J Korean Orthop Assoc.  2006 Oct;41(5):818-825.

Arthroscopic Reconstruction of the Posterior Cruciate Ligament : Comparison of Tibial Inlay and Tibial Tunnel Techniques

Affiliations
  • 1Department of Orthopaedic Surgery, College of Medicine, Pusan National University, Busan, Korea. jtsuh@pusan.ac.kr

Abstract

PURPOSE
To compare the results of posterior cruciate ligament reconstructions by tibial inlay and tibial tunnel techniques.
MATERIALS AND METHODS
Despite of conservative treatment, all patients (31 cases) had pain and grade 2 or more posterior instability. Posterior drawer test and posterior drawer stress radiography were performed. Clinically, Lysholm knee score and Tegner activity score were evaluated.
RESULTS
In the tibial tunnel group, posterior drawer test demonstrated grade 1 instability in 7 cases, grade 2 in 4 cases, and grade 3 in 1 case at the last follow-up. In the tibial inlay group, there was grade 1 instability in 14 cases and grade 2 in 5 cases. On posterior drawer stress radiography, the mean side-to-side difference in measurement of the tibial tunnel group improved from 12.4 mm preoperatively to 4.0 mm at follow-up, and that of the tibial inlay group improved from 11.8 mm to 2.9 mm. Lysholm knee score and Tegner activity score improved to 86.8 points and 5.83 points, respectively, in the tibial tunnel group, and to 88.2 points and 5.84 points, in the tibial inlay group.
CONCLUSION
PCL reconstruction with the tibial inlay technique tends to maintain better posterior stability, but there is no statistically significant difference between the two techniques. Further study may be required.

Keyword

PCL reconstruction; Tibial inlay technique; Tibial tunnel technique

MeSH Terms

Follow-Up Studies
Humans
Inlays*
Knee
Posterior Cruciate Ligament*
Radiography
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