Abstract：
AIM:Computerized navigation of unicondylar knee arthroplasties (UKA) is not a widespread technique. The lifespan of a UKA depends on the quality of its implantation. We know that overcorrection leads to a rapid extension of the osteoarthritis to the opposite side of the knee and undercorrection to a rapid loosening or wear of the prosthesis. Because of these difficulties and following a long experience with navigation of total knee arthroplasties (TKA) and osteotomies around the knee, we began using navigation for revisions to TKA in 2003 and for UKAs in 2008. The aim of this work is to present, firstly, the axial alignment of 79 medial and 19 lateral computer-assisted UKAs and, secondly, the axial alignment of 23 computer-assisted UKA revisions to TKA. METHODS:In all the cases we used the Orthopilot® device (BBraun-Aesculap, Tuttlingen, Germany), which is a non image-based navigation system. RESULTS:For medial prostheses, the main objective was to obtain a post-operative HKA angle of 177° ± 2°, i.e. an under correction of 1-5°. This objective was met in 88.5 % of the cases. For lateral prostheses, the main objective was to achieve a post-operative HKA angle of 183° ± 2°, i.e. also an under correction of 1-5°. This objective was met in 84 % of the cases (3 cases at 186° and no cases of over correction). Regarding UKA revisions, the main objective was to ensure an HKA angle of 180° ± 3°. This was met in 92.4 % of the cases. CONCLUSION:As for TKA and osteotomies, computerized navigation of UKAs and UKA revisions allows the pre-operative goal to be met easily.
journal_name
Int Orthopjournal_title
International orthopaedicsauthors
Saragaglia D,Marques Da Silva B,Dijoux P,Cognault J,Gaillot J,Pailhé Rdoi
10.1007/s00264-016-3293-1subject
Has Abstractpub_date
2017-02-01 00:00:00pages
293-299issue
2eissn
0341-2695issn
1432-5195pii
10.1007/s00264-016-3293-1journal_volume
41pub_type
杂志文章abstract：:The aim of our study was to determine the radiographic prevalence of hip and knee osteoarthritis and compare our results with prevalence data reported by other studies, as no similar study had been performed in Hungary previously. Our aim was also to investigate the usefulness of the different radiological scoring met...
journal_title：International orthopaedics
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journal_title：International orthopaedics
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doi：10.1007/BF00183364
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abstract：:High tibial wedge osteotomies are often followed by transient neurological complications. From a retrospective study of 132 patients it appears that the incidence of this troublesome complication can be reduced after osteotomy with external fixation by using a technique of making consecutive drill holes of increasing ...
journal_title：International orthopaedics
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journal_title：International orthopaedics
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journal_title：International orthopaedics
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journal_title：International orthopaedics
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更新日期：1994-04-01 00:00:00
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更新日期：2009-04-01 00:00:00
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pub_type： 杂志文章
doi：10.1007/s002640050093
更新日期：1996-01-01 00:00:00
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journal_title：International orthopaedics
pub_type： 杂志文章
doi：10.1007/BF00266887
更新日期：1979-01-01 00:00:00
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journal_title：International orthopaedics
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journal_title：International orthopaedics
pub_type： 杂志文章
doi：10.1007/BF00192291
更新日期：1991-01-01 00:00:00
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