[Comparative study on posterior cruciate ligament reconstruction with autologous hamstring tendon and LARS artificial ligament in the treatment of KD-Ⅲ-M knee dislocation].

There was no significant difference in the average hospitalization days between the two groups, but the operation time in group A was longerthan that in group B, and the hospitalization cost in group B was higher than that in group A. There was no difference in HSS score and Lysholm score before and follow-up for a certain period of time after operation.