Medial congruent with posterior cruciate ligament resected achieves similar short term outcome as posterior stabilised total knee arthroplasty.

Q1 Medicine MUSCULOSKELETAL SURGERY Pub Date : 2024-11-22 DOI:10.1007/s12306-024-00875-5

K M S Khoo, W C Lee, C M B Foong, R Kunnasegaran

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Abstract

Introduction: Medial congruent (MC) systems and Posterior stabilized (PS) systems are widely utilized as implant options in total knee arthroplasties (TKAs). Nevertheless, determining which system yields superior clinical outcomes remains unresolved. This study seeks to compare these two systems by conducting a retrospective analysis of data from a single surgeon's registry encompassing both systems. Evaluation parameters consist of range of motion (ROM) and various clinical scoring systems.

Methods: A retrospective analysis of data from a single surgeon's registry compared 45 MC with PCL resected (MC-PCLR) TKAs with 44 PS TKAs. Inclusion criteria comprised primary knee osteoarthritis with a minimum 1-year follow-up, while exclusion criteria involved secondary knee osteoarthritis and revision TKAs. Range of motion, Oxford Knee Score (OKS), Knee Society Scoring System (KS) Function Score (KS-FS), and KS Knee Score (KS-KS) were assessed preoperatively, at 3 months, and at 12 months postoperatively. Statistical analysis was performed on retrieved data.

Results: Both group has similar baseline demographics in terms of gender (68% vs. 73% female, p = 0.60), BMI (26.4 ± 5.7 vs. 28.3 ± 5.1 p = 0.81) and American Society for Anaesthesiology score (75% vs. 84% score of 2, p = 0.12), with the exception of age where the PS group is significantly greater (71 ± 8 vs. 66 ± 7 years, p < 0.01). There was no significant difference in range of motion (ROM), Oxford Knee Score (OKS), Knee Society Scoring System (KS) Function Score (KS-FS) and KS Knee Score (KS-KS) for all time periods except for one time stamp where preoperatively, the preoperative KS Knee Score (KS-KS) was significantly lower in the PS group. However, when comparing the change between KS-KS of pre-operation and 3 months post operation (44 ± 18 vs. 31 ± 18,p < 0.01), and pre-operation and 1 year post operation (46 ± 16 vs. 34 ± 17,p < 0.01), it is found to be significantly higher in the PS group for both time periods. All other comparisons between the three time periods were found to have similar parameters.

Conclusions: PS and MC-PCLR demonstrates similar outcomes at the 1-year mark. However PS exhibits a faster rate of improvement from pre-operation to 3 months as compared to MC-PCLR.

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切除后十字韧带的内侧全膝关节与后稳定全膝关节置换术的短期疗效相似。

简介：内侧一致（MC）系统和后方稳定（PS）系统被广泛用作全膝关节置换术（TKA）的植入物。然而，哪种系统能产生更好的临床效果仍是一个悬而未决的问题。本研究试图通过对单一外科医生登记的两种系统的数据进行回顾性分析，对这两种系统进行比较。评估参数包括活动范围（ROM）和各种临床评分系统：方法：对来自单个外科医生登记处的数据进行回顾性分析，比较了45例MC+PCLR（MC-PCLR）TKAs和44例PS TKAs。纳入标准包括至少随访1年的原发性膝关节骨关节炎，排除标准包括继发性膝关节骨关节炎和翻修TKAs。术前、术后3个月和术后12个月分别对活动范围、牛津膝关节评分（OKS）、膝关节协会评分系统（KS）功能评分（KS-FS）和KS膝关节评分（KS-KS）进行评估。对检索到的数据进行了统计分析：结果：两组患者在性别（68% vs. 73% female，P = 0.60）、体重指数（26.4 ± 5.7 vs. 28.3 ± 5.1，P = 0.81）和美国麻醉学会评分（75% vs. 84% score of 2，P = 0.12）方面具有相似的基线人口统计学特征，但在年龄方面 PS 组明显大于 MC 组（71 ± 8 vs. 66 ± 7 岁，P 结论：PS 和 MC-PCLR 显示出相似的基线人口统计学特征：PS 和 MC-PCLR 在 1 年后的效果相似。不过，与 MC-PCLR 相比，PS 组从手术前到 3 个月的改善速度更快。

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来源期刊

MUSCULOSKELETAL SURGERY Medicine-Surgery

CiteScore

4.50

自引率

0.00%

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期刊介绍： Musculoskeletal Surgery – Formerly La Chirurgia degli Organi di Movimento, founded in 1917 at the Istituto Ortopedico Rizzoli, is a peer-reviewed journal published three times a year. The journal provides up-to-date information to clinicians and scientists through the publication of original papers, reviews, case reports, and brief communications dealing with the pathogenesis and treatment of orthopaedic conditions.An electronic version is also available at http://www.springerlink.com.The journal is open for publication of supplements and for publishing abstracts of scientific meetings; conditions can be obtained from the Editors-in-Chief or the Publisher.