Abstract：
PURPOSE:Residual feeling of leg length discrepancy (LLD) is a common cause of patient dissatisfaction following total hip arthroplasty (THA). The purpose of this study is to propose a method for determining an optimal leg length correction goal in THA. METHODS:We conducted a retrospective study of 132 patients to examine the radiographic LLD (R-LLD), perceived LLD (P-LLD), and whether or not the patient has an uncomfortable feeling about the leg length after THA. RESULTS:The residual discomfort rate in all patients was 9.1% (12/132 patients), and ten of these 12 patients felt uncomfortable due to a longer leg length. When R-LLD was within 7 mm, the rate was 6.8% (8/118 patients), which is nearly equal to the rate of 7.8% (5/64 patients) in cases in which R-LLD was within 2 mm. On the other hand, when R-LLD was 8 mm or more, the rate was 57.1% (4/7 patients). CONCLUSIONS:The results of our study show that 7 mm may be a reasonable threshold for reducing the residual discomfort. However, even with little or no R-LLD, some patients will continue to experience discomfort. We think that this is because of pre-operative differences between R-LLD and P-LLD in such cases. If the patient has a pelvic declination on the affected hip side and a lumbar scoliosis angle that is convex toward the affected hip side before surgery, the ideal length may be a little shorter than the radiographic isometry, since such patients are likely to feel a longer leg length than that shown radiographically.
journal_name
Int Orthopjournal_title
International orthopaedicsauthors
Fujita K,Kabata T,Kajino Y,Tsuchiya Hdoi
10.1007/s00264-019-04411-0subject
Has Abstractpub_date
2020-03-01 00:00:00pages
437-443issue
3eissn
0341-2695issn
1432-5195pii
10.1007/s00264-019-04411-0journal_volume
44pub_type
杂志文章abstract：PURPOSE:We report our experience analysing the risk of fracture amongst allografts in limb-preserving surgery for bone tumours. METHODS:We retrospectively reviewed our experience with bone allograft and its major complications when used for limb -preserving operations for bone tumours. Forty-one structural allografts ...
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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pub_type： 临床试验,杂志文章
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更新日期：1992-01-01 00:00:00
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更新日期：2012-07-01 00:00:00
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pub_type： 杂志文章
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journal_title：International orthopaedics
pub_type： 杂志文章
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更新日期：2010-02-01 00:00:00
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journal_title：International orthopaedics
pub_type： 杂志文章
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更新日期：2001-01-01 00:00:00
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journal_title：International orthopaedics
pub_type： 杂志文章
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更新日期：2001-01-01 00:00:00
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journal_title：International orthopaedics
pub_type： 杂志文章
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更新日期：2016-10-01 00:00:00
