Association Between Tibial Plateau Slopes and Anterior Cruciate Ligament Injury: A Meta-analysis

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Abstract

Purpose To investigate the associations of medial tibial plateau slope (MTPS), lateral tibial plateau slope (LTPS), and coronal tibial plateau slope (CTPS) with anterior cruciate ligament (ACL) injury both in the general population and in different gender subgroups. Methods PubMed, Ovid, Embase, and Scopus databases were searched through from inception to August 31, 2016. Observational studies reporting associations of MTPS/LTPS/CTPS with ACL injury were retrieved for analysis. Either a fixed- or random-effects model was used to calculate the overall standardized mean difference (SMD). Reviews, meeting abstracts, cadaver or animal studies, and other studies without disclosing full text were excluded in this study. Results A total of 29 studies were included. Subjects with ACL injury exhibited a significant increase in MTPS (SMD: 0.34 [95% confidence interval (CI): 0.18, 0.49]; P <.0001) and LTPS (SMD: 0.49 [95% CI: 0.30, 0.68]; P <.00001), but not in the CTPS (SMD: 0.09 [95% CI: −0.10, 0.27]; P =.36), compared with controls. Meanwhile, significant differences in MTPS and LTPS were observed in the male subgroup (SMD: 0.41 [95% CI: 0.20, 0.62]; P =.0001 and SMD: 0.55 [95% CI: 0.26, 0.85]; P =.0002, respectively) but not in the female (SMD: 0.31 [95% CI: −0.02, 0.64]; P =.06 and SMD: 0.26 [95% CI: −0.04, 0.56]; P =.09, respectively). Conclusions The present meta-analysis showed that the increases in MTPS and LTPS were overall risk factors of ACL injury. However, these slopes would only be considered as “at risk” for males, but not for females. In addition, it was also proved that CTPS was not a risk factor of ACL injury. Level of Evidence Level III, meta-analysis of Level II and III studies.

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APA

Wang, Y. lun, Yang, T., Zeng, C., Wei, J., Xie, D. xing, Yang, Y. heng, … Lei, G. hua. (2017). Association Between Tibial Plateau Slopes and Anterior Cruciate Ligament Injury: A Meta-analysis. Arthroscopy - Journal of Arthroscopic and Related Surgery, 33(6), 1248-1259.e4. https://doi.org/10.1016/j.arthro.2017.01.015

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