Abstract：
BACKGROUND:High tibial osteotomy (HTO) has long been accepted as an effective treatment for unicompartmental osteoarthritis of the knee in young, active adults. For varus knees, the two most commonly performed valgus-producing HTOs are the lateral closing wedge and the medial opening wedge. Regardless of technique, some HTOs fail and are converted to TKA. To our knowledge, no studies have directly compared TKAs done after lateral closing-wedge osteotomies to those done after medial opening-wedge osteotomies. QUESTIONS/PURPOSES:We compared pain- and function-related outcomes and survivorship of TKAs in patients who previously underwent medial opening-wedge and lateral closing-wedge HTOs. METHODS:We reviewed our institutional database to identify all patients having undergone a HTO with subsequent conversion to TKA and identified 188 lateral closing-wedge HTOs and 77 medial opening-wedge HTOs. Mean followup was 88 months (range, 3-264 months) for the lateral closing-wedge HTO cohort and 59 months (range, 3-180 months) for the medial opening-wedge cohort. SF-12, WOMAC, and Knee Society Scores, as well as survivorship at 5 years, were compared between the two groups. Statistical analysis was completed using the independent-samples t-test. RESULTS:No differences were found between groups in postoperative SF-12 scores (p = 0.77 for the mental component summary score and p = 0.21 for the physical component summary score), WOMAC scores (p = 0.67), or Knee Society Scores (p = 0.80). No difference was found in survivorship between groups at 5 years. CONCLUSIONS:Our results suggest there is no difference in functional outcomes or survivorship of TKA in patients having previously undergone medial opening-wedge and lateral closing-wedge HTOs.
journal_name
Clin Orthop Relat Resjournal_title
Clinical orthopaedics and related researchauthors
Preston S,Howard J,Naudie D,Somerville L,McAuley Jdoi
10.1007/s11999-013-3040-5subject
Has Abstractpub_date
2014-01-01 00:00:00pages
105-10issue
1eissn
0009-921Xissn
1528-1132journal_volume
472pub_type
杂志文章abstract：:Periprosthetic osteolysis caused by wear debris released from the bearing surface of polyethylene components is the major problem in contemporary hip arthroplasty. Several types of metal on metal prostheses were developed in the 1960s, but by the mid 1970s they were completely displaced by polyethylene bearings. There...
journal_title：Clinical orthopaedics and related research
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journal_title：Clinical orthopaedics and related research
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journal_title：Clinical orthopaedics and related research
pub_type： 杂志文章
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journal_title：Clinical orthopaedics and related research
pub_type： 传,古典文章,历史文章,杂志文章
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journal_title：Clinical orthopaedics and related research
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journal_title：Clinical orthopaedics and related research
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journal_title：Clinical orthopaedics and related research
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更新日期：1980-03-01 00:00:00
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journal_title：Clinical orthopaedics and related research
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journal_title：Clinical orthopaedics and related research
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journal_title：Clinical orthopaedics and related research
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journal_title：Clinical orthopaedics and related research
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doi：
更新日期：1995-08-01 00:00:00
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journal_title：Clinical orthopaedics and related research
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journal_title：Clinical orthopaedics and related research
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journal_title：Clinical orthopaedics and related research
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journal_title：Clinical orthopaedics and related research
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journal_title：Clinical orthopaedics and related research
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journal_title：Clinical orthopaedics and related research
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journal_title：Clinical orthopaedics and related research
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journal_title：Clinical orthopaedics and related research
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journal_title：Clinical orthopaedics and related research
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journal_title：Clinical orthopaedics and related research
pub_type： 杂志文章
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journal_title：Clinical orthopaedics and related research
pub_type： 杂志文章,评审
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