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本文引用的文献

1
Lack of axial rotation in mobile-bearing knee designs.活动轴承膝关节设计中缺乏轴向旋转。
Clin Orthop Relat Res. 2008 Nov;466(11):2662-8. doi: 10.1007/s11999-008-0354-9. Epub 2008 Jun 26.
2
Causes and predictors of patient's dissatisfaction after uncomplicated total knee arthroplasty.单纯全膝关节置换术后患者不满的原因及预测因素。
J Arthroplasty. 2009 Feb;24(2):263-71. doi: 10.1016/j.arth.2007.11.005. Epub 2008 Apr 2.
3
Clinical and radiological results of high flex total knee arthroplasty: a 5 year follow-up.
Arch Orthop Trauma Surg. 2009 Jan;129(1):21-4. doi: 10.1007/s00402-008-0665-z. Epub 2008 Jun 3.
4
Introduction of a new mobile-bearing total knee prosthesis: minimum three year follow-up of an RCT comparing it with a fixed-bearing device.一种新型活动轴承全膝关节假体的介绍：一项将其与固定轴承装置进行比较的随机对照试验的至少三年随访
Knee. 2007 Dec;14(6):448-51. doi: 10.1016/j.knee.2007.08.004. Epub 2007 Oct 24.
5
Functional disabilities and issues of concern in female Asian patients before TKA.全膝关节置换术前亚洲女性患者的功能障碍及关注问题。
Clin Orthop Relat Res. 2007 Aug;461:143-52.
6
Quantification of polyethylene degradation in mobile bearing knees: a retrieval analysis of the Anterior-Posterior-Glide (APG) and Rotating Platform (RP) Low Contact Stress (LCS) knee.活动轴承膝关节中聚乙烯磨损的定量分析：前后滑动（APG）和旋转平台（RP）低接触应力（LCS）膝关节的翻修分析
Acta Orthop. 2007 Jun;78(3):364-70. doi: 10.1080/17453670710013942.
7
Correlation of maximum flexion with clinical outcome after total knee replacement in Asian patients.亚洲患者全膝关节置换术后最大屈曲度与临床结局的相关性
J Bone Joint Surg Br. 2007 May;89(5):604-8. doi: 10.1302/0301-620X.89B5.18117.
8
High-flexion rotating-platform knees: rationale, design, and patient selection.
Orthopedics. 2006 Sep;29(9 Suppl):S76-9.
9
The P.F.C. sigma RP-F TKA designed for improved performance: a matched-pair study.专为提高性能而设计的P.F.C.西格玛RP-F全膝关节置换术：一项配对研究。
Orthopedics. 2006 Sep;29(9 Suppl):S49-52.
10
Rationale for the posterior-stabilized rotating-platform knee.后稳定旋转平台膝关节的原理
Orthopedics. 2006 Sep;29(9 Suppl):S23-7.

旋转平台/后稳定型活动轴承全膝关节置换术早期临床疗效的改善

Improved early clinical outcomes of RP/PS mobile-bearing total knee arthroplasties.

作者信息

Kim Tae Kyun, Cho Hyung Joon, Kang Yeon Gwi, Kim Sung Ju, Chang Chong Bum

机构信息

Joint Reconstruction Center, Seoul National University Bundang Hospital, 300 Gumidong, Bundangu, Seongnam-si, Gyunggido, 463-707, Korea.

出版信息

Clin Orthop Relat Res. 2009 Nov;467(11):2901-10. doi: 10.1007/s11999-009-0787-9. Epub 2009 Mar 19.

DOI:10.1007/s11999-009-0787-9
PMID:19296186
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC2758967/
Abstract

UNLABELLED

The rotating-platform posterior-stabilized (RP/PS) prosthesis was developed to take advantage of the benefits of the traditional RP mobile-bearing system and the posterior-stabilized design. This nonconsecutive cohort study compared the clinical outcomes of TKAs performed using a RP/PS mobile system or a floating-platform (FP) system. The clinical outcomes of 93 TKAs with a RP/PS prosthesis were compared with the same number of TKAs with a FP mobile-bearing prosthesis at 6, 12, and 24 months after surgery. Clinical outcomes differed between the FP and RP/PS groups as a function of length of followup. In the FP group, most outcomes peaked at 12 months and then deteriorated, whereas in the RP/PS group, outcomes stabilized or continued to improve between 12 and 24 months. The RP/PS group had greater maximum flexion throughout followup and better clinical outcomes 24 months after surgery. Patient satisfaction was superior in the RP/RS group. This study suggests the RP/PS prosthesis provides better functional outcomes, including greater maximum flexion and better patient satisfaction. We propose the RP/PS mobile-bearing system is a more attractive option than the FP mobile-bearing system for patient populations of elderly women similar to patients enrolled in our study.

LEVEL OF EVIDENCE

Level III, therapeutic study. See Guidelines for Authors for a complete description of levels of evidence.

摘要

未标注

旋转平台后稳定型（RP/PS）假体的研发旨在利用传统RP活动轴承系统和后稳定型设计的优势。这项非连续队列研究比较了使用RP/PS活动系统或浮动平台（FP）系统进行全膝关节置换术（TKA）的临床结果。在术后6个月、12个月和24个月时，将93例使用RP/PS假体的TKA临床结果与相同数量使用FP活动轴承假体的TKA临床结果进行比较。根据随访时间的长短，FP组和RP/PS组的临床结果有所不同。在FP组中，大多数结果在12个月时达到峰值，然后恶化，而在RP/PS组中，结果在12个月至24个月之间稳定或持续改善。在整个随访期间，RP/PS组的最大屈曲度更大，术后24个月时临床结果更好。RP/PS组的患者满意度更高。这项研究表明，RP/PS假体提供了更好的功能结果，包括更大的最大屈曲度和更好的患者满意度。对于类似于本研究纳入患者的老年女性患者群体，我们认为RP/PS活动轴承系统比FP活动轴承系统更具吸引力。

证据水平

III级，治疗性研究。有关证据水平的完整描述，请参阅作者指南。