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使用后交叉韧带牺牲型内侧旋转铰链膝关节的全膝关节置换术:至少5年的随访结果

Total Knee Arthroplasty Using a Posterior Cruciate Ligament Sacrificing Medial Pivot Knee: Minimum 5-year Follow-up Results.

作者信息

Youm Yoon-Seok, Cho Sung-Do, Lee Seon-Ho, Cho Hye-Yong

机构信息

Department of Orthopedic Surgery, Arthro-center, Ulsan University Hospital, University of Ulsan College of Medicine, Ulsan, Korea.

出版信息

Knee Surg Relat Res. 2014 Sep;26(3):135-40. doi: 10.5792/ksrr.2014.26.3.135. Epub 2014 Aug 29.

DOI:10.5792/ksrr.2014.26.3.135
PMID:25229042
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC4163570/
Abstract

PURPOSE

To evaluate minimum 5-year follow-up clinical and radiological results of total knee arthroplasty (TKA) using a posterior cruciate ligament sacrificing (PS), non-substituting Advance Medial Pivot Knee.

MATERIALS AND METHODS

One hundred and twenty knees in 80 patients who could be followed up for more than 5 years after TKA using the PS Advance Medial Pivot Knee were evaluated retrospectively. The evaluations included the preoperative and postoperative range of motion (ROM), tibiofemoral angle, Knee Society (KS) knee and function scores, and Western Ontario and McMaster Universities Arthritis Index (WOMAC) score. The Kaplan-Meier method was used for survival analysis.

RESULTS

The ROM increased from a preoperative mean flexion contracture of 7.6° and further flexion of 115.1° to a postoperative mean flexion contracture of 1.5° and further flexion of 120.5°. The tibiofemoral angle was changed from 4.6° varus preoperatively to 5.8° valgus postoperatively. The KS knee and function scores as well as WOMAC score significantly improved after surgery (p<0.05). Complications developed in 4 cases (3.3%): 2 cases of periprosthetic patellar fracture (1.7%) and 2 cases of aseptic loosening (1.7%). The seven-year survival rate was 98.1% in the Kaplan-Meier survival analysis.

CONCLUSIONS

The minimum 5-year follow-up results of TKA using the PS Medial Pivot Knee were satisfactory.

摘要

目的

评估使用后交叉韧带牺牲型(PS)、非替代型进阶内侧旋转铰链膝关节进行全膝关节置换术(TKA)至少5年的随访临床和放射学结果。

材料与方法

回顾性评估80例患者的120个膝关节,这些患者在使用PS进阶内侧旋转铰链膝关节进行TKA后能够随访5年以上。评估内容包括术前和术后的活动范围(ROM)、胫股角、膝关节协会(KS)膝关节和功能评分以及西安大略和麦克马斯特大学骨关节炎指数(WOMAC)评分。采用Kaplan-Meier法进行生存分析。

结果

ROM从术前平均屈曲挛缩7.6°和进一步屈曲115.1°增加到术后平均屈曲挛缩1.5°和进一步屈曲120.5°。胫股角从术前内翻4.6°变为术后外翻5.8°。术后KS膝关节和功能评分以及WOMAC评分显著改善(p<0.05)。4例(3.3%)出现并发症:2例假体周围髌骨骨折(1.7%)和2例无菌性松动(1.7%)。Kaplan-Meier生存分析中7年生存率为98.1%。

结论

使用PS内侧旋转铰链膝关节进行TKA至少5年的随访结果令人满意。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/df3d/4163570/15a3ef703919/ksrr-26-135-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/df3d/4163570/5a02f1817826/ksrr-26-135-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/df3d/4163570/0abf31f3d2fa/ksrr-26-135-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/df3d/4163570/15a3ef703919/ksrr-26-135-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/df3d/4163570/5a02f1817826/ksrr-26-135-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/df3d/4163570/0abf31f3d2fa/ksrr-26-135-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/df3d/4163570/15a3ef703919/ksrr-26-135-g003.jpg

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