Abstract

Background: Multiligament knee injury (MLKI) is a rare, complex injury that requires surgical intervention. However, there is a lack of consensus regarding optimal timing, staging, and graft choice for ligament reconstruction. Indications: Delayed, single-stage reconstruction offers the advantage of attaining improved preoperative range of motion and potential healing of extra-articular ligaments and may be necessary in the setting of multitrauma. Technique Description: A hamstring graft was harvested and diagnostic arthroscopy performed. Three posterior portals were made for posterior cruciate ligament (PCL) reconstruction. Femoral and tibial pins were placed for both PCL and anterior cruciate ligament (ACL) tunnels, positions confirmed with fluoroscopy, and tunnels drilled over the pins. The Achilles allograft was shuttled through the femoral and tibial PCL tunnels in anterograde fashion and fixed with a metal interference screw on the femoral side. The hamstring autograft was passed through the ACL tunnels and suspended on the femoral side. Tibial fixation of both grafts was achieved with biocomposite interference. Medial collateral ligament reconstruction was performed through the medial incision from hamstring harvesting. The semitendinosis allograft was passed and fixed with screws and spiked washers. Fluoroscopy confirmed that screw trajectory did not interfere with the ACL or PCL tunnels. Results: Bagherifard et al reported a study of 41 consecutive patients with MLKI who underwent single-stage reconstruction with autograft and/or allograft. Mean postoperative Lysholm and International Knee Documentation Committee (IKDC) scores were 86.9 and 70, respectively, and only 7 patients experienced restricted range of motion. Billieres et al reported a study of 23 patients with MLKIs who underwent single-stage reconstruction with allograft only. Mean postoperative Lysholm and IKDC scores were 77.3 and 67.2, respectively, and 19 patients returned to sport. Goyal et al reported a study of 27 patients with MLKI who underwent single-stage reconstruction greater than 6 weeks after injury. At 2 years, there were significant improvements in Visual Analog Scale, IKDC, and Lysholm scores, and no patients had residual laxity of the knee joint. Discussion/Conclusion: Single-stage reconstruction of MLKIs is an effective intervention that has been supported in literature; however, further studies are necessary to determine optimal surgical timing and graft type. The author(s) attests that consent has been obtained from any patient(s) appearing in this publication. If the individual may be identifiable, the author(s) has included a statement of release or other written form of approval from the patient(s) with this submission for publication.

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