Arthroscopy: The Journal of Arthroscopic & Related Surgery
Original Article With Video IllustrationArthroscopic Suture Fixation for Avulsion Fractures in the Tibial Attachment of the Posterior Cruciate Ligament
Section snippets
Methods
In this prospective study, we enrolled 36 patients with imaging evidence of PCL avulsion fractures of the tibial attachment who underwent arthroscopy-assisted surgery between January 2004 and August 2008. The inclusion criteria for the study were a displaced PCL tibial avulsion fracture (>3 mm of upward displacement of the bony fragment) with radiographic evidence of bone fragmentation regardless of fragmentation sizes or degree of comminution and posterior knee instability of grade II or
Lysholm Knee Scores
The mean preoperative Lysholm score in the 36 patients was 35 (range, 26 to 55), and the mean postoperative Lysholm score was 95 (range, 80 to 100). Lysholm scores significantly differed between the preoperative evaluation and the final follow-up (P = .023).
Tegner Activity Level
The mean preinjury and preoperative Tegner scores for the 36 patients were 7.4 ± 1.6 (range, 5 to 9) and 3.2 ± 1.5 (range, 2 to 5), respectively. The mean postoperative Tegner score was 7.0 ± 1.8 (range, 5 to 9). The improvement in the
Discussion
The principal findings of our study showed that PCL avulsion fractures are not rare injuries as previously reported in the English-language literature, and the PCL is vulnerable to damage during dashboard injuries and hyperflexion of the knee.16, 17, 18, 19 The rate of motorcycle-related accidents is high in Asia because of the convenience and popularity of motorcycles.3, 4, 5, 7, 9, 10 Meticulous attention to detail on trauma radiographs of the knee is necessary to detect some of the more
Conclusions
Treatment of tibial PCL avulsion fractures by arthroscopic suture fixation is a successful technique to restore tibial avulsion injuries of the PCL with well-documented radiographic healing, good clinical outcomes, and low complication rates.
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The authors report that they have no conflicts of interest in the authorship and publication of this article.