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首页> 外文期刊>Orthopaedic Journal of Sports Medicine >Medial and Lateral Posterior Tibial Slope Are Independent Risk Factors for Noncontact ACL Injury in Both Men and Women
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Medial and Lateral Posterior Tibial Slope Are Independent Risk Factors for Noncontact ACL Injury in Both Men and Women

机译：内侧和外侧后胫骨坡是男女非接触ACL损伤的独立风险因素

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Background: Higher posterior tibial slope (PTS) is a risk factor for anterior cruciate ligament (ACL) injury in men and women. The individual contribution of the lateral (LPTS) and medial (MPTS) slope has not yet been investigated. Purpose: To determine whether either the LPTS or the MPTS is an independent risk factor for ACL injury, and to determine sex-specific differences between patients with ACL-deficient and ACL-intact knees. Study Design: Cohort study; Level of evidence, 3. Methods: We reviewed knee magnetic resonance (MR) images performed on ACL-deficient and ACL-intact knees between January 2018 and June 2020 at a single institution. Inclusion criteria were isolated ACL injury and noncontact mechanism (ACL-deficient group) and nonspecific knee pain and no history of injury (ACL-intact group). Exclusion criteria for both groups were the following: previous knee surgery; meniscal, collateral ligament, posterior cruciate ligament, or multiligamentous injuries; radiological evidence of osteoarthritis; and chondral damage on the tibia. The MR images were used to establish the posterior bony slope at 25%, 50%, and 75% from the medial and/or lateral border of the tibial plateau with respect to the proximal tibial anatomic axis. One-way analysis of variance (ANOVA) was used to determine differences in PTS at the 25%, 50%, and 75% distances for the medial and lateral tibial plateau between the groups and between the sexes. Results: Overall, 325 images were included (mean age, 36.1 ± 11.1 years; 142 ACL-deficient images [82 men and 60 women]; 183 ACL-intact images [112 men and 71 women]). MPTS and LPTS were significantly higher at 25%, 50%, and 75% in the ACL-deficient group (range,?–2.7° to?–5.7°) compared with the ACL-intact group (range,?–2.1° to 1.5°; P = .00001). Similarly, MPTS and LPTS were significantly different in men versus women ( P = .00001). ANOVA revealed that there were no significant differences in PTS between men and women for all measures (MPTS, LPTS, ACL-deficient, ACL-intact; P = .68). Conclusion: The study results demonstrated that higher MPTS and LPTS is a potential risk factor for ACL injury in both men and women. However, despite being highly statistically significant, the differences between groups and sexes were small and may not be clinically relevant.
机译：背景：较高的后胫骨斜率（PTS）是男女前十字韧带（ACL）损伤的危险因素。尚未调查横向（LPTS）和内侧（MPTS）坡度的个人贡献。目的：确定LPTS或MPTS是否是ACL损伤的独立风险因素，并确定ACL缺陷和ACL-INTACT膝盖之间的性别特异性差异。研究设计：队列研究;证据水平，3.方法：我们在2018年1月至6月20日期间在一个机构审查了对ACL缺陷和ACL-Intact膝盖进行的膝关节磁共振（MR）图像。包含标准是分离的ACL损伤和非接触机制（ACL缺陷组）和非特异性膝关节疼痛，无损伤史（ACL-INTACT组）。所有群体的排除标准如下：以前的膝关节外科;半月板，侧韧带，后十字架韧带或多根损伤;骨关节炎的放射学证据;和胫骨损伤。 MR图像用于从胫骨平台的内侧和/或横向边缘相对于近侧胫骨解剖轴建立25％，50％和75％的后骨斜率。使用单向分析差异（ANOVA）用于确定在组和性别之间的内侧和横向胫骨平台的25％，50％和75％距离下的PTS差异。结果：总体而言，包括325张图片（平均年龄，36.1±11.1岁; 142次ACL缺陷的图像[82名男性和60名女性]; 183个ACL-Intact照片[112男性和71名女性]）。与ACL-INTACT组（范围，范围，α - 2.1°相比，MPTS和LPTS在25％，50％和75％下显着升高为25％，50％和75％，α - 2.7°至-5.7°） 1.5°; p = .00001）。同样地，MPTS和LPT在男性与女性中有显着不同（P = .00001）。 ANOVA显示所有措施（MPTS，LPTS，缺陷，ACL-INTACT; P = .68），男性与女性之间没有显着差异。结论：研究结果表明，较高的MPT和LPTS是男女ACL损伤的危险因素。然而，尽管具有高度统计学意义，但群体和性别之间的差异很小，并且可能不会临床相关。

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