Abstract:
PURPOSE:A full range of motion after total knee arthroplasty has become more and more requested by our patients, leading to novel designs of knee implants, the so-called "hyperflex" knees. The aim of the present study was to confirm whether or not hyperflexion of operated knees really improves the patients' quality of life. METHODS:A retrospective comparative case-control study has been carried out to compare clinical results shown in two types of knee prosthesis, from two homogeneous paired groups of patients including 45 cases of a "hyperflex" model (RP-F), while the control group consisted of 43 cases of a "regular design" model (Triathlon) in terms of expected postoperative flexion. RESULTS:The hyperflex group demonstrated significant higher mean values of passive flexion at 119.9° in the RP-F group versus 111.1° in the Triathlon group. However, global results in the "regular" control group were significantly better than the "hyperflex" study group, in both IKS knee and functional scores at 84.4 points (RP-F) vs. 89.8 points (Triathlon), and 84.6 points (RP-F) vs. 89.5 points (Triathlon), respectively. Moreover, the self-administered KOOS questionnaire was significantly in favor of the control group, with 73.5 points in RP-F knees versus 86.0 points for Triathlon knees at global KOOS postoperative scores. CONCLUSION:The quality of life of operated patients after TKA obviously would be considered as the main priority, which was better obtained by a "regular design" in our study. Hence "high flexion" cannot be considered as an absolute target when choosing a model for total knee arthroplasty.
journal_name
Int Orthopjournal_title
International orthopaedicsauthors
Mencière ML,Epinette JA,Gabrion A,Arnalsteen D,Mertl Pdoi
10.1007/s00264-014-2372-4subject
Has Abstractpub_date
2014-10-01 00:00:00pages
2079-86issue
10eissn
0341-2695issn
1432-5195journal_volume
38pub_type
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journal_title:International orthopaedics
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更新日期:2012-12-01 00:00:00
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journal_title:International orthopaedics
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更新日期:2009-04-01 00:00:00
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更新日期:2017-07-01 00:00:00
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pub_type: 杂志文章,随机对照试验
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更新日期:2018-02-01 00:00:00
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更新日期:2017-06-01 00:00:00
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journal_title:International orthopaedics
pub_type: 杂志文章
doi:
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