The transepicondylar distance is a reliable and easily measured parameter for estimating femoral cartilage surface area using MRI.

IF 3.3 2区医学 Q1 ORTHOPEDICS Knee Surgery, Sports Traumatology, Arthroscopy Pub Date : 2024-09-23 DOI:10.1002/ksa.12482

Tayfun Yilmaz, Markus Siegel, Elham Taghizadeh, Andreas Fuchs, Philipp Niemeyer, Hagen Schmal, Kaywan Izadpanah

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引用次数: 0

Abstract

Purpose: Different cartilage repair techniques are widely used to regenerate cartilage, such as autologous chondrocyte implantation (ACI), osteochondral autograft transfer, microfracturing and minced cartilage. Defect size is a key parameter for selecting the best procedure to repair cartilage. However, the defect's size is not related to the patient's total cartilage surface. This is because assessing the femoral cartilage surface area is time-consuming and therefore unsuitable in the daily clinical routine. It has been proposed that the femur's total cartilage area correlates positively with the transepicondylar distance (TEA).

Methods: The knees of 40 subjects were analysed. Their average age was 30.1 ± 8.6 years. Twenty-four female and 16 male subjects were examined. Their mean body height was 176.2 ± 8.8 cm. MRI scans were performed via 3-Tesla MRI. These data were postprocessed and quantified using the browser-based, customizable SATORI platform (Fraunhofer MEVIS). This software computed the femoral cartilage surface area (FeCA), the patella cartilage surface area (PCA), the TEA and the patella length.

Results: Body height reveals a good correlation (r = 0.722, p < 0.001) with the distal femur's cartilage area surface. However, regression analysis shows only moderate dependence (R²: 0.514). A very good correlation (r = 0.830, p < 0.001) was observed between the TEA distance and the total cartilage surface area of the distal femur. The regression analysis yields a good value (R²: 0.684). The cranio-caudal length of the patella was chosen as a suitably measurable two-dimensional parameter for correlation analysis with the patella's total cartilage surface area. Those results yield a poor correlation (r = 0.577, p < 0.001) between the two parameters, and regression analysis reveals a low value (R²: 0.384).

Conclusion: The TEA is a reliable parameter for estimating the femur's cartilage area using MRI. A simple determination of this parameter allows the estimation of the femur's total cartilage area as well as the surface-corrected defect size (SCDS) in daily routine.

Level of evidence: Level II.

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横髁间距是利用核磁共振成像估算股骨头软骨表面积的一个可靠且易于测量的参数。

目的：不同的软骨修复技术被广泛用于软骨再生，如自体软骨细胞植入术（ACI）、骨软骨自体移植、微骨折和碎软骨。缺损大小是选择最佳软骨修复术的关键参数。然而，缺损的大小与患者的软骨总表面无关。这是因为评估股骨头软骨表面积非常耗时，因此不适合日常临床工作。有人提出，股骨软骨总面积与横髁间距（TEA）呈正相关：方法：对 40 名受试者的膝关节进行分析。他们的平均年龄为 30.1 ± 8.6 岁。受试者中有 24 名女性和 16 名男性。他们的平均身高为（176.2 ± 8.8）厘米。磁共振成像扫描是通过 3-Tesla 磁共振成像进行的。这些数据通过基于浏览器的可定制 SATORI 平台（弗劳恩霍夫 MEVIS）进行后处理和量化。该软件计算了股骨软骨表面积（FeCA）、髌骨软骨表面积（PCA）、TEA和髌骨长度：结果：身高显示出良好的相关性（r = 0.722，p 2：0.514）。相关性非常好（r = 0.830，p 2：0.684）。髌骨头尾长度被选为可测量的二维参数，与髌骨软骨总表面积进行相关性分析。结果显示相关性较差（r = 0.577，p 2：0.384）：结论：TEA是利用核磁共振成像估算股骨软骨面积的可靠参数。结论：TEA 是利用核磁共振成像估算股骨软骨面积的可靠参数，通过简单测定该参数，可在日常工作中估算出股骨软骨总面积以及表面校正缺损大小（SCDS）：证据等级：二级。

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

Knee Surgery, Sports Traumatology, Arthroscopy 医学-外科

CiteScore

8.10

自引率

18.40%

发文量

418

审稿时长

2 months

期刊介绍： Few other areas of orthopedic surgery and traumatology have undergone such a dramatic evolution in the last 10 years as knee surgery, arthroscopy and sports traumatology. Ranked among the top 33% of journals in both Orthopedics and Sports Sciences, the goal of this European journal is to publish papers about innovative knee surgery, sports trauma surgery and arthroscopy. Each issue features a series of peer-reviewed articles that deal with diagnosis and management and with basic research. Each issue also contains at least one review article about an important clinical problem. Case presentations or short notes about technical innovations are also accepted for publication. The articles cover all aspects of knee surgery and all types of sports trauma; in addition, epidemiology, diagnosis, treatment and prevention, and all types of arthroscopy (not only the knee but also the shoulder, elbow, wrist, hip, ankle, etc.) are addressed. Articles on new diagnostic techniques such as MRI and ultrasound and high-quality articles about the biomechanics of joints, muscles and tendons are included. Although this is largely a clinical journal, it is also open to basic research with clinical relevance. Because the journal is supported by a distinguished European Editorial Board, assisted by an international Advisory Board, you can be assured that the journal maintains the highest standards. Official Clinical Journal of the European Society of Sports Traumatology, Knee Surgery and Arthroscopy (ESSKA).