Title
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Clinical and radiological outcomes of medial opening-wedge monoplanar and biplanar high tibial osteotomy using a triangular allograft impaction technique : A retrospective single centre study
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Author
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Abstract
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Purpose: The aim of the study was to research the clinical and radiological outcomes between monoplanar and biplanar medial opening-wedge high tibial osteotomy. We hypothesized that there would be no differences between both techniques when using a triangular allograft impaction technique. Methods: A single-centre, observational, retrospective study was conducted on 103 opening-wedge high tibial osteotomy patients from January 2017 to September 2019. Data collection, NRS and KOOS-PS, was performed preoperatively, 3 months and 12 months postoperatively. Radiological assessment (Kellgren-Lawrence, mechanical femoral-tibial angle, posterior tibial slope angle, lateral patellar tilt, patellar height) was performed on standing radiographs. Results: In total 32 patients were included in the biplanar group and 71 patients in the monoplanar group. NRS and KOOS-PS scores improved significantly (p < 0.001) in time for both groups from baseline to 3 m PO and further to 1 year postoperatively. Our results showed no differences in radiological outcomes such as patellar height, LPT and posterior tibial slope angle. The monoplanar group did have more Takeuchi I and III fractures and a higher mFTA angle without clinical repercussion. Conclusions: Using a triangular allograft impaction technique for monoplanar and biplanar medial opening-wedge high tibial osteotomy gives no differences in clinical (NRS and KOOS) and radiological outcomes. Although a difference in Takeuchi fractures was found for monoplanar patients, no additional fixation was necessary, nor did clinical complications occur. We can conclude that triangular allograft impaction technique creates a stable construct and standardizes the healing procedure postoperatively for both monoplanar and biplanar medial opening-wedge high tibial osteotomy. (c) 2023 Elsevier B.V. All rights reserved. |
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Language
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English
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Source (journal)
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The knee. - Oxford
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Publication
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Oxford
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2023
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ISSN
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0968-0160
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DOI
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10.1016/J.KNEE.2023.06.012
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Volume/pages
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44
(2023)
, p. 21-30
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ISI
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001061333100001
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Pubmed ID
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37487379
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Full text (Publisher's DOI)
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Full text (publisher's version - intranet only)
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