEASE complications
- Publication
Knee Surgery, Sports Traumatology, Arthroscopy, 2017, Vol 25, Issue 1, p314
- ISSN
0942-2056
- Publication type
journal article
- DOI
10.1007/s00167-015-3571-2