Valiant Clinic/Houston Methodist Group, Dubai, United Arab Emirates; School of Medicine, University of Pretoria, South Africa.
Department of Orthopaedic Surgery, Royal Brisbane Hospital, Herston, Australia; Department of Surgery, School of Medicine, University of Queensland, Australia; Limb Reconstruction Center, Macquarie University Hospital, Macquarie Park, Australia; Orthopaedic Research Centre of Australia, Brisbane, Australia; Herston Biofabrication Institute, Brisbane, Australia.
Arthroscopy. 2022 Jan;38(1):109-118. doi: 10.1016/j.arthro.2021.04.066. Epub 2021 May 6.
To measure the slope of the medial and lateral posterior horn of the meniscus and its contribution to the overall resulting posterior tibial slope (bone and meniscus combined slope) in anterior cruciate ligament-intact (ACLI) and -deficient (ACLD) knees.
Magnetic resonance images of intact menisci in patients 16 to 60 years old were included. Posterior tibial bone slope (PTS) and meniscus slope (MS) were measured 25%, 50%, and 75% from the medial and lateral borders of the tibial plateau. Analysis of variance was used to determine differences in posterior tibial slopes between ACLD and ACLI knees and between sexes for ACLD and ACLI knees.
192 ACLI patients (age 35.2 ± 9.6 years, mean ± standard deviation) and 159 ACLD patients (age 34.2 ± 10.3 years) were included. Medial and lateral PTS in ACLD was significantly (P = .00001) higher at 25%, 50%, and 75%. Medial and lateral MS in ACLD was significantly (P = .00001) lower at 25%, 50%, and 75%. There were no significant sex differences for medial or lateral MS in ACLD or ACLI patients (P = .51). The resultant combined medial and lateral slope in ACLD patients was significantly (P = .00001) lower at 25%, 50%, and 75%. There were no significant sex differences in PTS (P = .68), MS (P = .51), or resultant slope (P = .79) CONCLUSIONS: The results of this study strongly suggest that lower meniscal slopes of both the medial and lateral posterior horns are associated with ACL injuries in both males and females. Although the posterior horns reversed the bone PTS to an anterior inclined slope in both ACLD and ACLI patients, both the meniscus slope and the combined resultant slope were significantly lower and more positive at all 6 measured locations in ACLD knees.
III, retrospective cohort study.
测量前交叉韧带完整（ACL）和缺失（ACL）膝关节内侧和外侧半月板后角的斜率及其对整体胫骨后斜率（骨和半月板综合斜率）的贡献。
纳入年龄在 16 至 60 岁之间的半月板完整患者的磁共振成像。在胫骨平台的内侧和外侧边界测量 25%、50%和 75%处的胫骨后骨斜率（PTS）和半月板斜率（MS）。方差分析用于确定 ACLD 和 ACL 膝关节之间以及 ACLD 和 ACL 膝关节之间男女之间的胫骨后斜率差异。
纳入 192 例 ACL 患者（年龄 35.2±9.6 岁，均值±标准差）和 159 例 ACLD 患者（年龄 34.2±10.3 岁）。ACLD 患者的内侧和外侧 PTS 在 25%、50%和 75%处显著更高（P=0.00001）。ACLD 患者的内侧和外侧 MS 在 25%、50%和 75%处显著更低（P=0.00001）。在 ACLD 或 ACL 患者中，内侧或外侧 MS 无明显性别差异（P=0.51）。ACLD 患者的综合内侧和外侧斜率在 25%、50%和 75%处显著更低（P=0.00001）。在 PTS（P=0.68）、MS（P=0.51）或综合斜率（P=0.79）方面，男女之间无明显差异。
本研究结果强烈表明，男性和女性 ACL 损伤与内侧和外侧半月板后角的较低半月板斜率有关。尽管后角在 ACLD 和 ACL 患者中使骨 PTS 反转成前倾斜斜率，但在 ACLD 膝关节的所有 6 个测量位置，半月板斜率和综合结果斜率均显著更低且更呈阳性。
III，回顾性队列研究。
