Abstract:
PURPOSE:Although unilateral total knee arthroplasty (TKA) is successful in restoring function, there are concerns in relation to asymmetric gait patterns. Bi-cruciate retaining (BCR) TKA design preserves both anterior and posterior cruciate ligaments with the potential to restore normal joint kinematics. The purpose of this study was to investigate the in vivo three-dimensional (3D) kinematics of the knee in unilateral BCR TKA patients during gait. METHODS:Twenty-nine unilateral BCR TKA patients were evaluated for both knees during treadmill gait using a combined computer tomography and dual fluoroscopic imaging system approach. RESULTS:Significantly higher flexion (4 ± 6.7°) and internal rotation (4.3 ± 4.7°) and significantly lower adduction (2.5 ± 4.4°) during the stance phase of gait cycle were observed in the implanted side of unilateral BCR TKA patients. Significant asymmetric lateral/medial (3.2 ± 4.8 mm) and anterior/posterior (3.4 ± 4.1 mm) tibial translations were also measured during treadmill gait in this cohort of patients. CONCLUSION:Despite maintaining anteroposterior stability, asymmetric knee motion persisted in in vivo unilateral BCR TKA patients during gait. The results of the current study suggested that the knee motion symmetry during gait was not restored in patients with unilateral BCR TKA.
journal_name
Int Orthopjournal_title
International orthopaedicsauthors
Arauz P,Peng Y,Kwon YMdoi
10.1007/s00264-018-3986-8subject
Has Abstractpub_date
2018-12-01 00:00:00pages
2817-2823issue
12eissn
0341-2695issn
1432-5195pii
10.1007/s00264-018-3986-8journal_volume
42pub_type
杂志文章abstract:PURPOSES:Post arthroplasty gait analysis has up till now been performed on subjects walking slowly on flat ground rather than challenging them at faster speeds or walking uphill. We therefore asked: (1) Is there a measurable difference in the performance of hip resurfacing arthroplasty (HRA) and total hip arthroplasty ...
journal_title:International orthopaedics
pub_type: 临床试验,杂志文章
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journal_title:International orthopaedics
pub_type: 杂志文章
doi:
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journal_title:International orthopaedics
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journal_title:International orthopaedics
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journal_title:International orthopaedics
pub_type: 杂志文章
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更新日期:1999-01-01 00:00:00
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pub_type: 杂志文章
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pub_type: 杂志文章
doi:10.1007/s00264-020-04804-6
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pub_type: 杂志文章
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journal_title:International orthopaedics
pub_type: 杂志文章
doi:10.1007/s00264-012-1635-1
更新日期:2012-11-01 00:00:00
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journal_title:International orthopaedics
pub_type: 杂志文章,随机对照试验
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更新日期:2010-02-01 00:00:00
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pub_type: 杂志文章
doi:10.1007/s00264-004-0603-9
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journal_title:International orthopaedics
pub_type: 杂志文章,评审
doi:10.1007/s00264-012-1711-6
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journal_title:International orthopaedics
pub_type: 杂志文章,随机对照试验
doi:10.1007/s00264-016-3154-y
更新日期:2016-06-01 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/s00264-006-0234-4
更新日期:2007-10-01 00:00:00
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pub_type: 杂志文章,评审
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journal_title:International orthopaedics
pub_type: 杂志文章
doi:10.1007/s00264-014-2393-z
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journal_title:International orthopaedics
pub_type: 杂志文章,评审
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更新日期:2013-08-01 00:00:00
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journal_title:International orthopaedics
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pub_type: 杂志文章
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