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Please use this identifier to cite or link to this item: http://hdl.handle.net/1942/23314

Title: How accurately does high tibial osteotomy correct the mechanical axis of an arthritic varus knee? A systematic review
Authors: Van den Bempt, Maxim
Van Genechten, Wouter
Claes, Toon
Claes, Steven
Issue Date: 2016
Citation: KNEE, 23(6), p. 925-935
Abstract: Background: The aim of this study was to give an overview of the accuracy of coronal limb alignment correction after high tibial osteotomy (HTO) for the arthritic varus knee by performing a systematic review of the literature. Methods: The databases PubMed, MEDLINE and Cochrane Library were screened for relevant articles. Only prospective clinical studies with the accuracy of alignment correction by performing HTO as primary or secondary objective were included. Results: Fifteen studies were included in this systematic review and were subdivided in 23 cohorts. A total of 966 procedures were considered. Nine cohorts used computer navigation during HTO and the other 14 cohorts used a conventional method. In seven computer navigation cohorts, at least 75% of the study population fell into the accepted "range of accuracy" (AR) as proposed by the different studies, but only six out of 14 conventional cohorts reached this percentage. Four out of eight conventional cohorts that provided data on under- and overcorrection, had a tendency to undercorrection. Conclusions: The accuracy of coronal alignment corrections using conventional HTO falls short The number of procedures outside the proposed AR is surprising and exposes a critical concern for modern HTO. Computer navigation might improve the accuracy of correction, but its use is not widespread among orthopedic surgeons. Although HTO procedures have been shown to be successful in the treatment of unicompartmental knee arthritis when performed accurately, the results of this review stress the importance of ongoing efforts in order to improve correction accuracy in modern HTO. (C) 2016 Elsevier B.V. All rights reserved.
Notes: [Van den Bempt, Maxim; Van Genechten, Wouter] Hasselt Univ, Hasselt, Belgium. [Van den Bempt, Maxim; Van Genechten, Wouter] Univ Antwerp, Antwerp, Belgium. [Claes, Toon; Claes, Steven] AZH Hosp, Herentals, Belgium. [Claes, Steven] Univ Hosp, Leuven, Belgium.
URI: http://hdl.handle.net/1942/23314
DOI: 10.1016/j.knee.2016.10.001
ISI #: 000390742000002
ISSN: 0968-0160
Category: A1
Type: Journal Contribution
Appears in Collections: Research publications

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