Study on the correlation between the tightness of cruciate ligament and meniscus injury based on MRI measurement
Chinese Journal of Clinical Anatomy ›› 2017, Vol. 35 ›› Issue (6) : 628-632.
Study on the correlation between the tightness of cruciate ligament and meniscus injury based on MRI measurement
Objective This study was aimed to explore the correlation between tightness of cruciate ligaments and meniscus injuries anatomically. Methods 260 knee-joint MRI were collected from Southern Medical University, Zhujiang hospital during January 2014 to December 2016. Then, the critical data according to MRI containing a[length of anterior cruciate ligament(ACL)], p [length of posterior cruciate ligament(PCL)], la (attachment distance of ACL) and lp (attachment distance of PCL)were measured to figure out the tightness coefficient R=(a+p)/(la+lp). t-Test and spearman correlation analysis were used to study these samples. Results t-Test presented significant difference between patients with and without meniscus injuries (P<0.05). Spearman correlation analysis showed the relatively strong correlation between R and meniscus injuries in non-osteoarthritis patients (rs=0.620) and weak correlation in osteoarthritis patients (rs=0.313). Conclusion The tightness of cruciate ligaments hasevident impact on the suffering of meniscus injury especially for youth without osteoarthritis. Nevertheless, it is probably not a major determinant resulting in meniscus injury for the elderly with osteoarthritis.
Meniscus injury / Cruciate ligaments / Osteoarthritis / Magnetic resonance imaging
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