Patient height is a predictive factor for good postoperative knee flexion after cruciate-retaining total knee arthroplasty with GRADIUS design.

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Accounts of Chemical Research Pub Date : 2024-01-01 DOI:10.3233/THC-240212

Takanori Miura, Tsuneari Takahashi, Ryusuke Ae, Katsushi Takeshita, Naohisa Miyakoshi

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Abstract

Background: A gradually reducing radius (GRADIUS) design implant can facilitate a smooth transition from stability through full range of motion in total knee arthroplasty (TKA). Nonetheless, patient-specific factors associated with good knee flexion remain unclear.

Objective: This study aimed to determine the factors associated with good knee flexion after cruciate-retaining TKA with a GRADIUS prosthesis in an Asian population.

Methods: This retrospective study included 135 patients that were stratified according to postoperative knee flexion angle (KFA) into Group F (⩾ 120∘; 85 patients [63.2%]) and Group NF (< 120∘; 50 patients [36.8%]).

Results: Patients in Group F were taller and had a lower body mass index (BMI) smaller preoperative hipkneeankle angle and better preoperative extension and flexion angle than Group NF patients. The multivariable analysis revealed that patients' height (odds ratio [OR]: 1.07, P= 0.0150), BMI (OR: 0.85, P= 0.0049), and preoperative flexion angle (OR: 1.06, P= 0.0008) predicted good KFA. The ROC curve analysis showed that the cutoff values of a good KFA were height 155.1 cm, BMI 22.1 kg/m2, and preoperative KFA 120∘.

Conclusions: Patient height, BMI, and preoperative KFA were independent factors affecting good postoperative KFA in patients of Asian descent who underwent cruciate-retaining TKA with a GRADIUS design.

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采用 GRADIUS 设计的十字韧带固定全膝关节置换术后，患者身高是膝关节术后良好屈曲的预测因素。

背景：在全膝关节置换术（TKA）中，逐渐缩小桡骨（GRADIUS）设计的假体可促进从稳定到完全活动范围的平稳过渡。然而，与膝关节良好屈曲相关的患者特异性因素仍不清楚：本研究旨在确定在亚洲人群中使用 GRADIUS 假体进行十字韧带固定 TKA 后膝关节良好屈曲的相关因素：这项回顾性研究纳入了 135 名患者，根据术后膝关节屈曲角度（KFA）将其分为 F 组（⩾ 120∘；85 名患者 [63.2%]）和 NF 组（< 120∘；50 名患者 [36.8%]）：与NF组患者相比，F组患者身高更高、体重指数（BMI）更低、术前髋膝关节角度更小、术前伸屈角度更好。多变量分析显示，患者的身高（几率比 [OR]：1.07，P= 0.0150）、体重指数（OR：0.85，P= 0.0049）和术前屈曲角度（OR：1.06，P= 0.0008）预示着良好的 KFA。ROC 曲线分析显示，良好 KFA 的临界值为身高 155.1 厘米、体重指数 22.1 千克/平方米和术前 KFA 120∘：结论：对于采用 GRADIUS 设计接受十字韧带固定 TKA 手术的亚裔患者而言，患者身高、体重指数和术前 KFA 是影响术后 KFA 优良率的独立因素。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Accounts of Chemical Research 化学-化学综合

CiteScore

31.40

自引率

1.10%

发文量

312

审稿时长

2 months

期刊介绍： Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.