The use of the ligament augmentation and reconstruction system (LARS) for posterior cruciate reconstruction

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Purpose To systematically review and assess the use of the Ligament Advanced Reinforcement System (LARS; Surgical Implants and Devices, Arc-sur-Tille, France) for posterior cruciate ligament (PCL) reconstruction. Methods A search of multiple databases was conducted using the following terms: (LARS[All Fields] AND posterior[All Fields]) OR (LARS[All Fields] AND PCL[All Fields]). The methodologic quality of each article was assessed by use of abridged Downs and Black criteria. Results Fifty-four studies were found from the database search, of which 5 were included in the final review (4 case series and 1 case-control study). One hundred twenty-nine PCL reconstructions with LARS were performed. The mean patient age was 32.2 years, with 89 male and 40 female patients included. The mean follow-up time ranged from 10.5 to 44 months. Lysholm scores improved from a mean of 64.8 preoperatively to 89.8 postoperatively. No patients had International Knee Documentation Committee grade 1 or 2 preoperatively, with 93.0% achieving this postoperatively. Only 1 case of synovitis and 1 case of graft rupture were reported. Conclusions There is little evidence on the effectiveness of PCL reconstructions using LARS ligaments. What data there are show great promise, with short-and medium-term outcome data appearing favorable to autograft reconstruction. Complication rates are encouragingly low. Clinical Relevance LARS has great potential for PCL reconstruction. Further studies are needed regarding the use of LARS ligaments during PCL reconstruction, including longer follow-up periods and investigation into the optimal timing for reconstruction. This may be best achieved by way of a multicenter study. © 2014 by the Arthroscopy Association of North America.




Smith, C., Ajuied, A., Wong, F., Norris, M., Back, D., & Davies, A. (2014). The use of the ligament augmentation and reconstruction system (LARS) for posterior cruciate reconstruction. Arthroscopy - Journal of Arthroscopic and Related Surgery. W.B. Saunders.

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