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腘面轴可能决定髋关节前倾角。

The popliteal surface axis may define hip anteversion.

作者信息

Akman Alp, Demirkan Ahmet Fahir, Akkoyunlu Nuran Sabir, Yörükoğlu Ali Çağdaş

机构信息

Department of Orthopedics and Traumatology, Pamukkale University Faculty of Medicine, Denizli, Turkey.

出版信息

Jt Dis Relat Surg. 2020;31(1):28-33. doi: 10.5606/ehc.2020.65259.

DOI:10.5606/ehc.2020.65259
PMID:32160490
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC7489117/
Abstract

OBJECTIVES

This study aims to investigate the usability and reliability of our new axis in a three-dimensional modelling work and demonstrate if it is a reproducible method for anteversion measurement that sufficiently correlates with other computed tomography (CT)-derived gold standards including trans- epicondylar axis (TEA) and posterior condylar axis (PCA).

PATIENTS AND METHODS

Three-dimensional solid models were derived from left femoral CT data of 100 participants (50 males, 50 females; mean age 57 years; range, 21 to 86). The newly proposed popliteal surface axis (PSA) was compared with TEA and PCA in terms of anteversion measurement on these solid models.

RESULTS

Popliteal surface axis was found as a reproducible reference axis in our study as it could be measured in 99% of our sample. The mean value of PSA based anteversion was (-) 1.8° which was 10.7° and 4.4° for PCA and TEA, respectively. Popliteal surface axis was perfectly correlated with PCA and TEA for anteversion measurements (p<0.001, r=0.92 for both).

CONCLUSION

Our findings suggest that the newly defined PSA may be used as an alternative method for determination of anteversion.

摘要

目的

本研究旨在探讨我们新定义的轴在三维建模工作中的可用性和可靠性，并证明其是否为一种可重复的前倾测量方法，该方法与其他计算机断层扫描（CT）衍生的金标准（包括经髁上轴（TEA）和髁后轴（PCA））具有充分的相关性。

患者与方法

从100名参与者（50名男性，50名女性；平均年龄57岁；范围21至86岁）的左股骨CT数据中获取三维实体模型。在这些实体模型上，将新提出的腘面轴（PSA）与TEA和PCA在前倾测量方面进行比较。

结果

在我们的研究中，腘面轴被发现是一条可重复的参考轴，因为在我们99%的样本中都可以测量到。基于PSA的前倾平均值为（-）1.8°，而PCA和TEA分别为10.7°和4.4°。在进行前倾测量时，腘面轴与PCA和TEA完全相关（p<0.001，两者的r均为0.92）。

结论

我们的研究结果表明，新定义的PSA可作为确定前倾度的替代方法。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b972/7489117/b76f5a3a39b8/JDRS-2020-31-1-028-033-F4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b972/7489117/a08a3ddbd06a/JDRS-2020-31-1-028-033-F1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b972/7489117/77da89744c32/JDRS-2020-31-1-028-033-F2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b972/7489117/17bb4b3383c5/JDRS-2020-31-1-028-033-F3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b972/7489117/b76f5a3a39b8/JDRS-2020-31-1-028-033-F4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b972/7489117/a08a3ddbd06a/JDRS-2020-31-1-028-033-F1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b972/7489117/77da89744c32/JDRS-2020-31-1-028-033-F2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b972/7489117/17bb4b3383c5/JDRS-2020-31-1-028-033-F3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b972/7489117/b76f5a3a39b8/JDRS-2020-31-1-028-033-F4.jpg

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