Single-bundle posterior cruciate ligament reconstruction with remnant preservation: lateral versus medial-sided augmentation technique

Objective:  To compare the results of lateral versus medial‐sided augmentation techniques in single‐bundle posterior cruciate ligament (PCL) reconstruction with remnant preservation. Methods:  Forty‐two cases of isolated chronic PCL ruptures were reconstructed in a single‐bundle manner with remnant...

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Bibliographic Details
Published in:Orthopaedic surgery 2009-02, Vol.1 (1), p.66-73
Main Authors: Zhao, Jin-zhong, Huang-Fu, Xiao-qiao, He, Yao-hua, Yang, Xing-guang
Format: Article
Language:English
Subjects:
Arthroscopy
Hamstring tendon
Original
Posterior cruciate ligament
Reconstruction
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Summary:Objective:  To compare the results of lateral versus medial‐sided augmentation techniques in single‐bundle posterior cruciate ligament (PCL) reconstruction with remnant preservation. Methods:  Forty‐two cases of isolated chronic PCL ruptures were reconstructed in a single‐bundle manner with remnant preservation. The patients were randomly separated into two groups: in the medial‐sided augmentation (MSA) group the graft passed through the medial side of the remnant and in the lateral‐sided augmentation (LSA) group it passed through the lateral side. Results:  Nineteen patients in the MSA group and 17 in the LSA group were followed up for a minimum of 2 years. At the final follow‐up, the average side‐to‐side differences in posterior laxity were 1.6 ± 1.2 mm and 1.5 ± 1.3 mm respectively in the MSA and LSA groups. According to the International Knee Documentation Committee (IKDC) scale, patient numbers graded as normal, nearly normal and abnormal were 14 (73.7%), 4 (21.1%), and 1 (5.3%) in the MSA group, and 13 (76.5%), 3 (17.6%), and 1 (5.9%) in the LSA group. The IKDC subjective scores were 93.1 ± 3.8 and 92.6 ± 4.1, the Lysholm scores were 95.0 ± 4.6 and 93.7 ± 4.2, and the Tegner scores were 5.4 ± 0.9 and 5.6 ± 0.7 respectively in the MSA and LSA groups. Statistical analysis showed no significant differences between the MSA and the LSA group regarding all subjective and objective results. Conclusion:  In single‐bundle PCL reconstruction with remnant preservation, similar subjective and objective results can be obtained with MSA and LSA techniques.
ISSN:1757-7853
1757-7861
DOI:10.1111/j.1757-7861.2008.00012.x